WSP06142 - Laserfiche WebLink

Home Browse Search

~ - 2 - . January precipitation over southern Utah was much below normal over most of the area. Amounts ranged from 7% at Veyo Power House near St. George to 38% at Milford. Seasonal (October through Ja~uary) precipitation is well above normal over the Sevier and Beaver Basins. However the Virgin River basin is near normal. Amounts ranged from 63% at New Harmony to 198% ~t Scipio and 192% at Beaver Power House. Soil Conservation Service snow measurements on February 1 indicate well above normal snov~acks: Upper Sevier, 1IS%; Lower Sevier, 176%; Beaver, 201% and Virgin River Basin, 87%. Seasonal runoff continues at record levels with the Sevier at Hatch, 31,400 ~cre- feet, 215% of normal; inflow Sigurd to Gunnison, 94,600 acre-feet, 362%; Sevier River at Gunnison, 193,500 acre-feet, 417%; and the Beaver River near Beaver, S:L00 acre-fe~t, 205% of aver~ge. Reservoir Storage in the Sevier Basin is well above ~orillal ~rith the combined contents of Otter Creek, Pi ute and Sevier Bridge reservoi~s at 91% of c~pacity a~d 198% of average for this date. Flood potential for the spring is high, particularly in the lower Sevier basin (,';here flood prone loVJ lying areas s.r'? suscep~i81e. How"ever "the degree of flooc.ir..g will depend on the spri~g weether regi~e. A cold, we~ spring wiil in~re2se the flc,od potential.. a dry spring with moderate te!1.pere.::urss -.vill reduce the threat of' flooding. EiiSTLQN U':'A..~: '!later supply for Lnis :;rear re!p..air.'s high Jespi te below r:crne.l precipi ta tion for Janue.r:i. February 1 forecasts Cropped 10 to 30% 2.r:o. new !'arsc fr')!l1 117 percent i~ Lake Fork basin to g~e~te~ than 200 percen~ fo~ drainages of the e~stern slopes 01 the W2sa~ch mountains. Flood potential s~ill remains hi~h for this spri~g. January precipitatio~ totals aYer~ged under ~O per2ent. through Janua~J), eascern Utah is ~ell above ncr3al 120 Seasonally (Occooer ~o 160 percen~ o~ nor~al. 3p.ow sur'T-=~ls in February 1 ir~dica te above nor:nal 3nowpacks., Ni th only small i!lc!'eases since January 1. Some basin 2."f,=rages are: Stra'Nberry 149% ~ Duchesne 131%, Price 159~, Huntington 183% and San Rafael 192%. Flows fell considerably during J~nuary; however, Green River at Green River, Utah still broke the January record. T~e volume during January was 175,100 acre-feec, 151%. IVhicerocks near ;/Vhiterocks, Utah had 2,100 acre-feet, 163%. October through January flow on the Green River at Green River, Utah was 1.085 ~llion acre-feet~ 22L% of the 1961-.'30 average. February 1, 198L storage in Flaming Gorge ~eseriJoi!' is 3.31 i:lillion acre-feet.. 140% ,)1" average 3.nd 38% of capacity. Lake Po'uell end-of -month stors.ge is 22.0 million ~cre-ieet, S3% of capacity. ~he April-July inflow forecast to Lake Powell is 12.4 million acre-feet, 166% of average.