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<br />
<br />or air or dry mP air, whioh r:\OV()S in~an Oo.s'\:;..southOf.st' diroction L\CrOCG
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<br />11ontuno. o.!lcl the Dakotas. .. cold fr(nt usuo.l1y prooodes t:l0 lC.ttor ",'r mc',ss.
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<br />If not, n. f:ront dovelops y{ho~'l tho ~\ir maS3 move:.:; i::.to t:(L) l'()~~ir)~'! ooc.u:9Lx1
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<br />by tho m1' o.ir. The Qvor-running moist a.ir is curved Y'."c;:;1,"vtJ.rd :-'.:td fIo':,,:' up
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<br />slope uador tho influence of -~: lw circulction uroul1c: 0.. Im\T pr0ssuro systom
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<br />to the seutl:n'l3.rd. Precipitation in t,''lO form of rruin or snow follows tho
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<br />po.ssage of tho cold front.
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<br />23" Cloudbursts, duo to do.ily tomporD.'::u.ro v::J.rio.tiol"H.l, occur duri~1g
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<br />tho summer months in tho mount::.u. n :regions C'"rl..l over t~10 pled. ~lS Ll.r(;~_~s to ".:Jit~l-
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<br />in about 75 miles of the foothills'. The morninG Sl~n onuses croe.ter hUflting
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<br />ovor tho mounto.ins t h[":.~1 O-'~-(~r tho pIc-duG :::.nd n flow of air up thD m::m_J.1tc..in
<br />
<br />nlopos is bc~un. _'.s the: r.J.Ol'"l.1ii.lg progresses tho fIori of' tho ::'.i1" tOWCI.:rcl the
<br />
<br />mo'u1.t:::.ins bccomon st1"one;cr, r:'.::ld thU~ld(;rho:..~.d8 GOUD f(.rm 0","(':1" the mO:lntLJ.ns.
<br />
<br />Tho rosulto.nt thund.Jrstorr.w, \'lhich begin ['.bout noon in th.') mounte:.ins, n()'."o
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<br />in CI. northward direction and nro dissi~~)Q.tod over t.;IC plo.il:'S. Tho L1tCDSitics
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<br />of tho thundcrstormo arc i:lflucncod by the volume (If moist u:r.stClblQ c.:Lr j:'1
<br />
<br />the region.
<br />
<br />2~. Tho ma..ior storr:lc thc.t :hn."'<lo o(:currc;d in northOo.st.JTJl Color~.do an)
<br />
<br />sUnIDlnrizecl below:
<br />
<br />T,'J3LE 10.
<br />
<br />Por.tinont da.te:. cO:lcornLl:', l!lo.jor Gtorms.
<br />
<br /> }'Tn]~imum _..1-_",
<br /> St.orm ccr~t(:l'
<br /> rrcinfo,ll j.~lov. ~'~pp ro:::.j L:~;.x I :3 'COrnl
<br />Do.tc of stann I intc:ns it Lace,tioD arc:...:. !dt)p-t":;h d'1r""~- iC-J.
<br /> t... <.-.'-' '.
<br /> I inches , ham's! in Coloro.do m.s.l. .----:-T----
<br /> I J s'l.mj~!:.:-l ho~'E.8.... .
<br /> I I I ~;221
<br />Eo.y' 21-20,18'16 I 6.5 2,~ I Dcn~,,'o r I
<br /> 3.19 I Pil,:(:s l'onJ:: L,lll
<br /> I
<br />ro.y 29-Junc ') I 5.80 2.1: I -.-.-o.rd Di stri ct 9,230 118 8.5.: DC
<br />c, ,
<br />189:~ 5.57 2.:'; Lake 1'.'10 rr c. i n 0 10,2G5 1,506 7.5 0"
<br /> I ,JQ
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<br />:'~pril 1':- L , r " 2:: I Fry's nC.ilCh 7.'~00 570 n "'c .c:3
<br /> 1.0 I,V;)
<br />1921 5.'1 2~ Fremont J::p,
<br /> Str.tion 8;850 1, '~OO 6.28 /'7
<br /> '"V
<br /> 5.5 2.1 Sil V0'- Lako 10,200 1, 130 (J, 0 '13
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<br />June 2-6,1921 10.1 6 liioClr Pueblo ;~; 685 3,7(jO 1;2.0 Ie
<br /> ~.3 6 LonGmont .1~ 950 520 r- '":c) 11 ~-I
<br /> 0,(..,.::; ~.
<br /> 2.2 12 Elk Creok 7,000 870 5.11 118
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<br />II-16
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<br />'" I, - ,'-_
<br />\;tY~:;:.:i(:":f,:b~Ji~~;'>i"'" -'"'&:iiJjif{a;ii:~"i~-,/'r~'o;;i;:"~~;4k.';:'~~~~~~X~{1i:~~t~~",i~f\~~;'~k-~.,klili&.:,t~~t~~~:k:.;~{~i~~~~~""~~f~~'>~;- "'f4
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