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52
<br />t.\C: r. 1 -/'ntafa nt.r /ar frfNU{in.q L-hour yfr;rra l.luu[
<br />• •fnrrn rnluea u'eat n/ 1GS' rnfndran !o (onyt+
<br />...+u h.~u yn~mda 1
<br />• f clnr-taul+
<br /> I II:I .:I I~~11 _ ___`~ __ ____ _
<br /> 1.,..p, .1 ~ :
<br /> 1 Z:~IIC t ZUIIC Ii Z:IIIC i•
<br /> I
<br />I.?0
<br />I 1; I
<br />I.I ~
<br /> I'1 I.fi'I ~ I.a, I _'d
<br /> I ' 1 .:,.ti I ..i:4 ~ I.:lt,
<br />
<br />
<br /> I 2.10 ~ I .l: i LJ;
<br />
<br />
<br />
<br />
<br /> '?4 ?:iS ~ ?. Li
<br />
<br />
<br /> 1 : J.1J
<br /> ;_ J ;I ,
<br />.. .. :a [.hwr ro: n: nr.'el: from truer t' ~> mJ,ratrG rn Irn.
<br />•: ural~~•n. •nnnrr Orr. 6 ~PJ'n. lnr t~mr Entr Aulmn n/ uurm
<br />\r .. •an (`r c'',l a:nrl IrOT tn! a0'l rO:: t~i:r toter Or!lt'nl rG „n I.yYfe
<br />~J
<br />L. Tlurndrrstnr,~.-I;s'imates of nrubable
<br />m::~:r.tum ;hu:::icrs;orm ra^.fall amr .~uu fo:
<br />1 hour user ar, es:rcmel~ smell Brea (po,r.t ca!-
<br />uc.l :ur shot':n on f:rure "0. Pi~u:•e °d teas
<br />..., ,':~d •:.ith some char.~es from (:;,ore G-3 of
<br />"f' ch.^.ica! i'apc "3, Pn•, tired b;: [hc Coupcra-
<br />;n:: tinuGc; F;ranch of the \atior.al 1l'c:nh-
<br />cr ~crrire in co;L•lboralion v:i,h the ~oii Cun-
<br />._•~.::?lun Scn'ice (see bib!w;;raph\•, sec. GO).
<br />~'ald•: '_ prose.^.?s ~ di,•Irihl,;ion of the 61;cre °0
<br />t:,!~Ir; into canutls dura?iun< for the three
<br />zunt- uao v:h:ch fl;;arc "0 is ciit'idcd. To ap-
<br />11!•; ;,r,~n: ealnes of L•~:Im °0 to ~'ariuus si~c•; of
<br />:ura, a>c the Cu."; C'S of Gt:urc °_1. The curec
<br />f1'r 7,oncs I tine! li, fi;:urc "1, v: as adnptctl `rum
<br />thy' 1-hour curcc' of G~urc ~-Iv in It}'drome-
<br />Lcu:~uL,~ical P.c;xu'[ \u. ~.', (sec biWios;rnph}•,
<br />".•c I~u). :1, ~n.dlc:acd on ti(:urc'_1, the ..rca
<br />llmn~ of prob:aJl, m ~in:um thur.cicr>torm
<br />r:,in;;lll arc c~;in:::tr~ w be lOn st!care mile;
<br />in %•~r.c !, vu sl;::;;rr m11~> ll: •lunc II, ar.d QUO
<br />I::l (.,'r ':j ~• urrr..'icr•d rrlCr!ti.-Poe areas
<br />up to :1!~out o00 s'!uarc miles o: es: of the lU3•
<br />
<br />TeB:.r. _.-Pen Lnbfl' rnatirnu nl Ih :n:~: r•- • ••~ ~ ,.
<br />fall ,n rnth to roe rn nnu.a .i., ra: m~a 1•~:•r,l ~.~ ptrtt:I-
<br />agf o/ 1-hour ra ln)a(1 ralufa rrora ny:lrt 10
<br /> ' ZIIIICc t arnl Itt ' ~'nlf tl '
<br />t)U "111•:rl (I:rrfl'lll :•1 ~ (I'...f••.: ..r
<br />tlllllllll r~l I-IulUl \'.IIUft I-I ..C' \ v,'J^I
<br />
<br />Li 11 I,
<br />
<br />i.i \; ~,
<br />I',0 ..,. IIYI IIMI
<br />::, j I m
<br />p0 II:
<br />1U3 .. ~ 122
<br />l?0 G'G
<br />
<br />IJO .. 111.5 '
<br />11,:1 rl s
<br />I50 l:il '
<br />Zonn •re oJtllneE an M1evrr 24.
<br />meridian, inflot': design Roods ..:nc•.;;r. .:'_ nrc-
<br />pared, using both the probnb;c mas:r :: c? :hun-
<br />dcrs:ornt rainfall and ;hr pro!•ablc :-: ~:^~:Jm
<br />;'cncra;-:phc dorm rainfall. Pro; ab:r ..::ai-
<br />m::m thur.dcr;torm roir,fa:! ,ho.:Id 'o\ :.•<un;rcl
<br />to occur Deer the up;: ream ::rc.: r.c.: r~-: the
<br />suvcuJre site inr ;hose r.rain~t• ..1\'... ;ary.\a'
<br />?han ]Ou square miles in Zene I ;:nd ~'1 -'iu;u"c
<br />n;ilc's in Zonc 11. Tito more cri;:c::i o: :he ttto
<br />ltlflon• destrn flood; sho;.'d be usct! i^ ::n\' de-
<br />si~:r. of the su'ucturc in : II ,;udit~;.
<br />Dcsi~,n storm calacs ob?wined ircm :.:•urc<
<br />lv and ]" shoe: co:J;ider::bte dilrrr~nrr :.: their
<br />cammun bour.dar}' alo^g the 1G~' tr.:rilii;m.
<br />This is ciur' to the technnluc: uiod :r, d:'n•rmin-
<br />int~ the •raluos shm':n on the ch:u;s. Tee cal-
<br />uus shot•:n un !i;;u:'e ]i, fur the c:;~;_•r:', t;nil•d
<br />St;0.es are prolrlble masin:;;m pr':r:P;;n;inn
<br />b:uc•d on c•lnrlol,ment e.f m:; n.: ,cpc; of >turm~,
<br />v: hc: l•a: lhc• •: alu•_s shu:•: n or. fr,url• 1 ; for the
<br />tecstcrn 1rnLcd St:ac•: ;u"c ba•\•d un -::u!ics u;
<br />pruhsblu m:uimum ~•c::r.:a-:rpu worm-.
<br />(c) firti,r,; cr::l'::15 jur iu:: iln:rnr+:1,'•'r:.;.-
<br />6ume dams are luc,tcd In area; v.l:'::"a their
<br />•
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