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<br />wide. 'rlater isuptotheFar'l1er'sMillandthedepot. Allbridqe5 <br />;ntn'Jcitiareoutordllfl'Jerous." The peak diSC'><lrge dt Lyons..as <br />2,07.0 c. t. s. on 7 JunE) 'wl icll ~'as 10. ;nq icat iva 01 ccnd i tio~s ~t <br />Lcng=nt beCIlU5{l 01 heavy rains dO>l,1~trn<lm of Lvons. f'notoqrar,hs <br />onpaqesl5an<! Ibweret;,lkendurinqthisIIO<X1. <br /> <br />2.~i.!}~7 - C}uring he nig~t o' '3 and 9 '~"y ar,proxi"",telv <br />l to 5 i nc~es of ra i n Ie II Over the ent i roO biOS i n of St. 'ire> i n Creek. <br />Toe rain began abOut IOp.m. und stooped about 6".m. ",ithSt. Vr"in <br />Creek D"MKir.g at Lyons aoout I a.r,. on 9 ~!ay at :5.060 c.l.s. p, <br />peaK 01 9,450 c. I .5. reached t~e mouth 01 the creek at 12: 15 a.m. <br />on IO'-1ay. Irrigation Civersion works and bridges beheen Lyons <br />anO Longment were da""'ged or destroyed. P~otoqrap~s on page 17 <br />were taken during this Ilood. <br /> <br />22.. ..!.un_e_I.!.4J., ~ Th" maximu.., peak d ischargo on St. Vr"in <br />(;reekatLyons is IO.500c.I.5.0122June 1'141. Little information <br />is reaOilyavai!abiG On this Ilood o)<cepttr-,at itori'linatedrnostly <br />on South St. Vra i n Creek ,,~~ th;Jt it pea"ed rap id I Y at Lvoes. It <br />isassuI1'1fldthatanoxtremely localized cloudburst occurred over <br />South St. Vrain Creek a short distance jr,treCl'" from LyonS,3nd th at <br />minor bartk Qvedjo~, occurred In r~ral areas uostream trom Lonqmont. <br /> <br />1:::"1 ~n~ :!..u~e_I~62.. - Heavy r3inf311 combined with sno","eit <br />rUllOttc<lusedrrolongedh.ghllowsonSt.VrainCreek. Theworst <br />1 I ood i n9 occurred On 7 and 8 '~3y and I rorn I S to Z I June. Roads <br />and bridges" 10"9 Ihe str~dm wer~ "xtefl' iv.,1 y 6"""'g,,d. ,tredm "a"ks <br />were eroded, farmlan<ls were tloode<:J. The peakdischar'le at Lyons <br />waS 2,9UO c. I. s. on 7 ~:av and at the creek "lOuth. 10,300 c. I. s. <br />on 8 Nay. An aerial ~hotograoh on t~e Iront ot this r~port shows <br />tneoxtentolba"koverllowofSt.Vrainl;rfleknearLoncrxm"t <br />dur ing t~ i s 1 I oed ; ng. <br /> <br />::.:Lu~e_I2.4'!. ~ St. Vraln Creek neaKod at 2,9n c.l.s. at <br />Lyons on 4 June 1949. The croe~ was out 0' its Mnks most of th<J <br />month 01 June duo to hQi.lvy and prol onged r~i nf~ Ii anO unu$uiOlly <br />r-vy snowmel t runol'. Sixteen hr i d'1<1s "pre d~"11agec and cut 01 <br />use, "i th t>lO c"",,~1 ete Iy destrcyed. Irrigat ion 1ilildwor~5 "ere <br /> <br />extensively ddrn~~"J. <br /> <br />In Longmont. 10 ~es itnd 5 bu~.in()SSe5 "or~ <br /> <br />floo,jed. <br /> <br />~~U.s.U.~t_I'::5.!. - Heavy rain occurred in tho St. '1r<!ir <br />Cr80k ~a~i n our i ng the afterr'!<Xln "nd night 01 3 ~,ugU"t I 9.,1 . <br />Lyons received 6.3 incres Ir~ a clou~hurst thnt opoan ~bout " <br />p.i1. FiooJinq res~lted In toe renc~ IrOlT' LY').~5 to .hl ",outn 01 <br />St. VrJ i r Cree;';. Flood dura~ ion was less than I Z ~ours. The <br /> <br />rc..~k tisdurge " Lvons ,,~s 5.;00 C.I.5. '"' " , poi ~t , miiee, <br />l-clst 0' Lon'lrnont ".,lS O5tim<ltOG " 6,2JU C.I.5. R~ II road ~rlQ r_ich_ <br />,'ay tJridqos ~,,<-)r LOrl'lmcnt ,.ere s(w"relv o~"a'lec . "drmers ;0 tn,' <br /> <br />0'-. V-oj ie vel I I;;v lost mvch 1r"in 'lireddY 5hockod in t~e fields. <br /> <br />" <br /> <br />15 <br />