<br />'.
<br />
<br />.
<br />
<br />.
<br />
<br />City. Knnsns nnd 29 F at Pikes Ponk, Colorndo,
<br />
<br />The grontcst depths of
<br />
<br />rninfnll during tho storm woro 7.5 inchos in 5<1 hours a.t Locke ,Jorrdno,
<br />
<br />Colorado c,nd 8,5,: inchos in 78 hours a.t '.'c.rd Districrt, Colorado, Both of
<br />
<br />those vrco..the::t' str.tions o.rc c.bovo olovf':.ti on 9" 000 foot. Thoro "::o.s s orne eDu,,"r..
<br />
<br />fall during the lattor part uf tho storn noc.r the Continentc.l DLide, ['.,,,1
<br />
<br />
<br />st. Elmo, COlore-do, in the ~.~rkmlSo.s 1i-c,ior bo.sin, report 50 inchos.
<br />
<br />27. :.pril 11-16. 1921 stor~',
<br />
<br />The synoptic situation ncsocinted v;ith
<br />
<br />this storm wns typicc.l for criticnl storms :Ln this rq;iol1, i.e., n low pros.
<br />
<br />sure o.l"oa movod into ..:..rizono. and Non IAcxicQ V;h0Il D. hiCh prossuro urea wt'.s
<br />
<br />situnted to the north of Colorado. This scorm oxhibitied c, very steop north
<br />to south prossuro gro.diont with o.ir.flow diroctod almost duo wos.t;wD.rd during
<br />thc oc,rly part of tho storm. Tho 21.-hour wind movomont c.t Donvcr, Colorndo
<br />
<br />vms 625 milos, which is oonsidored vary ne[\r a mnximum condition, The hi'ch-
<br />
<br />
<br />est dew points observod in tho storm wore 50 F at Dodgo City, Kansas, and 54 F
<br />
<br />
<br />at -:richita, Kansas, The major portion of the procipit~,tion foll in the form
<br />
<br />of snow between 6 ;0, !.I, April 14 and 6 F. !:l, Anril 15.
<br />
<br />Tho storJ.~ bOET~:'l as
<br />
<br />rain, but as the temperature dropped during tho niGht of :,pril l~" it turnod
<br />to sn~r. Tho highost amounts of procipit~tion rocorded i~ Colorado for 24-
<br />hours during; the storm worc 7.5 inc"cs at Fry's R~nch, 5.7 inchoD at tho
<br />Fromont Exporimental Station, and 5,5 inchos at Silver Lako, An isohyotal
<br />map for tho total storm period of 43 hours is shovm on plo.to II-6.
<br />28, June 3-5, 1921 storm. The storm situation of Juno 3-5, 1921
<br />began with a southward movement of an anticyclone of cF air oy,;r tho cen-
<br />
<br />tral plains statGs alId the northward movement of mT air ovor the western
<br />
<br />states. By 6 A, I,;, of Juno 3, tho vledgo of oP air occupied n0St of tLe
<br />
<br />nerth.central Unitod States and extended into no,.thern Texns, :J.'Gllong
<br />
<br />eastorly winds had developed over eastern Colorado by 6 p. M, of June 3,
<br />
<br />and the cP ail' being imported by those winds was effoctively b locc:inc; the
<br />northward displacomo~lt fir air at the surface noar Pueblo. Colerado. Oro-
<br />graphic lifting; of t he tropical naritime air and vm.ve action caused very
<br />intenso rains to occur ovor tho Arkansas Rivur basin betvloon Pueblo, Colorado
<br />
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<br />
<br />Ul-18
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