WSP08558 - Laserfiche WebLink

Home Browse Search

00220 2 percent with the seasonal accumulations about the same precipitation below Flaming Gorge was slightly higher, percent for the Duchesne and Price Basins and 100 to 120 and White Rivers. Seasonal precipitation below Flaming averaging 120 to 150 percent. . percentage. January averaging 80 to 100 percent for the Yampa Gorge is also higher The mountain snowpack on the upper Green River above Flaming Gorge is well below average ... near 70 percent. Below Flaming Gorge, snowpacks range from 100 to 130 percent. The San Rafael basin has the highest basin snowpack at 129 percent. January flow on the Green River at Green River, Utah, was 178,840 acre-feet, 156 percent of average and brought the seasonal total to 973,240 acre-feet, 147 percent of normal. Flow on the Yampa River at Steamboat Springs was 7,200 acre-feet, 129 percent while the seasonal, October thru January, total was 40,100 acre-feet at 165 percent. Reservoir storage in Fontenelle as of January 31 was 172,400 acre-feet, 72 percent of average and 50 percent of capacity. Flaming Gorge storage was 3,190,500 acre-feet, 135 percent of average and 85 percent of capacity. SAN JUAN RIVER BASIN: The water supply outlook for the San Juan Basin is above normal with forecasts ranging from about 120 to 140 percent of average. Below normal January precipitation at higher elevations resulted in a decrease, from January 1 expectations, down as much as 15 percent in some of the headwater areas while the downstream forecasts remained near the same as those issued last month. Precipitation during January was near normal over most of the basin with amounts ranging from 122 percent at Durango, Colorado, to 93 percent at Bloomfield, New Mexico. The exception to the normal pattern was at Farmington, New Mexico which reported only 48 percent of normal. Seasonal precipitation, October thru January, remains higher than normal above Navajo Reservoir and near normal below the Reservoir. Snow surveys conducted on February 1 indicate an average snow pad, of 122 percent of normal, compared to 135 percent on January 1 and 136 percent a year ago at this time. Streamflow during January remained high throughout the basin with the flow on the San Juan River near Bluff, Utah, at 90,100 acre-feet, 187 percent of normal. Inflow to Navajo Reservoir was 34,600 acre-feet, 208 percent of normal, while seasonal flow into the reservoir has been 241,000 acre-feet, 262 percent. Storage in percent of this time. Navajo Reservoir on January 31, 1985 was 1.46 million acre-feet, 184 normal, 86 percent of capacity and about the same as last year at The possibility of snowmelt flooding this last several weeks but is still a threat in an adverse snowmelt pattern should occur. spring has been reduced during the low lying and flood prone areas if