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 TUESDAY: NOVEMBER 2 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.8 .8 225* 3.3 2.2 150 COTTONWOOD CREEK 7600 2.3 1.1 209* 4.5 3.3 136 GRANITE CREEK 6770 1.6 .7 229* 4.2 1.9 221 GRASSY LAKE 7265 3.9 1.7 229* 4.9 3.7 132 GROS VENTRE SUMMIT 8750 2.3 1.5 153 2.9 2.0 145 LEWIS LAKE DIVIDE 7850 4.3 1.5 287* 5.2 3.5 149 PHILLIPS BENCH 8200 3.2 1.6 200* 4.3 2.7 159 SALT RIVER SUMMIT 7600 1.5 .5 300* 3.9 2.1 186 SNAKE RIVER STATION 6920 1.0 .7 143* 3.1 2.4 129 SPRING CREEK DIVIDE 9000 4.9 1.7 288* 5.5 2.9 190 THUMB DIVIDE 7980 2.0 1.0 200* 2.7 2.2 123 TOGWOTEE PASS 9580 3.0 2.8 107 3.2 3.0 107 TWO OCEAN PLATEAU 9240 5.3 3.4 156 4.8 3.4 141 WILLOW CREEK 8450 4.4 2.1 210* 6.2 4.0 155 ----- ----- Basin wide percent of average 197* 149 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.7 2.8 96 3.0 2.3 130 BLACK BEAR 8170 6.7 3.1 216* 7.2 3.8 189 CANYON 8090 1.4 .8 175* 2.5 2.0 125 FISHER CREEK 9100 3.8 3.0 127* 4.6 3.6 128 MADISON PLATEAU 7750 3.3 1.8 183* 4.6 2.8 164 NORTHEAST ENTRANCE 7350 .3 .4 75* 1.4 1.7 82 PARKER PEAK 9400 2.7 2.7 100 2.7 2.5 108 SYLVAN LAKE 8420 3.0 2.1 143* 4.1 2.8 146 THUMB DIVIDE 7980 2.0 1.0 200* 2.7 2.2 123 TWO OCEAN PLATEAU 9240 5.3 3.4 156 4.8 3.4 141 WHISKEY CREEK 6800 1.9 .9 211* 3.8 2.4 158 WHITE MILL 8700 2.5 2.2 114* 2.9 3.0 97 WOLVERINE 7650 .5 .6 83* 1.6 2.0 80 ----- ----- Basin wide percent of average 146* 133 WIND RIVER BURROUGHS CREEK 8750 1.5 1.1 136* 1.7 1.8 94 COLD SPRINGS 9630 1.3 1.2 108 1.8 2.1 86 DEER PARK 9700 6.5 2.8 232 7.4 2.8 264 HOBBS PARK 10100 3.3 2.4 138 3.3 2.3 143 LITTLE WARM 9370 1.7 1.2 142* 2.0 1.9 105 SOUTH PASS 9040 4.4 1.7 259* 5.6 2.3 243 ST. LAWRENCE ALT 8620 .8 1.0 80 1.8 1.9 95 TOGWOTEE PASS 9580 3.0 2.8 107 3.2 3.0 107 TOWNSEND CREEK 8700 1.4 1.2 117 4.2 2.3 183 ----- ----- Basin wide percent of average 155 152 BIGHORN BASIN BALD MTN. 9380 3.6 2.9 124 3.7 2.6 142 BEAR TRAP MEADOW 8200 .8 .6 133 2.7 1.9 142 BLACKWATER 9780 3.1 3.3 94 3.2 2.9 110 BONE SPRINGS DIV 9350 4.3 2.8 154 4.1 2.7 152 EVENING STAR 9200 3.1 3.0 103* 4.3 3.1 139 GRAVE SPRINGS 8550 1.1 1.3 85 2.4 2.2 109 KIRWIN 9550 1.4 2.0 70 1.7 2.0 85 MARQUETTE 8760 .9 2.1 43 1.6 2.5 64 MIDDLE POWDER 7760 1.5 1.4 107* 2.6 2.8 93 OWL CREEK 8975 .3 .9 33 .7 1.2 58 POWDER RIVER PASS 9480 3.3 1.4 236 4.0 2.1 190 SHELL CREEK 9580 3.6 2.8 129 3.5 2.2 159 SYLVAN LAKE 8420 3.0 2.1 143* 4.1 2.8 146 SYLVAN ROAD 7120 1.1 .6 183* 2.9 2.3 126 TIMBER CREEK 7950 .0 1.2 0 .6 1.7 35 YOUNTS PEAK 8350 1.4 1.5 93* 2.5 2.0 125 ----- ----- Basin wide percent of average 109 121 SHOSHONE RIVER BLACKWATER 9780 3.1 3.3 94 3.2 2.9 110 EVENING STAR 9200 3.1 3.0 103* 4.3 3.1 139 KIRWIN 9550 1.4 2.0 70 1.7 2.0 85 MARQUETTE 8760 .9 2.1 43 1.6 2.5 64 SYLVAN LAKE 8420 3.0 2.1 143* 4.1 2.8 146 SYLVAN ROAD 7120 1.1 .6 183* 2.9 2.3 126 YOUNTS PEAK 8350 1.4 1.5 93* 2.5 2.0 125 ----- ----- Basin wide percent of average 96* 115 POWDER-TONGUE BEAR TRAP MEADOW 8200 .8 .6 133 2.7 1.9 142 BIG GOOSE 7990 .9 .9 100* 2.4 2.2 109 BONE SPRINGS DIV 9350 4.3 2.8 154 4.1 2.7 152 BURGESS JUNCTION 7880 1.3 1.7 76 2.7 2.4 113 CLOUD PEAK RESERVOIR 9860 2.6 1.7 153 3.1 2.8 111 DOME LAKE 8880 2.4 2.0 120 3.5 2.7 130 GRAVE SPRINGS 8550 1.1 1.3 85 2.4 2.2 109 HANSEN SAWMILL 8360 .6 .9 67 1.6 1.9 84 MIDDLE POWDER 7760 1.5 1.4 107* 2.6 2.8 93 POWDER RIVER PASS 9480 3.3 1.4 236 4.0 2.1 190 SUCKER CREEK 8880 3.0 1.5 200 3.8 2.6 146 TIE CREEK 6870 .4 .9 44 2.4 2.6 92 ----- ----- Basin wide percent of average 130 122 BELLE FOURCHE BLIND PARK 6890 .5 .7 71* 2.5 2.8 89 COLE CANYON 5910 .3 .9 33 2.2 -M * NORTH RAPID CREEK 6130 .5 .5 100* 1.8 2.6 69 ----- ----- Basin wide percent of average 62* 80 UPPER N. PLATTE RIVER COLUMBINE 9160 .3 1.0 30* 2.8 2.6 108 DIVIDE PEAK 8860 4.2 1.9 221* 6.7 2.9 231 ELK RIVER 8700 1.1 .8 138* 3.8 2.4 158 JOE WRIGHT 10120 3.5 2.8 125 1.6 3.6 44 NORTH FRENCH CREEK 10130 4.1 3.4 121* 4.3 3.6 119 OLD BATTLE 9920 7.8 3.4 229* 8.7 3.9 223 SAGE CREEK BASIN 7850 1.6 1.1 145* 5.7 1.7 335 SOUTH BRUSH CREEK 8440 .6 .9 67* 2.1 2.8 75 TOWER 10500 7.9 4.0 198* 6.8 4.3 158 WEBBER SPRINGS 9250 4.4 2.1 210* 6.0 3.4 176 WILLOW CREEK PASS 9540 1.7 1.3 131* 2.0 2.2 91 ----- ----- Basin wide percent of average 164* 151 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 1.5 2.4 62* 2.6 2.7 96 CASPER MTN. 7850 1.4 1.9 74 2.8 2.7 104 DEADMAN HILL 10220 3.6 2.4 150 2.9 2.7 107 DEER PARK 9700 6.5 2.8 232 7.4 2.8 264 LAPRELE CREEK 8375 .7 1.2 58 2.2 2.1 105 RENO HILL 8500 1.0 1.9 53 2.1 2.7 78 ROACH 9700 1.2 1.4 86* 3.0 2.5 120 SAND LAKE 10050 5.0 3.6 139* 3.8 3.3 115 SOUTH PASS 9040 4.4 1.7 259* 5.6 2.3 243 WINDY PEAK 7900 .0 .7 0* 1.5 1.9 79 ----- ----- Basin wide percent of average 126 132 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .8 .6 133* 3.4 2.1 162 DIVIDE PEAK 8860 4.2 1.9 221* 6.7 2.9 231 OLD BATTLE 9920 7.8 3.4 229* 8.7 3.9 223 SANDSTONE RS 8150 1.4 .6 233* 4.7 2.5 188 WHISKEY PARK 8950 3.7 1.9 195* 6.5 3.2 203 ----- ----- Basin wide percent of average 213* 205 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.0 1.4 357* 5.3 2.0 265 BLIND BULL SUM 8900 3.5 2.0 175* 3.6 2.4 150 EAST RIM DIVIDE 7930 .7 .8 87* 2.1 1.5 140 ELKHART PARK G.S. 9400 3.4 1.0 340* 4.3 2.1 205 GROS VENTRE SUMMIT 8750 2.3 1.5 153 2.9 2.0 145 KENDALL R.S. 7740 1.7 .8 212* 3.5 1.7 206 LOOMIS PARK 8240 2.2 1.1 200* 3.3 2.0 165 NEW FORK LAKE 8340 1.4 .7 200* 2.2 1.7 129 SNIDER BASIN 8060 2.3 .9 256* 3.4 1.8 189 SPRING CREEK DIVIDE 9000 4.9 1.7 288* 5.5 2.9 190 TRIPLE PEAK 8500 2.6 1.4 186* 4.0 2.4 167 ----- ----- Basin wide percent of average 226* 178 LOWER GREEN RIVER HAMS FORK 7840 1.6 .6 267* 3.8 1.6 237 HEWINTA 9500 .5 .9 56* 3.1 2.6 119 HICKERSON PARK 9100 1.1 .5 220* 3.5 1.8 194 HOLE-IN-ROCK 9150 1.6 .5 320* 3.4 1.7 200 INDIAN CREEK 9425 5.9 1.8 328* 6.0 2.8 214 KELLEY R.S. 8180 4.3 1.1 391* 5.6 2.3 243 STEEL CREEK PARK 10100 3.7 1.8 206* 3.9 2.5 156 ----- ----- Basin wide percent of average 260* 192 UPPER BEAR RIVER BUG LAKE 7950 2.7 1.4 193* 4.9 2.5 196 HAYDEN FORK 9100 3.9 1.0 390* 6.6 2.6 254 KELLEY R.S. 8180 4.3 1.1 391* 5.6 2.3 243 LILY LAKE 9050 2.7 1.1 245* 5.3 2.6 204 MONTE CRISTO 8960 6.1 1.8 339* 6.9 3.0 230 SALT RIVER SUMMIT 7600 1.5 .5 300* 3.9 2.1 186 TRIAL LAKE 9960 7.1 2.1 338* 9.0 3.0 300 ----- ----- Basin wide percent of average 314* 233 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values 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 1971-2000. 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.