Supercell over Laramie
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Wyoming Snow Precipitation Update

United States Natural Resources Water and Climate Center Department of Conservation Portland, Oregon Agriculture Service S N O W - P R E C I P I T A T I O N U P D A T E Based on Mountain Data from NRCS SNOTEL Sites As of THURSDAY: JANUARY 30 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 22.4 12.2 184 26.8 16.0 168 COTTONWOOD CREEK 7600 22.8 13.7 166 24.9 17.0 146 GRANITE CREEK 6770 24.2 12.0 202 22.4 16.9 133 GRASSY LAKE 7265 35.2 22.5 156 38.0 25.9 147 GROS VENTRE SUMMIT 8775 17.6 10.4 169 13.1 11.4 115 LEWIS LAKE DIVIDE 7860 42.6 22.3 191 37.1 26.4 141 PHILLIPS BENCH 8200 31.8 18.9 168 27.7 20.8 133 SALT RIVER SUMMIT 7600 18.1 8.8 206 19.5 12.1 161 SNAKE RIVER STATION 6920 20.5 12.1 169 27.5 18.2 151 SPRING CREEK DIVIDE 9000 29.4 17.8 165 20.1 19.0 106 THUMB DIVIDE 7980 25.4 11.2 227 21.0 15.0 140 TOGWOTEE PASS 9580 26.6 16.5 161 21.7 19.7 110 TWO OCEAN PLATEAU 9360 34.4 17.9 192 29.0 22.0 132 WILLOW CREEK 8450 30.9 20.5 151 34.0 22.3 152 ----- ----- Basin wide percent of average 176 138 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 27.2 15.7 173 -M 11.9 * BLACK BEAR 7950 47.3 23.9 198 -M 25.9 * CANYON 7940 18.3 8.1 226 21.1 9.7 218 FISHER CREEK 9100 43.0 23.7 181 -M 24.0 * MADISON PLATEAU 7750 31.0 15.7 197 30.0 16.9 178 NORTHEAST ENTRANCE 7350 8.8 6.3 140 15.0 8.1 185 PARKER PEAK 9400 23.9 14.1 170 -M 10.3 * SYLVAN LAKE 8420 23.3 14.7 159 -M 13.0 * THUMB DIVIDE 7980 25.4 11.2 227 21.0 15.0 140 TWO OCEAN PLATEAU 9360 34.4 17.9 192 29.0 22.0 132 WHISKEY CREEK 6800 19.1 10.9 175 23.3 14.1 165 WHITE MILL 8700 29.4 16.5 178 -M 18.9 * WOLVERINE 7650 11.3 7.7 147 11.5 8.6 134 ----- ----- Basin wide percent of average 184 160 WIND RIVER BURROUGHS CREEK 8750 19.3 10.2 189 -M 11.1 * CHRISTINA LAKE 9980 17.3 10.0 173 19.5 10.7 182 COLD SPRINGS 9630 7.8 5.7 137 8.6 6.8 126 HOBBS PARK 10100 13.7 9.9 138 10.5 9.1 115 LITTLE WARM 9620 13.5 7.1 190 14.8 8.8 168 SOUTH PASS 9040 -M 11.1 * 21.1 10.6 199 ST. LAWRENCE ALT 8620 5.9 4.7 126 7.1 6.2 115 TOGWOTEE PASS 9580 26.6 16.5 161 21.7 19.7 110 TOWNSEND CREEK 8700 8.1 6.1 133 9.4 7.7 122 ----- ----- Basin wide percent of average 160 142 BIGHORN BASIN BALD MTN. 9375 15.1 13.6 111 12.4 11.5 108 BEAR TRAP MEADOW 7900 5.5 4.7 117 6.5 5.3 123 BLACKWATER 9780 28.7 13.8 208 21.5 12.0 179 BONE SPRINGS DIV 9350 12.8 10.4 123 11.6 9.2 126 EVENING STAR 9200 31.2 17.5 178 -M 15.0 * GRAVE SPRINGS 8550 8.9 -M * 8.6 6.3 137 KIRWIN 9550 12.2 6.5 188 13.4 6.7 200 LOST CREEK 8080 10.6 8.0 132 11.2 7.6 147 MARQUETTE 8760 7.5 5.0 150 8.0 5.7 140 MIDDLE POWDER 7760 11.2 7.7 145 10.2 7.7 132 OWL CREEK 8975 5.4 2.8 193 4.6 3.7 124 POWDER RIVER PASS 9480 -M 6.9 * 8.5 7.7 110 SHELL CREEK 9580 12.2 10.0 122 9.9 8.7 114 SYLVAN LAKE 8420 23.3 14.7 159 -M 13.0 * SYLVAN ROAD 8120 15.3 8.3 184 21.0 10.9 193 TIMBER CREEK 7950 4.4 3.5 126 4.8 4.1 117 YOUNTS PEAK 8350 18.0 12.0 150 -M 11.1 * ----- ----- Basin wide percent of average 154 142 SHOSHONE RIVER BLACKWATER 9780 28.7 13.8 208 21.5 12.0 179 EVENING STAR 9200 31.2 17.5 178 -M 15.0 * KIRWIN 9550 12.2 6.5 188 13.4 6.7 200 MARQUETTE 8760 7.5 5.0 150 8.0 5.7 140 SYLVAN LAKE 8420 23.3 14.7 159 -M 13.0 * SYLVAN ROAD 8120 15.3 8.3 184 21.0 10.9 193 YOUNTS PEAK 8350 18.0 12.0 150 -M 11.1 * ----- ----- Basin wide percent of average 175 181 POWDER-TONGUE BEAR TRAP MEADOW 7900 5.5 4.7 117 6.5 5.3 123 BONE SPRINGS DIV 9350 12.8 10.4 123 11.6 9.2 126 BURGESS JUNCTION 7880 8.9 7.5 119 9.2 7.0 131 CLOUD PEAK RESERVOIR 9860 13.0 7.8 167 10.5 8.0 131 DOME LAKE 8880 8.9 8.8 101 9.7 8.6 113 GRAVE SPRINGS 8550 8.9 -M * 8.6 6.3 137 HANSEN SAWMILL 8760 5.0 4.5 111 5.4 4.9 110 LOST CREEK 8080 10.6 8.0 132 11.2 7.6 147 MIDDLE POWDER 7760 11.2 7.7 145 10.2 7.7 132 POWDER RIVER PASS 9480 -M 6.9 * 8.5 7.7 110 SUCKER CREEK 8880 10.1 7.3 138 10.1 8.5 119 TIE CREEK 6870 6.0 -M * 8.3 6.7 124 ----- ----- Basin wide percent of average 129 125 BELLE FOURCHE BLIND PARK 6890 7.8 7.1 110 12.1 6.0 202 NORTH RAPID CREEK 6130 7.9 -M * 10.7 -M * WARREN PEAK 6520 13.6 7.1 192 -M 5.1 * ----- ----- Basin wide percent of average 151 202* UPPER N. PLATTE RIVER COLUMBINE 9400 16.1 15.4 105 25.2 16.0 158 DIVIDE PEAK 8800 18.8 13.1 144 19.0 15.8 120 ELK RIVER 8700 21.8 12.2 179 20.3 12.3 165 JOE WRIGHT 10120 18.6 13.8 135 23.4 16.2 144 NORTH FRENCH CREEK 10100 26.0 15.7 166 23.7 14.8 160 OLD BATTLE 10000 33.4 20.1 166 28.8 19.1 151 SOUTH BRUSH CREEK 8400 12.4 7.0 177 13.7 10.6 129 TOWER 10500 46.2 29.4 157 34.6 23.6 147 WEBBER SPRINGS 9200 25.0 17.1 146 28.8 16.4 176 WILLOW CREEK PASS 9540 14.5 7.2 201 11.4 7.7 148 ----- ----- Basin wide percent of average 154 150 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 26.1 15.8 165 21.3 11.9 179 CASPER MTN. 7900 14.3 9.3 154 13.8 8.5 162 CHRISTINA LAKE 9980 17.3 10.0 173 19.5 10.7 182 DEADMAN HILL 10220 12.1 10.9 111 13.5 10.1 134 LAPRELE CREEK 8320 11.3 6.5 174 10.4 7.4 141 RENO HILL 8400 15.9 8.2 194 13.5 11.3 119 ROACH 9700 16.7 10.8 155 17.5 13.9 126 SAND LAKE 10080 27.9 20.8 134 22.1 12.8 173 SOUTH PASS 9040 -M 11.1 * 21.1 10.6 199 WINDY PEAK 7840 7.7 4.4 175 8.8 5.8 152 ----- ----- Basin wide percent of average 154 157 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 13.3 7.2 185 14.3 10.7 134 DIVIDE PEAK 8800 18.8 13.1 144 19.0 15.8 120 OLD BATTLE 10000 33.4 20.1 166 28.8 19.1 151 SANDSTONE RS 8150 16.1 9.1 177 18.2 13.0 140 WHISKEY PARK 8950 29.5 18.1 163 26.4 19.5 135 ----- ----- Basin wide percent of average 164 137 UPPER GREEN RIVER BIG SANDY OPENING 9100 15.8 9.4 168 14.7 11.7 126 BLIND BULL SUM 8650 32.6 18.6 175 20.3 16.4 124 EAST RIM DIVIDE 7930 13.6 9.1 149 14.2 10.9 130 ELKHART PARK G.S. 9400 15.2 8.7 175 15.6 11.5 136 GROS VENTRE SUMMIT 8775 17.6 10.4 169 13.1 11.4 115 KENDALL R.S. 7740 19.3 9.7 199 17.6 11.1 159 LOOMIS PARK 8240 16.8 11.3 149 17.9 13.5 133 NEW FORK LAKE 8340 12.6 7.7 164 11.5 10.4 111 SNIDER BASIN 8250 18.9 9.7 195 16.3 10.9 150 SPRING CREEK DIVIDE 9000 29.4 17.8 165 20.1 19.0 106 TRIPLE PEAK 8500 27.7 17.0 163 30.0 22.2 135 ----- ----- Basin wide percent of average 170 128 LOWER GREEN RIVER HAMS FORK 7840 14.7 7.9 186 12.8 9.6 133 HEWINTA 9500 10.0 6.1 164 10.7 8.3 129 HICKERSON PARK 9150 4.7 3.4 138 6.6 5.9 112 HOLE-IN-ROCK 9150 5.9 3.1 190 7.0 5.9 119 INDIAN CREEK 9425 32.7 17.5 187 20.5 17.9 115 KELLEY R.S. 8180 20.7 10.5 197 23.8 13.4 178 STEEL CREEK PARK 10100 12.2 9.6 127 11.9 8.5 140 ----- ----- Basin wide percent of average 174 134 UPPER BEAR RIVER BUG LAKE 7950 26.4 12.7 208 25.3 12.6 201 HAYDEN FORK 9400 16.6 10.0 166 21.0 11.7 179 KELLEY R.S. 8180 20.7 10.5 197 23.8 13.4 178 LILY LAKE 9050 13.6 8.0 170 15.6 9.4 166 MONTE CRISTO 8960 33.5 16.9 198 28.0 16.2 173 SALT RIVER SUMMIT 7600 18.1 8.8 206 19.5 12.1 161 TRIAL LAKE 9960 30.6 15.5 197 30.0 14.9 201 ----- ----- Basin wide percent of average 194 181 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. If the Basin wide percent of average value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the average value for those sites on this day. Contact your state water supply staff for assistance. Reference period for average conditions is 1961-90. Provisional data, subject to revision. ---------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Normal Snow Water Equivalent and Total Precipitation values If the Basin Index (%) value is flagged as potentially invalid, care should be taken to evaluate if the value is representative of conditions in the basin. The SNOW WATER EQUIVALENT Percent of Median represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the Median value for those sites on this day. The TOTAL PRECIPITATION Percent of Average represents the total precipitation (beginning October 1st) found at selected SNOTEL sites in or near the basin compared to the Average value for those sites on this day. Contact your state water supply staff for assistance. Medians and averages are calculated for the period 1981-2010. Provisional data, subject to revision. * Site -- Either: (a) the current value is missing; (b) the median or average for the day is not available or is zero; or (c) for snow water equivalent, the median for the day is less than 10% of the maximum median value for the year. * Basin - More than half of the sites within the basin are flagged with *, preventing the calculation of a meaningful basin index. The basin index is calculated as the sum of the valid current values divided by the sum of the corresponding medians (for snow water equivalent) or averages (for precipitation) and the resulting fraction multiplied by 100.