Progress Report on Gust Studies, Contract NOS-82609

              l I. a.._.
ll. Pua-po• ot tbll Iuw•lgtdloa
a n1. Aoidvith• "11d»r ti. ca~
'
'
1. l>.,•Vipid.on ot tbt At. am .._llMrlW »ftllll•'*'
a. -Obt...U.ou act Mdltioal .._.,. Dai&
•• • ..... O'btai-4
.. Gtwt• :111 •.-tablicb.M Air ...... .
b,. Froatal noon.
rf. AUl.7•1• *1:ld Difttdelon
1. Deamvtion et ••ra
a a. Stoa ot Jtq •· 1MJ.
io a. s~ d ft17 i. 1941
ll 4'. latenelt,. va Duration ot ~
12 f. Coaeluaioa1
VI. Propo•d ~giiam ~r 'tile Se•Oltd Period_ Sept.. 1941 to i.taroh~ 18'1
lfi Appontlbt Guat E.;q>eOtaticm and toad lao~
16
lf
19
1.
·~
a.
••
8ugge.W. ~hod tor O.tiu•• 11Wicrtloa
\tea~.,. lileDont.t B.olat.w. to ~itin•
Lift ot lle~t
Llet et Tabl•t
">;
1 ifabl•• I • f
~L1.t ot Ftp.
11gtlt'N I •X'f
Dt.lre Req. 1355 Ti l li~-1
Burn t AERO!IAU!IOI
00 T STUDIES
Appu 1711502 .... Aviation ~. 19'1 (XII)
Purpo•• o Obtain t& on tmoapbet'1o furtbul.eao9
Foll i t report on guat ud.1•• oo"I 1Dg ~ .f1rat six Olltbl
under the • oonti"ao:t.
the in'V8at1.gat1 n prorld tor repnaenta a ooat111 ltion ot that ._..ri ..
out in aooordan with ir1 Co • :roa 1610
( chodul 900'"'3J SDd BO• 58 (.Sobe ula 6 ),, with t.be -.ptl• ·-.
Wh9t"ttae the Ob8el"'Ea'biOna und9r tho pr&Y1.0U ~· AN oattUd, out &~
the :val Air Stat10Ji, Lak~et. ~ .,. J'er•y, tbs pNaont at iff.,..
being tlee.r the Dani l 1m ir•hip lnR.t.tiate. Akron, Ohio.
For details of 1:11• e t"imente.l ~t "t Lakehurn, zr.ethod• o~
azuUysia and the roault t thoae at.ucli.e•• referonc. 1• de to 19pol'U
Jioa. l-0 and le.-461,2.3 ,4 ~6,6,7 • aubndtted under the pN'riou• aon~
fhe pr ent repol"t will referred to a.a Jlo ..
1. Re•
A ai t near Akron, Oldo a leried tor ti. co it:ion or t.h4l gust
inve tigat1on \md.r this contra.ct. Voloci.qo, .,... . and pitch iumwrnt#
e.r 41 atribated on two tonr•. 106 and iii r.- &bow gf'ouad. »1• hollr•
ot reoorde haft been t during thirteen dittorea• eonditloia 1nolu41ag
cold front • thund ratorm and ordinary gusty d a. Sur.re.o. •&that a:n4
uppor air d.a tor the day b&ve also baen 11.-t.4.. From t.ba• reoor4a.
&60 seoond• have b loot.ti to da tor 1nteu..f.ft e.nal.7•1•• ~
KWRt• obaer-.d 1nvol.ved 24. tt;/ "c • in ftlooitT ill 10 •cond• or
$ fMt 4owmr1ttd di•tmo•- • with 17. f:'b/•o ohan• in yuan on•
velocity. 1l:l 4 •oondt or 110 t• t dQlll:JJri.ncl dl.etaxaoe. U4 19.e• With 8. 7
tt/ o ehang in pitch and Yel.'"tica.l veloei ia $ •COJMl• or 170 t.n
downwind di1tan •
A general diacwa ion ol thoda that ahould bit c i4We4 in pWng the
moat 1nf'or.mat1on porubl.e ti. noord• tor d~ng gun 1~1'7
aud anal.yd• of an improv• pro04Miur• tor pntiotlag guau r... wati.r
and air •• data.,.. inoludri. in an •pJ*ldis to thl• n~cwt.
II. fsr.22 .. ot ~ ,x,m.atiat10Jl
Th purpoae or the inw•t1pt1on .. giftll under ti. heading or •s,.oin...­tion1"
1n ti. abOff oottbraet, t.• .. tollont
... , ....
• .M.... le
r.· ~ l.fl1EI. l:f~~ ll.t !'f. lfl'. ~lfJ!E B 1 !lfl~ 11}fl!l1£ ! a.... 'i • !! • ti ;. "' .... i' I! r .. I g 11~t11" 8 - 11 I b • • ~ ~ it .11 liL - 1 ' · tJ .., Ii ~ ~ ~ ii ~ 12" ~- >tr• * r Jit t:";. • ...
8 f 0 •
~
·ct-r'
f '&~111.~i!lJ ; 1 ~r ~a-a1-~~"J'! · . - •1•~· 1•1•1;1-1. t:' >!':$ !! a' °' - -• • i II> • II B l;l !' I • I ;, le !IL ~ Ao ! ~ h :.. J ~. Ill ~ ~ I it
l i ' t p i .i gi I ;. a.z 1 (ti .g tr I " i E : i l f i; ,s. ~ i' f I. I '~.; . '~ 0 ~ r i 5 a t o 1 ~~' tt I 1 I • .t ta a tt • ~ i ! ~ o • t ~ l r 1 i f 1 i (ii
. - -- r1 l r 4! a. r' l -F l !l !-• I '"' .... r .· ii r -a - . . . t
! l 'p~~ odtl l:t!1f-t1l ~i.ff'1 111, ,, r .. 't ,1. .•
1 31 ~a · Ii i1 .. ,;,1a~·:&1 ~ a'r ii tf;1i,1 . r
a ... • ~ iuu •• • 1 « i 4 t .. i ,.. .. i . If l D . •f!N:~fi ~'~~-~!•:&~:!•~ 1;~::~ . Jif:tl~; I
t-·t 't if ii I i 11.i ~l. •. I f. 11 J (&f tif tll . 1 r' !. Jj"· 1 ~!~r'fJ,· ,,,.,,f:,111,11 1 i' •1
111.I'
n. as.ti. ... t-n taa. pet .uia .. t• ~ ~ ._...,~ ei.. ..-. ..
•n or 1.i--.. Old.•. ~ .ftMl ._..., 1...-17 _. tw MM•_...._
oan.lag. WN _.. ...S.1&1lle tor ti. lo..U.oa •f ta. wind luttr•ranu ~
- ~ •t .......... WADe-..
l'ipn 1 1• • pbotograph at 't1iit alw look.lag ••~at 9holdq ti. •
toww• ••• ..t ,..._. uut n...- I tM•nt• a -.r ot th• -,0~• _,
ahowlng the CHU4 .i ... uou wl<thla .,,,.--.-17 I Jd1" ot· the at'1J. 1119
..._ .. ..,. loiCla'tH a• .. 11 lcn011 ..- IOI,_. la 4l_.,. a\lOl3 ntob
the •l•••t.oa l• quiw l.tmtl tw a ..U.• d a la1f' 1111-, idth ,..iatl-. QI·
n.o mon thM IO ;f-' owr that d1ate.•• -.,t a._.-.. tJut ~
~ 1• 11:\ou~ l8 t...t* h10*l tlw Ar• halJ' ati. 1~ I "'· a _. II to
aw, the •l.-tlcm ~,. in._ ... t• ._ .oto ._ ad one-halt ml•••
with a -~ inveaa et •1*1' ·80 ~ 41* B Within f/t ld.ltJ... '.f,. 8W tea
WSW ad. D tu 1. 'tho elna.~ton 4eon_. ~ ~· IO r.R 1-low • tnw
baa Wltbtn I 'to a. d.bfa., :r,.. 1fSlf 1iO •• ~ 7/1 mi.1-. ~ en. ta ...
thtlro 1• a tbarp h11l 11htmt. tile .1 ... ue rt•• NJ1dlJ *"' 11_...1• ........
1/4 mile, Haoh1sag a l*1r due w whieh i• ta,_._~~ iihtt war ba-.~
S~Md woot.t lott With -. • . ha'Ylng • ••- Nd.gt& ot •"*' •nr-A•
teat •baw grmma, c. looatea a~ 'IN'!•• polata ln , •• ..._ _. llltll
re1atlwl7 ~ ._... ln tlMl •~ part,. !ht ol-..t .._. ot 'thl• •JM&•
tioa .,.. ... Ito ft w ot ,. am t.w. ,_. -.. *J7 "11d1q• on .._
ltt ... tholio. la ftpre• ' .....
!be thrM to.u , ....... 1..W4 - 'the ~-· •t • Wl•.gl• Who• kp
an iu tu ~ ot 118 tm ln leagth. Th• Mb -.... rtnnc ISO h.t.
11w1• fl or tlt9 A tn.r aioh, •nglall1 •1.-, t•i Ng-. hat 1*• •••
t.4-ll by a .,..~. 'o pie..t th• t~t• 10$ '"' a.'boft polmd.
The· \hbt4. J. ~. •1cttl1 tft\ bltil\, la 119' ~ -·· -4•1' i4e PNI_.
,......_. M4 1• not.__ ht f'\pN 1.
'fitv• 4 i• • a.toh ehOwlag * fd"nn...-t of - 't~ in~
plaaH1 cm tM ._ t-.i-.. Than iul'UCle & apeiO..,,. ......... ¥1th
11@)lt alwzd.aa ftP•• a hor!Hnw.l 41".-M• (,_) tn--t.•• s ~.i
«1not1• {pi-to) anrwnante •• I t.,...~-. .~.. (!1-• tu'1ft•
mata ue the ._ ODM u.4 1• the pNYiou• ~•)• An -••tatr.- • fi1'0ll
...... 7W ............... t • ., f!lt ~ A. t ... , .. ,. top ., ... ..
tho 11!1/ tt poiat of tile tan -..... AM1t10Jl&l ~ -. al• fa•
ftalW at ._ 181 and 116 ft ~ et the mala hw1r* the o.W01 .ad. ff­COJ"
ding app.,..ind ..... h...a la a lnrt lo_.. U.dft tM '*- ot ti. ISO ft
tow17 ..
!he ~-. .......... $0 ..... to t.D •1...-ate ot • .. 1. 41--.t.
o•eillopaph ,._ wtd.Gh &. c~ l'tJ'Oeft 1• obt&laed • a 11• Wl&t .wtp
ot photograph!.- pa.pv Wbich ._. a tfh.• rate ot .e.1• ,_. ..._.. !bl•
Offil.lo· ~... · l• th• f"s. >. ~ .of•.. Vn!_.,K.. V of f&o}d... .. &·.Di .. .·. l•• to ti. ~l ~- Airahb 'IutttuiU ..,._. tlr# ~al .1rote'••
aw• $h.4trloc .a-~, *° .baa .., lt tor ti.Ir cu-' ---..a, • ..
The ~~ 41lt•J'HOtt ._.._ ilw t1 ft am.t a ft l.Md•-s ...... ._
~"-~ •l••'U _. ~' 1• ~ \IJ' - GI a t..Mw _.
~llloromBMowlvoaalltrip ~~-'th4tl'a't9ota• fW
~.
Aa d4itlcmal .......... and JD.,.,. haw bMn inatali.tt a the top at
tlMt 50 ft towl' on ~- Daniel OuggenMb Airahlp Inni t\lta \>1111.cUqll.
looat.d about .O'l:J9 lld.1• W ot tu Akre .Urport •4 ti. v. S. ._tmr ..._
st.'1.on_. to Obteib -.ddi'ttmsal ~tlQD rd oodin.QOu wJ.n4 ftri.&tlOU. All
Enerllm~ Wla MOOl'ding ,.,,,,~ whleh NGONe oa a .wtp ot ,.,_
moving If•• pw hour. 1• •be did with the:•~ ..,,. •• ot
s/t• ,. .. mimtte ~ • taan trt ~1 •1-• with th!• ....._. u ...._...._
t. Ob...,.U.ona and .lttd!.tio:nal Weathlttt Da1*
The 1UWUID$ft'U .. noelwct ~ ~- • ..._ •• lMl. nqu1N4
ms.nor repali-• u4 oallbrat1oa1 .na on. pitoh 'ftM ha4 to \Mt llu.U'\. ftMa
inetall&idon ot -. i~t• eltc1 oontrol •quls-a M ~ ••aw -.
eompletH bJ Uq ao. al~ ta .._,.,. .... •l••._ ._.. eot U..11"
until *7 11. S\lb•~ ftPdr• on th4t oMillocnJb ..,.,. IMtb\g -•••
1 ...... nquj.n4 -· tU .etatia -· lnopt.l"ati- .trr. .tune a to , .. 1&.
A combinat1ea hail aa4 th_._•tom l•te ln JulJ' 4.-pa tt. -.a • ti. 1&l
an4 IA ft t.vel& and ~d out the p.w.,... •1U1&t •fl thi• i.tttr i..lt
ala.. llepair• to tht oupe are *• dunng t• pe1!'1od or Augun to to
August 21 and tt. J&W ·v.,,. was repdnd by Augut IT.
Pu · tc> the h.te dt.t. ot ocmpl•Ung ti. hl•ta.Uatlon a.cl tn. earl7 arriwl ot
1IU'1l1 ... ti.r tbl• ,.u. the tprlng t:ront-• ad ..-,... ._.. owr bt the U.
nco.Ha could be obtaib#d. However, al'Knlt 9 hour• ol naaria. taken_...
vviou eondi tiona ot •uarier .gu.ethfu11. during thit peri.Od ot V., II to
Aupn H, 1110 •• _. liet.4 b table l. .
Th• aurt•oe wa'ther di.it& and upper Ur ob98.ratient extat1ng a the tu. ot
the vartoua gut roool'dhlp. obtd.Md through the oowte., ot • a. ~ lbld.a•
lent OffloUl in Charg•. v. s •. Weather lhln-au Station at Aki'•. Ohlo. haw
beoa swmnaria94 in fa.blff II ant llt~ !he-IO eurta. oondlti.ont 1nol.U. ta•
tonaation 011 P"•*'"·• ~tuN. elo\\di•u. *·• np~ 'b7 ~ AltNa
Weather Station, locdtd about ti' mile• S u• W fr<n tM t09ra. Wld..1• $•
data are ot 1itti. use 'b1 th.emaelw• ln twM&Q_bg guftineaa, tbe7 -...ict
tie in with 1m other neteorologioal futon ln 'the t1-1 an•J¥d•·
Tho uppw ai_tt 46~ oona1n ot Pilot Balloon 11._. (PS.bala). Wioaoad.H (IM••)
am air ma.11 an&l7•••· The Pl'ball taken &t about 04, 10. 11 ud et 1..1.f.
gi-ve the ..,.,.1t.t1on ot the wloeity aad dlnotloa •t win4 with al:tl~. •
el.,...tion ~cl 4.,_,b1g upon a'b111ty to to11ow the Wloon due to alowte
or di•~•· Ti. Akron Weather B\U'ea\\ tad••• ob....-..ttona at aohi94\li.d
tlm and SG lt 1• potd.blo to get td.rlJ •t1.te.otQJT upper a1r wtll.4 c!&ta
mating •t the tlm• ot the gu..t r.oordinp....,. t-or ••-1 oo.U.tt.ou
auoh a• trenW.l ,.... .. or thuntteretonaa.
The Raob• give the 'Variation or the -.ntun. pl'aeaw• and ftt.r oon-..
ot the air-. to aoud 10,000 •-tu'• .. making po••lbl• ti. d•l"IGl.nattoa ot
th& pO'tential ~ratur• aod ~-.lent poWutlal i..-re.~ ot ti. ..W­••••
at var1oua n..p. e.boY• ~ geua4.. 'f'M.• de.• w• tU•n •'ta fflll
· i.oted point. at about 01 and. 11 B. s. f. -4 ~ aftil&bl• cm. the t.~
about 6 hour• lt\tff. Vatortunately * the n.ean.t of th ... etat1ona .,... d
JcU.•t, lll1no1• (590 rd.1•• Wt• B), B\ctt.lo, li. Y. (160 lid.lea I' f.1• B)
altho~gh llet--rtl!t., lliebi.po (UO ml 1t• W) ~a Dayton, Ohio (1 7 d. 8 W 11')
bQ-q l-.on roporti.ttg :ftaoba ao · aio•ll7 durins the ~ tn w~ta. Although
the Joliet and Jtlffalo ob....,,atioae QaD; bo uae4.. 1-t i• ~that the n.trott
and Dayton •b~tJ.sa boo~ regula:rlf cVAJ.labl.e~ Caro haa·.~o }fj tUa U.•
the atation .h~ n• the ~ 61.r _.,, o._,. it: e.t thf> time o~'b aa 1•
pr.•nt ov•r ~on at tbo time or the pat. "oording. ·
A!Q.F!s, giving ~ air au am ~ ual:rll• ....,. t• VnltM. ._. at
07tZO and 19dO de.117:1 an -.'ftJltlbl-. on tho t-1.tf'tt.pe at about 12 •• ti 1 .. 1.T.
tram Wub!~~ ». c~ lfuh1nft01l al•• le-..•• -.thw IJit.p oonta!.ld.~ '1\1.•
$&mO i.nt"onnatios Q tJt 01•30 4a1lJ'. Froa the• .,.., •• l't 1• pouibl• to
oM:ain d.a.ta t\bo;ut the We ot d.r _... Pl9•nt dur~ a ftoN.
I. RCJCO?'dl Obt.s.•4
e.. nuste in ••blieb#d e.ir maaaa
Gust re-~oJ"do l1&td. in !able I 1*.»lua three thunderat.l"'Jna putiing Mm"~
~t1on, Ju.~ 1. Au~d 16 •4 !Ucguat Ht al•• 91~ ...-e ot gwsey '\riJld• _.
1stlug 1n mild wiad. veloeltl•·•· reooHl:d Jlq a2. e&.;t mad as. d\&110 ' ua 8
and August 18 ..
b .. V.ontal heO~
Seetiona ot two ~ntal thundel"trbol't'18.1 Juli' l.B &ad A•~ U, were reoorM
w.td a by h'oatal paaage na .. corded on Atlpat IS. In All. 1. total •f
a1>proximat:el.7 !-8/8 hOUFs r:>t .-~a ere a~lahle from tti.e pa•--•· 49
,.,t no .n J;ya1e baa l>'•n ade tor 1't'tld)'ing ~ 1ntorenin& p~on• ,ot h•
J"&OOrda.
1.. De~1p~10tl ot hcor4-
Four :30otioiu• at r&00rd• totaliag $JIO •••fit• h~n 1'ee11 nl•oted. to da•,
u oldlthi ting ni•tl,...11' ••'"-" pat# b all thn. ecmpone.U. a;,.aring. •t
b~th tonr-a. fbrM Jaaw be.ea telAtctel ha lllm:t 018 end 018, taltn JUM u.
ad ·0U t~ a.. 028tamJtaf1. 19'1. ti. nool'dlngt ba"9 b"a ..._..,...,..
Urbo veloe!ty• pi~ and Javt val8C., buld upw ou-aeotJ.41~• u •lDl•
•1- pnied!.Oitif and.la.got t.b.e il'l~a't•., dd are pl~! :!11 15.Pft'• Y •
VIII 1a tbi• report§ ~ plea -. dmtlal'" •o the on.:• ~ tn tht
prev1ou reports. n. 4"1pa.Uons uMd ere a• toll.on•
Va• w1oo11;J' la t'e•~ Pf!" aeoona
Yfm •~-or wind d1notton ~ ~· s sd.aute 1lwt"&l4J tdnd
· titreot4on. Poa1tiw value• illd1•~1ng 4evta.tton.• to the !lotth
P'm • pit.-oh al t1W w'...nd with~'° the I td.ttuto aver.ge tt1n4
pltoh. 1od"1"11t ftl~• owrespon«la~ to ~ ~n.eaU
sai•a1s1e ~tr · ......... ,..... ,,..........,._,.............., .·. ' .. ~ e e e ~ ~ c clrl~•tl ~~~ ~
II. l .... I ed. !' .. SI I tlf-·. !it' •(_"· f • ~ft! . . • 14.- ' . CA r • ,.; i · I . t:: •- , t!a. s .. . •••.<_• ... 1 : o s. N ~- . .... d • . · !~ I~ ; ~ r I ls!1f ! 9jf s~'ll ~ ~ ~ ~ : !f t t ~
'I 11
• ,.. 1 1 lr1••i:f :.~1 ' l I ~ 1 Ii :s : 1
l.·t lf il ; ¥.1 .. i;•! ·!·g't(. :.. ~: i . ' ~ Jl •.· · I 1.·
l I !l I it ' · . f ( § .... · ' ' ' • ~. .5 • • • f ~ .• . It~ ~ :I ... ,1~(. r s ·~ .... 't !i..t a• ' . ·"1' fl ,. , . I i'fti'ti •fi ... ~ :1 ~i I .u ! '~ :~ Ji f i ~[!i•I! .,, : : : I ! i; ~ ! : t
• I ·. · · .. 0 .· • JI»' • .. " • "' ll • I •! ! ' 1 . i ; i ~. l · ~- i 9 i S .. . ·.t . . .- 1 Al I t 1-1!1f&t ~1- .· i - • - ~I· . • , .(,..· ' &:·. gf·t• ~. · .... r ·. ' r ! ~ · · II r 1,.- 111 · e. ., tt 1 1 ; °-' l -. .. . ..... ! . .. i ~ . .... • - <!II ..
• .. I
rt 0 'I
lllJ ~ • , .
- f .,
i. ' f- I l,fi ~l.iif !..... i ! i ! • ~!. ,,. ,_o j " • • . . .... ..
•• •tt · I •
;Ie ••l
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~r ~e:- i~1 1riI1 ~ 1~ a-!;j! - - - ~ - ~ ~ ! 8 ~~- t: . i ~ -. ! ~ ~ ~ . = = ~ ~ ~ = s; ;
~• t'B~f ''l · rl - - - - - - - - - - - - - ii ff
II' ii.ct• f · '~ r:t 'CYts- i .. ..., 00 !' lttt # tt f i r ~ li f i i . ~ a ta 0 ....... , - "-" f Ii !.t •r I • I 9 l I).~ ~ p ' j • • I i •. ~ • =- t- · -.o •tt: s 1. ,. ;i~
- Q" 1 i tt : =- ... , ti; .. ar s a" "' ;: I · · · ' · · ~ 1 1 1 -= ~• •:· , ... a 1 s 1 i ' • Is - < • - • .t::. I 11
a~ ~s ' • r ( r ~ t • i' a g • r f • 4''i- .f ! •I 11 J : :.( "i ~ i I . 8 0 f ti ~t l. ,· ~.t ~ .• I e. = ·. ·1 .t.
.. ~ '4 • ~ I f i ; i e. If ii a 1 if !r ~ -- - • * It "' • - • · sr 1~,,. i.. rs r;J · rf J lt ... j!e a .,. . - -r- 1'llt f .- f
i I 'ii.. ! l' f .. & I -;l 'tt ! ~: i I f i t f ! : J • " ! •
rf :e11~1 l I! tillf ft! l:i : f i 1! J I 1 j ' &i 1.~ dr··~Qq ~ f• flt -rn ' t •1 ~ a t t ~' fi o ~1- ... J.I l l!.t I ttl !'l>f f.: !_ i Ii
If §ff. it,•. .... l .• ~.~ . !! It . ~--,-. ' 1 I I -.. ,-•.
I ..... i I i fr.& ' ~ il • r ' ' I . ls4 ~
r •...·.
rl
ii •
I
I
.e-
•1 ~Ainhlp laftlt•
Akltoa. Olllo
queatiou.ble 4• to tJ:llt natural "Mriati.on or wlocity w.lth height ..
turthennOJ"• the prows ot aver g!Dg ncl · • tbJ ill'teMlty t the gun 1-1-
that Yalu• tbet oould poaet'bly produce the mutmum loaM~. Bwn 'the Gib•
•l"Ved lftP1mm lue mq not npn:ft21t th.e JnOat exti-. • .. the po1a11 of'
ob•na.tlon mlgh~ not be at the oat int.en• teotio. ot the •. n.ir.ton1
where • •an eha.n •• ueed pr•vlo •1¥• eaot ftlu.• ol -14•
ohtmot•• •• ob1erwc! at eaeh nati•• •ball be u•d 1n p1ot~1ng
lnten•ity m ~· re rt ..
8. Storm of ~ 28 t 1941
A~ Ol ~o ot U.7 2• e. high pnalRll'e area •• oatAMcl °"' 1-. Whioh __..
to tho Atlanti.o Ooeaa ot :vestOJl 46 bl-a; ..,_ 1t J'-.1ned atattoa­U7
tor •ftt"&l. ctqa. A. lw pne..,.. ....... ~ ·owr nonheta Ift.bo oa
ti. ._day end mo:vM .u-..d to South Dakota by 1130 of "-7 I ad to
Jla.im by l t&O or 19. Durtn thi• ~ 'tiime Obio •• '1114a~ tM bltlu•
ea ot the high proe•wn -.a. A ocld front o~ H*J' n . ou 1n & -.. ot
cold oPk ir ~the nntha.t, bU.t the ~17 nadi• •t tl!Afht.£11 ,.._.._..
ana 'brought ._,. motn · air trom tbe Gulf whleh •• iroulate4 ·~·
~ •t n.thel' high l••l• ever ti. Gn.t Lake•• A U• o~ 0<>14.w oP air
appnaobing trca the •n with th• low ~ _._. tpnd OYV ta. ~
Great talc•• on May 27 a.nd ~ 28 and ft\mg .OU.thnl-d 'to OOY\W Oblo dw.-iag
29.. A• a r.wl't ot th9 _,.. aoiat air aloft and. the colar aiio uxutw­eutt1ng
itt •VW&l •oe.ttered thunder•tol".m• OOOUFNd C"'9r th(l Great~·
region during.,. 17 and U..7 18 1rith rt.th&t' ~ tdr ... ta.:r at am,..,.
Akron. liown•I'. then .. . rather gwrtr !tltb.wft w1 or appro •17
18 lea r hov blowiag dwing the daya of , 21 and a.
8.xuitnation ot the• recon• led to tb$ •l•ct:lon ol nets.OM totuing
160 uoond:•, h two l"\m9 ot the nor. ot Mq ta t. guat ~al-. h•
are plotted ia figure• V. VI. II• with lllti'dctual guilt data tabulated 1a
fable IV ~ v.
ltsf'erece ia mMle to ftgmre V • wt.n an intor.lltirig guet •• noted at all
ano~•· !h• gr.ai;e.-t chugt ..- noted .. ~ ~ %'11 ft lM•l 1"ht".8 the
ruoolty inc~ ..... ft/Me in ta ••D4• by "1llO •ooedtw ..... .tt.r
whioh iibe wloc!t.1 remained "lat1wl7 co nent. A~ the 191 ft 1-W:l, the
preenoe of tbJ t. •uooeedw ~· 1• quite ...S.4ent •• ~y an hnbtr
e.part... Eaot,ly what 1-ppeMd at St.ti• A 1• uot too alua-. Jlow'tW • • 4•
have ev14eDM that ~ •pante guata . eaf.ft. and. ~ atria. •1-J.~
g1v1:ng .toabla e.oottletat!.o:na. Ma ~we •the •an gun a ntM•
que#tl<mab1- e.th!r. ()the)' in.tue•tng guf'h .,. now. but; ·~- ta
eQ4loial17 eall-4 to tho impac ~. u a-t • 19 .-n the wlooltJ'
chabp4 12 tt/• la ou tlHOlMl. a.a T".t. u • 8...,. the GJ'O•• wloo1f;J'
chAUgH 10. 7 ro/ •• n ~- )Wfbg maglA obaa~ It- 1ll t.o ..... •
followd by a l'M\lf'A wJ.thtn 6 MOonda to the origlb&l ..Sl.Uon to 'be agah
tollowd b7 a ebQp ~ 10.9 tt/ea Md W h\ S •oond•...._. d 011e--1t
..... ot approd.m&~ n• upllwu 1D u ~· or IOI ft dOlfnW1U ..,..._
'tion. Attentlon i ·• .turthw 0t1lled w the PA ~ at 11 • ft •4 ft 111 d
t • 46. A hCN•• 1n .,.._ and orot• eloo1q oa .....,.4 at botA ·•
1t1on• • nt the 'b-l!'111:l't ot the gun bl it the A toar • t.. '"°'141 att.r tlMt U
v•loatt1Nacohff1t1 pok. A chaa• or 17.t tt/llff ands•• ill -.ro•• w1oolv
1'>art!•l ~S.. AJ.ntdp I ntt\IW
Akroa.. Ohio
and y. n ~,..1 1n & s nds or 110 rt own.wind d · ti • the •ff! ot
of gro d handling ~ a ah1p wlth such et would be a real pn>bla. w _,
nothing or 'the loadt.n.g · ftn •bo\lld hob• guet ht't i't at. an 1~
t in mnowwr1ng. Th pi:tch and vert10tll velootty ~...-.~one pn
ot intenn whtoh o• noted as a "htlmp" on l>oth the· 191 ma ISi ft c_..a.
:ttent1on 18 ea ially Galled to 'tbt d9CNUiJ'lg •G'blon of the IS! ft gu9t
at t • &l when a oh•p of 11. ft/• encl 29- in. .....nt•l wl.o t,. ..a pf.ta
reapeotivel7 in & Meond.• of' 170 ft dnmdnd dufttion, ob ld ~ •
very sewr• p in wrt1oal tol'••·
.. lm1•i'latit.m or the reOOl'U for Run 01a, 11.g .. VI .m II a1'olr othw ~
which &N 11at.4 in fabl.- IV and V.. Att.ontlon 1 • oall-' to t:ht 1~ poln'
(}Xl tbe f'197 tl"B.oe at t • i tor Fig. VII. A eban ot 10. ftf•o encl W la
er••• velocity a1'd ,,_, n_~oti,..ly. ta1t9 pl.a• wJ.itbin ne HOODd pro«uoiJt&
nae leratian ot 10.30 ~.o• in orosa lool'ty.. ~ntion i• •lao .a11-4
to the pitch and vertical volocity eurve• ta ti. 181 tt .t.t1on • thlil -
. .t1tu"• TM• gul't bu 80inf) 1nd1oe.~ or i&P"1'1n.g •t ti. other ~ ..Uoaa
al•o but 11:3 aft•~ at ti.. top or the n tower i& n qp to
• ha' •'ftdenoo ot dou'bl gt.lfJ't •U•itlS • obage ot tt.1• Pt1*h ud 11.1
ft/•ea -.rtioal wloolt)r in a aoond• with a ve17 u.r, a fltont• pro'*bi,
the lint gust. •nd a •eo?ld gullt front 4· •~• i.-.. ~\«Mand point et
!~et itt tho pitoh ~• i• at P'A d t • 59 wbitft a. olian ot 1~.t• au4
1.8 tt/tteo tek•• pla• in 2 aecon4 aau•ing a "1tri1oal •ooel ntiaa ot 1.9
rt/ o•.
The this dora 1-• eshi ited evidena. ot llOJlct nther "" uat lnwaat-1••
vbioh f.ll"e comparable to. it not as groat • th& mcwe H'V9.t"e guat• ollcwv•d
previously.. !he luH cf lapse rate, ({ . 4\t th& toftl' ·~•d l'tom. o.sa
-0.&6 tor the ee.rloe ot N!Ult with •l• of +0.47 • +o.06 tad .o.14 N't.o1;1w
durlug · ge. V, VJ and VII, n.,.\ftiYely. Yhu ~ loot.l oond11dou 1JM.l1.­lta'bl
air. with ftl •• ~ng trom l••• than ad!abati ( -l. oo) into inwr•
eioa. .,_,ver • thia la • Te'f7 loe.l rfltta~ and aa ,_t thE'ire t• inaut•
.tioi•ld'; 4 - to make Nl7 CODClUAOU J'ogeriing; ti. looal lap• rate a• nta­ted
to guatt•••• aJ.1;h.O\tgh OM ahoulcl open 11"1- gutt.m.• •1- iimdt•i•
conditie>d •:dst. Poedbly the guetineac would haw e'hl!l m: --... lt
the local <temperatun padlent had be.n mo:i-. _, :ti•,. i .. •. 1: • greAtd lap119
ra • ~na:tion into the ltaob a.ta ahowa tllat th& pot.ti.al temperat &\
Buffalo t.t the 'tiu et oul" l'•adinga •• 306.0 at 2000 ElfR•n.. ti. __.,._
poten~al ~tllN at the Alt.ron w..ther ~" •• $06.1 aad •~ htr.lo
•• 291 .. 8. hrth• iaftat1gation of the Re.ob shoa tb8 'air to bl CJOU'fff ...
Uvel1 un.-table up to ii500 meten ---~ to'° th& 400~ -.~ lqor wbe.N
it hu aome in41oatioD ot 1-1ng stable. Aboft 4600 a 1t 1• el• ~i.. la
a pff'rloua reportG • art.eon ot th• value• t>t a •• . or V&Tio a gu
daytt 1n Whioh the 200•%000 a le.pr ft& Ct>nai4w-4. Si_,. thoM ob .. V&ti.U
•re m&Cle at Lak•hunt. wlth an •lMMtian or 21 • abo• •• 1"111. u4 tbe
pre nt d&t.a v. talam at !a.l dp,MO • &ho.ft 1e l..,..1.,. the ba.eio l•-1
ahould bo lilted to 500 to. ovo~ aw-ta• di~nttnlliti••· lth thit 1a
mind,, t>b~ •• o. ao-/100 Ill fOJ' 5004000 Ja _, o.. I tor 5004000 m
l.,..r • "41.....- 1n th1 • pr•rlou. repo:rt 1 t we.t lfb.t.d ~hat it a wen 1.eu
than 0.30°/100 Ht tor 00•1000 ad 0.36•/tOO bl fc>;r 800.QQOO lilt _...N fte
oould be szpftoted ..
Xn ~ report1. i~ -. •hOWI! that •wa .-. ooldd 1- ••.._. tt
k < a.u • io-1°,,..a/J
aD4 ratbW -.t pna ..U 'be ~ it
k 7 1.11 s ia-i
and
•• pothtlal ...... " gndi.a bet••• 200 .. JQOO •
i.wi. ta •/100 •'9rf. . .
Va•._... w1M ,,.looltr t'r'ta ball~ l"un 1--t:msa the 200 1114
~ 1800-IOOO • htwla
Ae be.ton., ohaag:lng ta. balio a•l of IOO to 600 _.._... _, 'ftldag ti.
bdloou l"t2ll data tr. SM •o toll ••td-•• • get
Jc ...... x 10-I tor the 10 All p11*1
tc • 1,.11 a io..& t. ttt. ' N plw.l
!ho .. "1'61-• •gala~ ti. pn¥t-... oonoludon ~ .. .,.,.. gu.-. OOllW 1*
•• otM.
a. stora of July 1. 19'1
We.rm moin at all" hH 1-u pn'fltlat owr the ...._ JW' ot the ,~
tor ~ put tw cl.-p 'With a - ot aoolv elk: Id~ OCJldng fr• ti. _..
11'1th thfJ cold ~ loeat.4 •loaa a lia• tn. Ku•• c1.,, to Z.Cne•.-
Wlao. to Boughten. Boll. ct; ~ U- ot iM NOOH at Air-. ~
tor tbe Gnat 1..-. Mg1a WM pndlot.N and tldtt ,,._,.. w tat• At. 01 All
with ta _,.otats.oa that tlW tmm4.n~ nuld pau ..,.,. thl ataloa.
Aotuall.J' 1• J&•* .._...i milu north M Mithw 01-w.lud JtOr lr.1• N;putH
the ·-thue.
u..wr~ • pwiod ~ , .. , •.t 1'bla .t • •lod.i;F ot about 18 m.tl• ,_
hour -. ape•1•Jlad dlr.lng au run.. A ...Uon. ot 90 -~ ~ W• i--.
hu ~- p1ottd in i'ipre VIII aa4 ~ tor gQtilw•S. A wloel~
in...- gu•t ..,. oU.i-t.S a1s all .-Uou. with tJle .-•n ..-ltntla
a't the 111 ft tltaU.on -.... at t • "• 'Wll wloolfs7 ~ 11.1 ft/ ..
s.a & _,_.. or 1a 10I ft ~. n. \ft.M tor h 114 ft i.w1 lndl•tea
a double p.t wt.th a borM• or ?.G ft/•o dvbg t • 11-41 61'.ld a •­~
of e. 7 tt/flM 4WUlg t • 41,,,.f. ii. ouUtmrdt11g ohdglW in _.. ••
wleolV oo~ M t • U a the A ~ whloh ... Pl'O'b&bl7 aeolaW with
a a!.14lu guat a.t the 197' ft lnal. A. ....,. or a.4 'ft/tM .u ao• troA
wloo1'7 -4 .,... N~wl.7. toCilt ple.oe la I •ooad• at th• A'-..._....._
tion.1 'llbioh 1• a obaattt o~ al.mod 1• ,., lllOOD4 w a.a ft/• .. la tJn• M•
oelofttlon. two outate:bdhg p1~oh gua\s __.,.4 a't tJw A .._ d " • trt
--. a obup ot 10~1• and t.a tt/ ... ,... 1.lOWa on. ....... .a.i.. at
the IU ft att.t1e, t • 11• a ~ flt 10- -.a t.a ft/- 1a pita Ul4 ._, ..
Uoal wloc1'7 ~ note4 in two 8001141.
f'ltt•!iffi J!!ll i~ £lj 1 ~~ r;'l!i r iii .l~c:111ir;~ a(::fg i~.~:lif i!1. I~ f ir~. !f l ilJ~llf! ,,~ 'P· Si8 J. :~t .. -,1rc1i;t ..... • f 1~ctte.t" I. "1cra= s ES 1 1
. ._..af!. ct - . ral~ ~ ·. :: ~ · . . , .. s-0 . • . •( it o.:;r • w ..... r e· I~' r I i a~. ~ :' r I If~;!! c I : i 1 ~ ! i ! ; • ; ; I ~:. i .
l 11 ! 0 't I f ~ .. I It. h ... i i ... 1 5 [ lt I jl • ~ I . s => t ! t: it. . .-..a .
. . • " : • I ~ d' ~~ ~ I • 6 tt?. n • & ~ .S . la 6 i C;l .. f ,_, f !
~1~~11•. rfii St!li;ls. !1':i !•!.al I l~l lei~ w;tfi~i t
-~~. a_g s:~a~.~~ •!~l. !•i lJ ~ : ~f~t~=~ 1
_ ~~;i : ~:.=*'jt 1!,•11& 81 .s:-..q ! · .a~ :J! li ~ l ~If~ n.c - [
"• oG'f 1 · l~ . 'l'f• ... . 1 t:"'lt "' .. ~ 1·r1 l~!~:r('i;! •.::. irlr•.1il ;;~t 'I; '· s ~ ~!i~;J} r .. ..;1 rr;tr tt[itlf! .. . ir( i1l1 if • l'r' 1: ·
•1nu·ir~l1~r l~~l~i~!f,t,, 111-1 !~ l . l~~llst! !j
li~·•1:1~~ ~:i'~t'ir':t ;~It if i 1'lli'I I Ii ... 1 11ta 'i'f i* -•~ _ f _ 1 .,f ._ 1:... .. • 5.t:. I!. i
..it-theil'
.°"' dldatien; bl1't there i• the eo•ibili:~· ot produoing • ..., ......
Gt t.ht fin or the tthlp ~ -U. naot. -- of h&"ri.hg tJw. guat atrl.b &\
en 1no . ort\ltW tim9. SherlocJ.O nl"IOri* a oaa of a••left'tia ot II cl.ff
per ho in 11 ~· .. 21.9 tt/•eD 1n a. 110 ..
Moth.or ti ot aoo.lefttion cure waa pre..,t.M 'in i. &.,.17 met i•
prod~ i.. il1 Ptgin xv. wi"th the ditto.al uw ~· boa tu1 .. lY
c\t v. 1n thi• oa• t-i. -1• ot _.. •• aooelentlon. ~ ./ A t. 00ITNPM4bg
to ..s. .. ~· ta oro.• ftlooltr !a ti"fiMd bf the &"*ftp wloolt,- ...
'beOOJN• fl. "f/i A 15 • A Y/ A a\f al~ in 01'081 •loci"7 pW wd ~ ct1a-
1*toe, gl'riag a uanre ot g\l• ...,_.... BJ' plotM.ag '1t1• &pian b
oro•e Y9loeit7 chailge ia..ol-4. u _,.,.lop wa ho ~ ...,...-atlng tb ....
aevera ftl•• to be _,.ot.d.. ltl.ed.•ti.oa d_ &. awl.op and thtt polata la•
dio w that the product ~ (AV)• -.a A v/ A ............ baa1• of OOllpU"iag
tho h.11*9;:.,°' the guna, the envelop bting 4rw t-Ol" • proawrt m• .t
101.8 rt•/ · . A ~ ot 'thl• taftW tor tilt 41.fJ"aat pate llst'Ad la
:fe.bl•a lV an4 V •h_.. that the two hi~#t •lue• ~ •re 61 .. i 1'l
Run 018 ftlld 14.0 in Bam 018 whioh -11 bel4W th9 a.dopt.4 envelop.
V. Oaolud.ou
!ho PH-it repOl'"ti gi"'" au aooo.S ot t:he p~ inw.~tiou -.nt'4.
on. d~ 'h laft •1x montha m1.r .Attroa, Ohio~ a nes contract. The
aiw '~ int~.at Wfta.plMrlt _.. «•..-11-4 1n Fi,c-.. l •IV.
About~ ho~• flt noora ol>Wned d\Wing ....nou k:lnda ot . : r gunt•
ne'ff and t7•1*1 ~ he.ve 'been li.ated la fable 1... TM awt.- _,
uppeit &U- ... thor •l••t• •xi•tinc at tM tiM are lifted 1n fabl•• II ad
III ...
to data* tour ee<Jbicmt totaling HO-~ ttfb two atonu haw b4lOD •lfftM
o. l"epl"Q-tati w -of mon __,.. CU-~•• e.n4 AN plottff in '1p. V • VIII.
Pel1i1nm dat& on thrJ gnat• _. liad in tab1-• XV .a V" ._ moat ~­eri
teria ot ~V belagt
} M~um ohaa• o.~ng durbg ~pet U oapand 1ilth ctoma•
wind $nd oro•awbd ~ete.ce
b) Aoeole-&'tiant ao~flg the ~-- ottaaa-e
o) Cro•a wloolv ehtmp T• on•• -1oo1tJ' ohaup pw 1811t 4owm1a4
.is.mm•
fh$ ta.ottn"• ~v.a -. graphlcall.1 pnant.a b 11ga. n ... xv •be'$ ~
new gust a_-.ta haw btm t.dded to tbt 1nt - tloa o'btt.iMd under pre'ri.oua
oontnota. A tw lhon timo guet.t dhtb:1ting aecel$ratlona of' 10.1 Ul4
12.0 tt/•o!' in .. •eon4 .,,. now.
The follo~ pro~ for tho nut aix •ontha ot •otrl"lit7 und~ tho omei..-
ia pl'Op()fJed t .
h.at.111 ~Ja Ab'thlp lut4wta
.Ak't'oa. Old.•
1} Contimati.• ot 'tM ~ or Obtal•11\! • lv.p • ..._. ot ·n ,ooroa .._
.. ..rt.-,. of .... ther. Oftft.id••· ••etdl7 tlwi:og th9 ...... ·"' fl'oJlt ..
I) AtalJd• ot ta. nooru *1.tae ~ ~ U.. u•4 ta thia .....,..
I) Deta11iJd •:rawd.llation ot uppw w ooadit40M ·~ -.~ 1iM '* et
·et°"'* to ·•btain J.WV»r oheolc• OD~-. of \b9 tuter k .- • OJ'll••
lcm tar gu~•••·
•) A •bon tlB ual.7.S.a 4l ~ o~ •'IUage ,pl-ti_.• ~W. 111th
upper &U ad ~ -.-- 4ua d tU . .....a a 91- ..,,...,., '°
imt_..·the tne 0£ nelta tha.-t ewli 1- ...-a fr• tn11·..,.......
5) Atl.alph ot a tw noant• t• u..i.r.U•• · .... ·Olll.7 ... ~ 1•
ti. ~u. to 1114.lcatt the 10'••Wlit1n ot thl.'t ~
P. Q. Bua ·
Sept.• 1Nl
. .:1
. .
14
qun !m·e!e~• · ·• he!!! ~
!be a.,i.trl wtot'1 ot gutti!WH iaolwa.• 1-~ urweW phUta llbt.a
u. (1) the indiotion ot guati_.. to 1- -.-.a. ,,,_ kllom ._.... .....
42.ties ..._ (I) tM 10&4 tacstoFa to 1- dallllld b:ir &\IN '1tat oaa t. a­peo:
ted a tM hui• ot .._ »"·--' cu• ~1'7 o'b..,tat4oU. AMl1'd•
ot the• ,-... i.. i.a to ........ prope wh10h o•b!.8• ti. PN-.,\
Mt ot fP9' 1t.m.lt1p.'tlcm. 1'1.th *4.U.tlo-1-4lft0&ttouto1.-4 to b­cktdm
__.•.
1. Suggea.4 )idhoj ffW ~ ~
!h9 gellUd b&Ao tlwon.•• ot ~lenoe 1Ml.- tan gun.t••• 1• oa.po_.
ot ~ aia ~·· ~1 a t.1"1onal •44"•., 1ibua _, 9'bod. or p"'1ft-
1QS gunt.•• lhould .,..,~ ta inolw11J both ot tM• .._.... ti. tMtor Ir
tntroAUN bl-~ a. -. -. ato uooua tM ~ att• ~
• air wa i..- ,..._~ •· ..,... 1:lbl 'tal• ot la ._. i.w . .-. ni.tt-. "° '19 ttt.uon.i Ud7 oonrtiti• ot-.-.. pm-. tblnal •.t"°'" u w
ti. laf• rr&cte ,....,. 1n ._ ngt.on ..-.c1. '11 t.hl• wltui.on l• t. M
~'*"• tha •luM ot k &ou14 1M a.-. _•lo9lf' _nl~ t.C) tilt •• d
~·· ,,.aat. t.•• 11 the OUl'W ng •• qf ..,.. .. • glY!ag ti. ft1-•
tl ·• pftine .. • f(t:). -.UJ4 • twtber ..... loplt. lid.• tunotl• ...U '4a
or htean but 1ta paotl•l ftl• to • &trAlp pl~ l• ao•at. tutftl•• at. 1-11 ib pMMD't .-u.
·in .. 14timat. ................. ,.. pt!••• to be: ·~ ... 1.
M W1Mfl hy bo'#lag tM OWa~O Of tht • -·-· ... fttJCI ftftdlta,
the tta of dq ad oertata othtr t•otol'• ~ to M 4....._.. in. MOI••
al'7 ~--- tor the ~tloa o~ ti• ~.ff ahcNl4 eonlat ot ..it••
1ng the -tou.o.ing nlationftlp t.M.n tlul 6tW.W g~- (gutU ~"4al
Jeriod• of 1w10 UOODf•) .-,n1r1g .. , .ii~ .... ,.,_ bro ... .._
,_.a • thlt wather uta .. , •• tlJIMt. in • U.ght ot 'thl• nq~ut,
.... '"--' •Ulo4 et --17-1• baa \lfte ..n.- ........ ,
l) leoor4a -. only tatce ot 4.tdled pfti-..t. ,._ o.....s.-. lla7 h._• of ,.._ a.a, an not _ NOOriAMt '*-"• ._,,,_.. ftloorclln& of ..
gUt:y 4lq ftUU M fl'Old,bit1• la it!Je •-' Gt 1''bor U4 •9pli••• ile
wq a.Vd.ng ot tM wl-. ot HOOftl ilh&t 1IOU1d te obW~ u •
hour et noor41ng po4U•• ,God Jl ,... .r P&J4JI'•
2) Q~ the ~ taUJl~' only .. --11 .... == .. ~"'ti.
..... tboa ta 11, •• v .. n11. tor · .-. · ., .. '°'ta• appro~t.1Jl7
H 1DU.&'l«W'.• jud to PfttlWN a 10 llMOD4 ~ ot the '1r- tbom ill
Fig. Yl.
I) Tlltt ._iJhe.r ..,_ _. analJHtl ta onl¥ thclltlt •-1d\1oh -. ~ tO.
8'ai.le4 gad lnt.ftlltJ. lo W&tlle:r 81* 1• ~ 101' tu. ftrt ....
~ oa 'ldd.oh ne ftOOl'da oouW 7" 9ka.-. w ot 't!te 4'00:41'5..ou ~
e*1at a •• fm' *19h ~ i• u guM--. A:ttT tnwftl.ptO&' bm•
~ -..id.w NUttona -. on.a mH w.1\11.'b1- tMa PMlU• Mtl­b
•alJl:J.nc a au. v ........
11
Sin the continuo recording ot d•ta.1.l•d. guatheae d eone oa4bg ~
de.'ta i• iltpoaeible. an alteni..t• propo1al ie augpat.ed.
1) A conti!lUou• •low apeed r.oorcl ot v.loc1 ty could 'be obtdn•d eo that
an guetin9a toz- a relatively long p•riod ooul be •&liq d.-nd.-4
by •••ination ot the .-.cord. Thi• mq not be ... a urattt u clet.r•
Ding the value otfr(tJ..) t wul. be eutti<Jlet ..rtne a ..,..i
te or gutine•• enat tr hour to h~.
I) f •e.ther dat.. •Jd.eting trom hov to ho\1.f' • oould • btalnld to
ompaH •1th tbs awnge gustin••• •• cl.tenai.-d ~. !tie -.ther
element. 'to be u"d wlll be dieou••d late · th11 P9J)OJ't •• ~
coaald.ration 1• a a Jeot ot int.net ln any prograa't
S) The 4et&ilo4 reoord• a'hould be tAt.n. u at pi' •nt, noorc11ng ...Uon•
t the moat a.otlve 11 nt• ot w.:rioua tne• ot gut't.7 d&Ja• !ht•
thQ be • ned tor ..... re gut po1n'tt wbioh ahall be nalate4
ared with the value or a" p guatiae•• •zi.ating tor that t1•.
A revis d method tor locating and evaluatin.g tlio• 1 ore •ven gu.V
in the dotail-4 record will alao be g1wn aeparate ootl.tdora.tlo:n ..
4) Tt. r•lation be-..n the intenaii;;J ot detailed guet• and av.rap ft!• mt•• tnNld b• etatl.Uoal wher .... the reh.tion bn.en --.th.er oondt•
t1ou and avenge patine • eould be roctucec! to at least a rough
graphi 1 detinition.
t n. apa-rre eter 7&• ~ looa on the ln• 1 tut. tower and oonneot.4
to the Bsterlltte Angu• ncoN.er. which will be opera.ting -.t e. ehari .,. .. ot
~4" per lloul', woula give r~ord• ti\e.t would t» a.Uet&otory tor the deter­mination
of average guati•• • A ahon •rl•• ot th1• tn• _, .-.po"*'l
previou•l.77, but•• not oonduoted ln •• c ·ipreben1lw a er Ml 6'alr•
abl• to obtain a. eompi.te stoey, ven that i. to & po•tlbl• nl&tion
~ gu tU.•• and the taetor t..
2.
A• mentioned eal'"li•r, the extont or gu•U.u 1• l ly de _ rm1md bJ tht
thermal and friotiou.l •4~1•• whieh in 1ml'n an "1• to {l) the Wiopen.•
~ dittenm• beb--.o the e.ir ••• and ~he .u'fe. oonditlona and (I) th9
pa.at hi stor7 ot tn. a1P, wt th napeot to the \Jpe ot t.rn.1.n 1ib&t 1il bu
passed OVft' ton naohing ta. point 1D qu.ation..
The r •• it•lt be chaft.cteriud by the val or potential w.p.n..
tun i • ~ wat.er upor oonteat, .. The• be iJ1fl into partial
potential ~tun of dry air, ~, arid eqlll~ potenti&l t 91tP9fttuN,
~· It i• Tf!fr1' oonoetw.bl · that heh air maa• c d ~nd b7 tbt
valuo ot a1' SC1M1 .ie.,.t10l'l auoh a• 3000 t.r• -.hloh ultl •itbv rw•i•
eon•tant or 'fV7 .,.-.ttaa.117 u the air .. oro•'" tlw 001Jlltr1. ti.
thermal oonditlon oould 'then be nlatod to the d.ltte.ten• tea• t!Mt
iretennoe 1-•1 an4 either th9 ground or --. int. late le-..1 aueh ••
600 t.ra. Ti. hei ot the s:wt~ lewl wulcl 1-w to be .,_.t.ndM4
by atu ot "f'ariou. Raob•. Su.oh an air ma.a lap• rat. 1ght eltila .....-a.
ta
hni•l ~- AlZ'lh1J Jut1w'9
J.troa, Ohio
or supplaen~ tile loul lapse nttt b·HrWcl a" the tf.nMf' end npllln 1lbl'
guet11\est exist• un4er &JJJ>*Nnt loeal itmtrll101111. One a4Y&ntap ta tM ••
ot -81 1• that tt abould be relati•l7 t1•4 ~ a rft~le tu. mad dia­tan<
M ao that e obanvaticni taken a ta h'tUldffd mi.a•~ at 01 a ..ia
be a $Bll9d to be •11<1 hare and now f'or ~cer4• taken at 6 • With 'b
pnaent ltmited llUl'lber ot Rad1oSOl1M l'Ull8 •hi• i• a ftlabl• tutor ·ad aleo
a neoa•a&17 quali t.y for u• in aittld.p ?UL"f'igatlOJl,
The past hia'tol'"J' ot the 1.i:r a.a related to the •1ttlnt ot the fri.et!OMl .cldl••
pro•nt cannot 1- 1ent1fi 4 aa a &oparate h.O'tOJ." •1noe the blll"111*.1 ert.n
alway-a combine• with t• trlC't!cmal to gi..,. -th.ti total ett•O\. fl09wr, •
taotora an b9 u•4 to cnua.aterts• the Motionalt t!inet101tr d uppw at.
'fflotd. 1'7 • An eut tr!ntt ha• recen-tly ·COM from ttt. W>tmtain• ud •"14
logically have mON trlotion.1 eddi•• 'the a Mrt•at 1d.124 1fhioh .._ ~
Lake Erie an4 ll1ob:1gan.. Ro~er. \he .aat wi.ml me;y be from s. aui"ficlently
different a:iit mu• •o thilt the thermal e441H _. m.uc-h le1a, giving ·& .t
et:r.ot ~t 1-•• turbut.nce. Upper ail" wlociti••, • <l•'ter.trd.noct· b7 ba11o.at
run•. g1..-e · a mtta.~e ot 'the activity or the air in upper ttn.• but t-h&~.
in turn. is ale rel&t. to the twtmltm• meitirig ttue to thermal acrtd...S.v.
Whether OJ" not 'the grad1•nt or geo.Vc>pllU wlncl hafJ bffn a~ •• • ·
basis ror guatinna detem1Mt1on i • !1ot lmoWtl. but there ma7 bf.I some MYU•
tage in o~.'191"1ng 11i• etreet e!noe it ha• ~ ol>eel"le4 ~t ptty d~
often ooour when the ieobv1e l)!'Htun f'1e.ld 1• relatively ttat10!!U'7 or
wbm W<> or thrt•• rebltiftly week ~· .,.. N•dJ••'-i g ~l••· rott
eumplo. at the time of~ liq 16_. •torm.. 1tte b1gb pnaaur..,.. Nat.a
eentered OWi' tlut oeean ea.It or Gal'ft•tt'm -4 th• pne._,. eonditlon• at
Akron WfH"e rather $tMq.
other -.thar cbaw'ftt1on• w.oh &• tm"taft ~ratui-e, pre•nre u4 _.
point an not to bfJ atir•lY' negi.oted but thfq ari. l•'r•ly d.tumtn•d b7
the dr mae• e~eriatioa and tbu• W• probabl7 otlftiM!' ftlue 111 d.-,.•
mi.ning •t•t. ot pathlea.1. Po'tedi-1. ed ~-1.et ~1*1 ~
at tr. •~· •hou14 be eYeluated to be eompard with ti. OOl'ft~I
factors 1l'1 the tdr ••• it .. 1.r ..
The type of oloude ,... .. nt, their •l•'Wition and O$WftP • although ftrthd
dittieult ~o eTalua1- on & eompoa11- ~rt.cal to.le, robably de ~ into
the tunount ot gusti•••• at leo.st locally, beoatt" it hu bM:a o~ tha..~
guninea i.• ott.n preun~ on day 1n whteh •oa'tt.ftd <to bi"Obi'l 0W1Ulua
clouds ooour.. Bowwr,. the cond1t1oa ot eloucH.••• al•Q cu b• c~P·
iod by the air ma•• data to I01D9 ntat..
In general, the Pfl•ffl!'t tactor, k, t volving u5 amt•• b• promt• tof' ~­mir.
ing guettnen ad it o'bul"'Vlltieu 1'1<».tld be •xt.aded u 1nol e ooa41 tiona
Wilen the!'• i• no guetin•• • othe~ itaot.or• o-ould 'M mor. a__..t.ly .t&ttt« ••
to their J'Olation tc> the problem. .The deto.-..itlPton of• ohU'aotei-t.Ue to
define the air ma•• and the r•l.Uon. ot t obaftot-1.-tJ!o to av•n.p guftl•
•• • oveJi 1f onlJ' qualit at1w,. •hould h9 tile tint <trW ot a'ttae·..
1f
3.
Con quontly l t 1 'tugge; tba •aoh NeOrd be • 1r•4 tor 8barp 1ra__..•
in velocity ti.ngle within o to th1"7 MOO!l4 ad onl,y tta orittoe.1
anc lere.tions dot-&ndn • Fo~ • le~ 1u ca.. Qt a "40?" or the type .itom
b lO'W' >
I
18
Jlmd•l Gucgen•lll A1Hhlp I-aniiNW
Alcroll,_ Ol&M: .
fb.e ~'5.on ot ti. 1t11Mtndtf ot the pn ••--•• ~ eon.al4'1ft•
ti.on. fhrM •\hod• ... been· u-4 !a the pan aJt4 .._ ooa't!mMd la till•
report .. ._ant
l) Kamm• ~ .. oompared 'tit ~ •• .-..ma •xttua
8 ) Aoaelen.1S1ou U o..pand to doa.wind. -.teat
S) Max:t._ ohu.• ia oro•• wloe1ty u ~to thi• ohap ,_ md.'t
tiatana. domnd.nd. ia wh1oh it -. tounct 'Ww.t ~ p.t ooll14 ~
"nted.ft uoorting to tblJ ~ (A'f)• s A,, A ·~
4) A ml#thM nggon.47 •'but 1101:: ut1114. i• & mo41:t1oMia Of' I) b Whiok
the <>M'l•te ~ .._lffatlon la 4tv14ed bJ' * &Wftp wlo4'ltJ' _.
thie (ma•·•• 4ha'Age/ a) plot1at4 •gdu\ ~- .u..-... n.
data tb.u• gi'f'ft would ftx a eimple gtlat pnts..19 'to a14 ill .._,...
1ng the re•ul~ toroea • a aoonct auO!.p 07 4*t.hd.q the et~
ot ~he ~ pft lU.ly t . ft UOOlUl.,.._ A 'Tatiag" f&fto~
ooul4 probabl.7 \Mt "tabli*-d tor tn.• poi.n'U •isdla t. tab.at Ul.t
1n I)"
Aa. t \l'tUM prognm, i\ i• #Ug&* ... d ~ba.1' •thOA I} - ......... to iaolud•
wlooi t7 -4 p1 tab pat• ... •11 u .,.. giaa\9 and 'bbat -'hod •l 1- iatro•
daced -4 •xmai-4 tor ti. "ntlng" ~. It -.UM htt po"1b1e to ._..
'the• "ntlng1' fMilon la • •ti•ti-.1 • ....,.,, ot • awl•• ot po1ata ob•
tat.nett ~. t!w an&17•i• •ugp.W ..,.... e ,_.. 11. Ila ,.. lt b tt&'­~
vabl• tl&t tho gun iltt.•1"1' date. 00\lld be ndueed to the l.UO'ldag
Wol"lll&tioat
l) KiM: ot pats •lool'b7, 1fJ.W or pi1zoh
2) I>uration ot pRJ time a.nd d•o•l•d e:atat
I ) ttAcoelentioa" i'ating n.-.-a ta -6) ._,.
4) "C~ per -1t dtatamJe• nti.ng auggtt.....a ta 8) abcmt
wbioh would r•4u• th9 volUJDe tJ>t ... _,,. 1ab1-a Md .ablo ta. n.-r to
obtain e. mon o~l• plotv. or pet. l~V w1t'bi• • •~ ~.
OM other b.otor de•••• t4 1- mbtd.OM4* that ot l•wop1• Vbu1-­whioh
in'tltntt• nearl7 • ...,._ •OCI~ With~ gulftS.M.•• pro'b1-.. la
u muoh •• pni••• in u. J a P-. r4tOOJ1te4. t'b woul4 ~ pot•lb>A to
N\ain tld.• bLferMtiori. fo gn e. O.Gll&Pl.W plO'tnan, -... .-moal pJ#U
aholWI be ~ ~ ._. •writi' of the gun tn •a.oh ot ta. ttfttJ
direott.oae ad ~ ti.. ._.ttace obta!M4 u ~ tmftlop. It ti•
•urfaoe mould t. la ~ ot a ilflwJre• it WOUG indi•t. 1aotrop!o. -..~
'bulaoet U • •ll1p•ot4. 11- 1'0Uld 1.U.•w a .PNf-...4 f!br..U• ot -...
lmleJlOll,, !ld.• hltonatloa •uld '- ot -1• in u~ab:ig to ..... -"'*
pita, ,,_Md wlocd.V pat1nn• o.nltl \Ml~ into_. plotun.
4 .. s~
A au-Red •thod tor pndiot1Dg •*'in••• 119 ,.., et MrNlatliq wdber
oond1t1ou at 1111 tin• with awn.p gent.a•• .a 1dlen oornlatht1 'ht•
a'Nrage wi._h the int.ea.i~7 oE 48-tail.H ~a 1• dtMU*_.. r.wi.._
et oond!U.one ttw 4qa ot llt'tl• or no gudiM•• 1• --•-.q- v ~a•
omnplote picture. Con.ict.ration u alto givn to th9 'YUlows t.rpea of
wather ·coadition• wbioh Jaigllt ~ •• ati.ta.toq ertterla tor pftdle\lng
gwttine••· 1'l1e -.ld.....unt potu.tiel -.pu-a.tw• ot tM air .... '1lla
ba.llo<m rim wla-cltt.• ad 4il"eotion1 in tti.· uppe.• a.tr U4 'bb6 gMUDd ...,_.,. ...
atve an4 hmold1tJ' ata wn coaai4«-e4 ot ~ hspon.w.
O&rud.deftM.oa -. d.eo given to tho' aon .._•t• ~ o.t t.ba g~ nOOJNt•
by .-t\1\lJ'!.q all pain.ta ot rathd' larp •1"1• ~· a4 ooiaparlag 1d.t4l
the total l.ngth Of the ftCt>J'd to ObtAJ.n Rati.tioal dat& or gu• ia--d:tr ..
Vari.on• •thodA uMCl tor noor4iit« pet ~-- ..n di•oa• ad it _.
auwated tha.t a •re.ting"mthocl • .iatl• to that •Md 1u r1,. xv ............
In thi•· VM.J' a pit eould. be deHtibN bi 1-b ttun.tlon Md ntll;g aiU Wlll•
gl.w ••on --.i.w pt•tu.r• to:r ftlt.-. 4-.S.ga &ta• atJN•• oon&1tt«U
lnduoed.
'Dilt71W.t1en of gu.eta bl al1 ~ 4tlr.4ui_. ._. :untlOX*t aa being •11ibr
ot ~ .t~. ••it Jntght J16rmit the ti• et All pat data tG be u.U "°-'._.
r•garc.\1-ff of what tJpo o£ gun i -...
P. O. BUN
.,_ ... 1"1
l. #1 - .Prognae l.eport a Cun Studt.ff ~r Conw..et ftil&lO. ,,..,. l.tlf
2. fl • Pl"'GgtUI :a.port (Covering ·fld.ri Quaner) on Gust Studi•• untler
Oomraot ~. 61610.. Ruett-... lio'f'., 196'7
S. v& .. Progrtt•• leport (COYeri:ng Pounh Qu.BJ'tW) on <luet &tudi•• under
Con1ftot Ko. 81614. Jtuethe. !tvoh. lla8
6. 1~ la· Prognu Report { Oowring Firct Quut.er') on Gu-.t S1:Y..tM.e; ua•
Soh9d.ul• 100..-a. Kuethe. Oct •• 19a&
5. t 2•• .Progn•• R•port (Co~riag Beoond qu.ner) on hn Studi••· tlBW
Schedule 500-516. Xuethe.. May, 1919
6. f h- Prog,-e•• Report (Oowriag fbird Q~) oa Gun Studle•, Schec!U.
600-618. ~-- Oot. • 1911
1. if-4a- Final lte-por"t Oil Gust Stud1ea, Oove,.iug Fourth Quarter ot Gust
$tudi•& ot Sebedul• 500..iJZS. lue~M. Sept., 19•0
8. summa:r 1_,m on tn. Inwstt · ~iou or Gu.t Jtt••'• on Airahipt.
llu-mb e :d TrolJMt.. ._oh,. 1Ml
9. "1'ind St~ in Winter StOJ"JIUt' • Sh.erlook ad S'°'1t, JOtU"ll&l
Ael"onauttoal Solaoe1,. Vol. 6, o. I, pap 6', l'JttG. • 1911
10. Suppl.ement 1. ".A:tmo~1o fwbuleruae 4ving · 1m.r Stoma",, 'bf"
st.rloCJk Md stout, ~ A.1J>Q1,p Comit.tfee Report Bo. 11
Jan., 19$7
11. "Seine Fea'b~• ot A tmoapherio fQl"'buleno. and t:be Pa•• of Pront_.
bf Xuethe# Daniel Guggeflheim. M.Jwfttp In.tit~ Publloa'tl• lo. &.
1916
~•l G\igg()J1Mbl .Urfblp llll'titut.
tl.. &trfao. Weatlw#' Deita tor hat, Dqa
IlI., ?Jpper Air Date. tor Gusty t>-y•
lV.. Con'$lc.ted Gut I:atenaity
"fl' e Indl '\fl.dual Impact Gu.at Int.in tJ'
Akrcm.. Ob1•
TABLE I
Gnat Reoorda Anilable
6-18-61
!tne of Becor4
• S. T.
16•-06•00-17•19i30
llt29t00•16sl2sl5
Length ot
Actual boord
RUil lo•. hr 1mtn tAO
001-006 0112 tl&
015...024 68tl0
6• 1-61 lltl0tOO•Ut09•00 025..026 lfrtl5
6• 8-41 lfhl9tOO•lfh29 :00 027 lOtOO
•ll-tl. 16t59tOO•l1tGtOO 0.1"°" UIOO
8-18-il 12:SitOO•Url0100 0'8-Gl7 Sltla
41""1 16100 tOO•lS t16 tlO 068 ..o&6 84 t'8
8-1641 U rll a$0•U i5':10 056..067 lthlO
a-11-t1 11102100-12e1oa~ oaa..oeo a1.oo
total taOltOZ
(1) Adlaba~ta kpae rate. • •l.O-c/100 •
¥
Range at Tower
(1)
•0/100 •
-
--
o.81/ ..0.11
..O.SJ/-0. 60
--
-0.17/-2.08
o. 04/ ...o .. 71
1.19/ -l. 1'1
1.96/1.11
2.62/1.G
!.ts/0.'78
.0.12/0.21
1.05/0.91
Type of ... ther
Rdn etonn approaching
Clear. Scattered high cirrue olou6
HnT.V CJWM.llue cloud• 'to'ard II'
Cle.a night, tw broken altoouaul.u.a
olouda
Soatt.red .fine .... a'ther cmaulue
oleud•
fhu.nder1torm :north or •t.tiou
Frontal thmideratorm
Broken oumulua cloud•
Brok:n low •torm elouda
!mmd•t'storm to iE
Frontal pu•p ud wind. ahlft
Dani•l Gugpnhel•J.irotp ltsni.._.
.Akron, Oblo
I. ihotograph of d:te of at\Nlog iJtat1on
II. Photog'&ph of topographic map ln th$ viei:n1t7 ot tM at&t1011
I! I.. Plan vt.w of a.e.t'Ology etati.on
l'V. El•vation ot nation ah01fing i:u~ looatloa•
V., Trfi.e•• ot I OlEh 120-dO Me.7 281 19'1
VI. tt OUh 30-100 • •
VII. tt " " Ol8t 110..e&O
VIII.
nc-
XIlI. Plot• ot d0tr.tttd.c.4. oro .ind and maxbaua oba.n • hL U:, f'. P' •
v• N>.d W1
XIV. Plot of gun •o~1erat1on w downwind dieten•
XV. Plot ot o~ 1n aro•• velocity 'M ohulp in oa-o•• 'ffloo1-
P91" w:dt doawind. d!atan•
·I
'rAB ~E II
SURF ACE WEATHER DAT ~ FO'R G US'l'Y DAYS ( 1)
a. tn.1 Ail' D9s 1f1Dd CloudimN
T1M P'N81NN r.,. Po1Dt dir. ... t Sip Lair
Date 1.8.t. lib .., •p '!!J.br ~a~ ~al ~2l ~at • •J.
642-&1 11•11 101'.9 89 18 WSW 11 • GO ., e 1!06.I
1-ee-u l~hH 1011.e M &O WSW 18 • 0 a $06.0
6-28"'1 llsH 1019.1 87 60 WSW i• - b 56 0 0 $06.1
6• 7'"'1 aa.u 1011.9 10 GI SSlr 16 b 7 0 191.0
e- a..i 18.U 1016.6 17 66 D1f 18 • 60 • 0 l soo.a
1- 1'"'1 01'10 1011.9 71 10 n 16 • '° bl 1 0 aoo.o
1-11-1• 15106 1009.1 '10 6' JlkW 16 ao & 29&.t
8•11"'1 21•58 1000.IS 68 66 Sff 12 20 & 2 0 291.7
8-11"'1 17ta5 lOH.a M 61 8 18 Sl b 0 1 291.1
B•ll-ll 11.U 1069.0 71 5' • 16 tO b 0 1 301.9
...... 1 11•08 1008.1 11 87 SW 11 • • 0 a 1500.1
8-11"'1 2146 1008., 78 81 SI' 11 80 ' 0 0 ~oo.o
8-11 .. 1 11111 1009.1 80 SI SI' 17 80 x • • 1 0 3ot.1
l
•••• ·p> Data haH on Akron W..tber ~ Data
I) C.illng Hti-.tie, it lea• tb&u 9711 tMt, in hundred toot unite
(I) ~of olcNdas • • --~ olou411 b ... brot.n olouda1 x • ~--
{'} i..4 OD U bl' !*"iod witb1n wbioh Noord. 11a8 taken
(6) BaMd OD 1fuhingtoll AllUJ. u4 Waab1ng1IDn 11'•tber Map
I
f
Danl•l GuggeNieill Ai!'ahip Inat1~
Alcl"an, Ohio
Pn•--- Clllqe
' ilr ... cnv ltatia I
n.947 ... + ... 1191'&1ng 1nto .,.,
dropPI& ... + ... nplaolnr: "'
• llPw nplMlJtg ll!fw + ... .. oP + roP nplaoing llfw + lllPw
riaSng oP + roP __.glng wi'tb ePt
.-q a'l .mo. 1/1&/'1
las rlP + oP(oold) It .,. (...,.)
lo. ,.p + .r(eold) • a'l (WU'll)
1'111111g oPlc OWi' .... + ,., .. aP + oP
dl'Opp1ng rlP + a'l .... glng ~ lllt .. St
1- oP + 'ftP (0014) • 1'f (wua)
UPPER AIR DATA
hdioacmde Intonation
f1me Airllaa• Time
of Raob tne Of PibtJ.
hr Daw.at at ~ant •.t. B. S.f.
6/22 01 Joliet 298.1 106.0 1.0 108.8 8.1 10125
S/21 01 Jhit'ft.l.o 29S.I IOI.& 8.8 106.1 a. 1 16106
6/11 01 Joliet 198.4. &.& 5°'.0 '·o 107.1 1.9 18•50
5/28 11 Buff &lo 298.1 4..1 SOI.I l.'1 a01.1 6.8
&/P:I 01 It aoz.z 9.1 IOI. '1 8.6 :so1 .a a.2
6/28 01 Joliet 100.1 11.t 106.9 7.9 108.l I.&
5/28 11 Buf talo 100.6 10.8 lotS.O 8 • ., 108.6 &.1 -'61 10102
6/29 01 Joli•t 101.0 :i.a • ., I06.9 8.4. 110.1 '·" . 181'°
8/8 01 Buttalo H9.0 11.1 *·' 9.8 101.1
22100
e/_e 14. • 191.8 8.4. 101.8 1.2 111.0 '6.8
S/8 11 JoU.t 1915.6 '1.6 108.1 8.0 108.8 '·' 11101
16ato
7/1 OI Buttalo l<ll.I 1'1.6 1oa.& it.a 111.7' 6.8
22100
61H
7/18 11 St Louie ..... IOl.8 11.l 306.6 8.1 $11.6 '·' 11 Buttalo • IOl.8 11.1 108.8 10.1 109.8 e.o 10tl9
11 Joliet Ool4 100.8 9.8 101.0 6.8 IOft.8 6.1 18•28
11 Sault st Mari• • 191.7' 9.1 100.1 4..9 '°'·' 1.1
8/11 01 laahTillo Waa
8/u 01 Joliet Cold UtlO
8/12 11 lut'Mo 111.8 8.7 19'1.I 1.8 IOI.I 1.1
11 Joliet 197.0 10.0 IOI.I 1.2 111.1 a.a 18161
8/H 11 Butt.lo 191.1 a.a 298.8 &.I 106.8 1.a
11 Joliet IOO.l t.I 101.8 &.& 108.8 ••• 10•11
181.U
8/21 11 But Mo 111.1 11.0 IOl.8 9.9 109.I 11.9
8/28 oa .. zta.e H.l :SO&.I 8.1 108.8 i • ., 11•19
11118
8/28 QI .. Wua Z98.I i•.1 10,.1 8.1 108.I a.1 21•00
11 • • 195.1 11.1 IOI.I a.a 110.1 1.0 6100
01 Joli•t Cold 291.1 11.1 IOt.I e.• 111.• a.o 101•
11 • • 191.1 11.1 IOl.6 8.t IOt.1 1.1 17 tfia
Daniel Ougpnbela ilrlhip Iutitut.
.llcron. Ohio
Alt1'on Pilot Zl&lloan Dtt.W.
hU•.a .l.t 6ca!l r. ua h•cZ!ir. t Cloud BleT. •1 MO •1 • T • k
11.4. zae 14..0 111 IOll Cu 1118 l.bl0-1
8.8 l60 8.8 159 2018 C11 H98 8.1
8.8 Ht 11.1 I09 IOll 1.8
8.9 161 U.4. 176 ZOH 1.1
1'.l 210 15.'6 216 2018 Cu 1118 1. '6
11.1 118 18.4. HO IOl8 1.1
14..0 185 21.0 281 1<>18 So IOl8 1.8
8.8 117 H.8 191 ZOl8 Oil 1711 1.1
1.t HI ••• 111 2038 1.1
a.a no 11.1 H8 1<>18 I.I
'·' 210 8.1 IH ZOii H&M DN
l.t ''° 10.9 "' IOll So IOl8
u.t 111 lt.I 199 1111 .. 1111
16.4. HI 11.1 117 IOll Oil 1198 1.1
s.a 11• 10.I 100 1111 Cu lUI
1.• Ill 1'.I llO IOl8 Cu 1918 1.0
9.1 Ill 11.1 ... 1119 So Ult
t.8 118 11.t Ill 1011 1.1
1'.Z IH u.o 178 IOl8 1.1
8.& IN 1.1 la& 1119 Jtain 1129
8.8 HI 11.1 181 IOll Ao 14.78
6.8 118 . 7.1 118 MO So NO
Daniel Gugpnhe1a Ur1hip Inst1tut.
Alcron. OM.o
TABLS IV
CORRELAT !D .G s·r I NTENSI TY
1 a I 4 I e 7 8 • 10 ll 12 11 16 15 16 11 11 lt IO
v, m1n
IU.n1mulll 1i'erl1 ltenoe
Run 'rime Report &
'is Illig.
Dowmr.lnd Qro11win4 Looat1on Duration v ( ~lt •o. of Jlun Pir>!:!£• S!! t:V .. o t1! ~ §ta t At rt Col. l•
8-289'1 018 lS••B•U- 5 - 6 J. 27.8 JI 24.,• E 211 ff A 61 I ~ 18 6 11.7 1.61
1S•67100 ltl Sl.4 (WSW) " • 121 44 11 346 14.6 l.H 0.67
19'1 H.7 • • 19'1 34 10 H7 17.1 l.7S
178 ae.a • • 276 32 10 161 24.1 .. ~
HI H.l " " 353 28 10 Ml 18.0 1.80
+ 121 44t at m 31.1 1.08
19'1 47 27 96;; 21 • ., 0.80
276 59 M 8'78 11.1 0.69
35.3 61 31 1051 18.t .0.11
111 ff + A 16 I 118 37 10.t a.1a .on 9.6
lt • 197 8 7 Bao 55 14..1 1.07 .Oli 11.1
" • A l6 !I 610 60 11.1 .OU a.a
" " 197 8 21 812 H 11.1 .Olt '·' II • + A 58 I 81 29 a.t 1.9'1 .011 0.1 • It 197 '6 I 108 29 1.S.T 6.67 .117 D.i
1t II A 69 4 110 M 17.t .. ,., .161 il.i • 1t 197 56 I 111 20 u.t 2.38 .Oil 9.1
+ 197 97 ' 14' zo 1.S.l 1.11 .Oil 11.1
153 101 I 171 11 1.4 l.i8 .Oii 6.1
197 " 11 Ill ~ .. 14.1
353 46 16 ,.,., 29.6 18.T
197 86 10 H7 16.1 11.1 l..16
35S 92 t WT 20.4 11.1 1.70
1..a&9'l 018 1'•41•60 · a - a A 17.8 • 251• ll 219 71 + A 21 lt &IT 16.1 0.71 0.04
16110100 111 2'T • ., (WSW) " " 121 16 lt 1518 11.4 o.as
19'1 al.I II 1t 197 17 lO Ill 11.1 0.80
276 H.l II II 276 6 II TIO o.t o.~
315$ ... ~ " II ass 0 20 611 U.T o.ao
" II + A 10 • 167 18 16.l a.u .090 ao.o
" • 197 1 I ft 19 8.1 1.70 • 088 •••
" • 363 l 4 llll 18 8.1 1.01 • oea I. • + A 10 ., 961 415 11.4 0.61 .OI& 1•1•.T • • li7 l H lOH IO 18,T 0.41 • 011 •••
" • 353 1 33 1081 29 13. l o.4.s .014 a.a
" 'n .. A 46 a 167 8.2 .... 0.80
" · • 197 38 I ft 6.1 4.1 1.41
" " 153 H 6 16' u.1 CS.I i.ao
D.niel Guggabela Urehip Ineti tute
Akron. Ohio
'rABLI IV (Cont.)
CORRELATED GUST INTENSITY
1 2 a ' I 6 7 8 11 12 lJ 1' 15 16 17 11 lt IO
'Ua mn
Minimum Pera1atenoe .Acoeler-lun
Time Report 6
Y5 min
Downwind Croan:l.nd Location Duration Max. Ohanse at1on v ya ll Date l'o. ot lun Pism'! Sta fVMO ft tt !ti t A. t ft deg tt/Ho tt/aooa Col. 14. ~Ool. ii) l
5-28-41 018 1••61•10- 5 - 7 A 27.8 I 252• E 219 76 A 31 10 278 19.0 1.90
1'•60•00 121 1:T .1 (WSW) .. " 121 21 11 305 11.4 l.06
197 Sl.& " " 197 2& t 275 a.a l.51 -0.16
276 H.l n .. 276 22 11 164 11,7 i.oa
&53 H.8 " .. A 6& I es 7.8 2.~
" " in 4.5 I aa 9~0 a.oo
" II 197 41 I 96 9.8 I.IT
ti II I A '7 11 I06 n 14. '7 1.M .0&8 10.,
II .. 197 :SS 11 116 H lo.a 0.96 .Oil I.I ti II Ha II 11 HO lli io.o 0.11 • Oii ••• " .. p + A $5 2 61 9.8 .... 1.60
" It 197 27 I 91 u.& 8.4 a.11 n II :S53 27 s 98 6.6 '·' 1.4.S ~
7-1-4.1 028 00 •58 •00- & - 8 A 17.6 R 3CM.• E 195 127 ' + A 60 e 105 t .8 1.61
Ol1<Ja1IO 121 21., (111Jf) " ti 121 '5 6 101 13.l a.ea
197 26.1 It .. 197 H 7 17'7 10.8 l.M -o.
276 !'7 .9 It .. 276 H 6 167 7.t 1.11
36$ 28.6 .. " HI 15 6 111 10.7 l.'71
" • T A IS e 105 u 7.t l.H .011 ..7
" It 197 21 7 177 II it.I 1.04. .011 le.I
It " y A 66 I &:s IO 8.4. a.so .lit 11.I
" It 197 69 $ 76 16 s.t 1.10 .otl ... It " p llU(lll A 11 ' .. 70 21.Z &.I " 197 ll 8 202 1.0 1.6
.". " HS 12 I Bl llMI i.11 " p + A SIS 2 H 16.f s .• a.20
" • 19'7 27 ' 101 15.6 a.t l.4.7
•.. " 153 28 I 81 l'-0 6.4 2.11 " p Bump A 58 a 88 18.t 11.1 ....
" • 197 68 8 IOI 11.a 11.1
" It 153 68 8 218 11.0 7.0
It • p + A 87 1 18 10.& '·' •.eo
II " S6I 85 I 57 17 ••• '·'°
J
,--./" Duiel Chagpab91a Airahip l:Allt1 tllw
Alcl'on• Ohio
INDI VI IJUAL IN'fENSI TY
l I a 6 6 9 11 12 ia 16 . 17' 18 11 ao
Repol't It U 6 llin Guat LooaUcm Duration T
Daw Run Time Fi~ &ta ttlno l1nd Sta 't At tt Col.. 1' 'f8:aCol. 18
6-28"1 018 111'8126- 6 - 6 A 27.6 u A 79 1 28 11.0 11.00 o.•1
ll t&f 100 lZl al.6 u A 90 z 65 t.a 6.90
.1.9,7, a&. '1 u 121 u I ez a.a •• $() 16.6 u 121 106 I " 12.6 4.ZO
161 H.l T A 8 2 65 10.f 6.U .ltli 11.1
y A 78 s 81 10.7 a.to .111 16.8
T 197 8 7 260 1'.6 1.01 .OA 11.1
p HS '8 6 170 18 • ., a.10
6-28-41 018 16162110- 6 - 8 A. 27.8 u A 21 10 278 u.2 1.11 0.06
16160100 121 27.7 u 121 1 12 ass 11.4 l.OI
197 u.& y au H I 98 8.1 a.10 .Oii 5.1
276 aa.1 p A 11 2 58 &.a Z.80
SU 12.8 p S&a zo s 98 a.a Z.7T
1-28"1 018 l<l1d2 1i50- I - 'T A 27.8 p l&S 71 2 68 ••• 1.11 -0.14t
16•50•00 121 27.7 u A 7 6 167 l.70
197 Sl.6 u A 68 2 61 ••• 116 H.l u 121 u 5 119 1.06
IU sa.8 u 197 60 6 189 1.18
u HS 18 4 Ul 00
y A 9 1 18 l.IO .oot
y A u 2 68 a.a ,OOI
y 197 I 1 SI 10.IO .Hl M.O
p A 69 2 66 a.to
p au 2 8 261 1.M
7-1-61 028 00168100- 6 - 8 A 17.6 y A 6 8 1411 10.7 1.M .0'78 a.T -0.M
OltOltSO 121 21.6 y A 8' I &a s..o I.a? .111 .. ,
117 26.a y 197 18 6 11'1 11.i .... .Ol7 16.1
278 27.9 p A 81 1 18 4t.8 .. 80
au 28.6 p au 85 2 67 a.a .
T A II ' 70 a.a a.oe .ua 8.1
y 117 61 a 78 '·' 1.11 .OM 1.1
p S&a 11 I 51 9.i 6,90
Daniel Guggenheim Airship Institute
Akron, Ohio
WADC Towers
Site of Aerology Sta ti on
Tallmadge , Ohio
i .
Topographic Map
Daniel Guggenheim Air ship Institute
Akron, Ohio
'
Vicinity of Aero logy Station
Tallmadge , Ohio
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