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 6 , 2007 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .8 1.2 67* 5.3 2.8 189 COTTONWOOD CREEK 7600 1.9 1.5 127* 5.1 3.9 131 GRANITE CREEK 6770 .9 1.0 90* 4.2 2.4 175 GRASSY LAKE 7265 1.7 2.4 71* 6.7 4.5 149 GROS VENTRE SUMMIT 8750 2.5 1.8 139 4.1 2.3 178 LEWIS LAKE DIVIDE 7850 1.3 2.2 59* 6.1 4.4 139 PHILLIPS BENCH 8200 1.6 2.2 73* 5.4 3.3 164 SALT RIVER SUMMIT 7600 .2 .7 29* 2.5 2.5 100 SNAKE RIVER STATION 6920 .0 1.1 0* 5.2 3.0 173 SPRING CREEK DIVIDE 9000 1.9 2.3 83* 3.4 3.5 97 THUMB DIVIDE 7980 .5 1.3 38* 4.6 2.7 170 TOGWOTEE PASS 9580 4.9 3.4 144 6.0 3.6 167 TWO OCEAN PLATEAU 9240 5.9 4.0 148 6.5 4.0 162 WILLOW CREEK 8450 2.0 2.8 71* 6.9 4.7 147 ----- ----- Basin wide percent of average 94* 151 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 5.0 3.4 147 4.9 2.8 175 BLACK BEAR 8170 4.3 3.8 113* 6.9 4.8 144 CANYON 8090 1.4 1.1 127* 4.2 2.4 175 FISHER CREEK 9100 5.8 3.7 157* 7.0 4.5 156 MADISON PLATEAU 7750 1.8 2.3 78* 5.2 3.4 153 NORTHEAST ENTRANCE 7350 .0 .6 0* 3.3 2.0 165 PARKER PEAK 9400 4.7 3.2 147 5.8 2.9 200 SYLVAN LAKE 8420 2.3 2.7 85 6.1 3.4 179 THUMB DIVIDE 7980 .5 1.3 38* 4.6 2.7 170 TWO OCEAN PLATEAU 9240 5.9 4.0 148 6.5 4.0 162 WHISKEY CREEK 6800 1.0 1.2 83* 4.7 2.9 162 WHITE MILL 8700 4.3 2.7 159 5.4 3.6 150 WOLVERINE 7650 .0 .9 0* 3.6 2.3 157 ----- ----- Basin wide percent of average 120* 164 WIND RIVER BURROUGHS CREEK 8750 2.0 1.4 143* 4.2 2.2 191 COLD SPRINGS 9630 .0 1.5 0 2.4 2.4 100 DEER PARK 9700 1.5 3.1 48 3.3 3.4 97 HOBBS PARK 10100 1.6 2.8 57 3.2 2.6 123 LITTLE WARM 9370 1.1 1.5 73 3.2 2.3 139 SOUTH PASS 9040 .0 2.1 0 2.5 2.8 89 ST. LAWRENCE ALT 8620 .2 1.2 17 1.5 2.1 71 TOGWOTEE PASS 9580 4.9 3.4 144 6.0 3.6 167 TOWNSEND CREEK 8700 .2 1.4 14 2.6 2.6 100 ----- ----- Basin wide percent of average 62 120 BIGHORN BASIN BALD MTN. 9380 3.2 3.4 94 3.7 3.0 123 BEAR TRAP MEADOW 8200 .9 .8 112 2.3 2.1 110 BLACKWATER 9780 5.2 3.9 133 5.2 3.5 149 BONE SPRINGS DIV 9350 2.7 3.2 84 4.3 3.0 143 EVENING STAR 9200 4.3 3.7 116 6.7 3.8 176 GRAVE SPRINGS 8550 1.4 1.5 93 2.9 2.4 121 KIRWIN 9550 3.8 2.3 165 5.1 2.3 222 MARQUETTE 8760 .0 2.3 0 3.3 2.7 122 MIDDLE POWDER 7760 1.8 1.7 106 2.8 3.1 90 OWL CREEK 8975 1.0 1.1 91 2.7 1.4 193 POWDER RIVER PASS 9480 1.7 1.7 100 3.6 2.4 150 SHELL CREEK 9580 4.5 3.1 145 5.1 2.5 204 SYLVAN LAKE 8420 2.3 2.7 85 6.1 3.4 179 SYLVAN ROAD 7120 .0 .9 0* 5.3 2.9 183 TIMBER CREEK 7950 .4 1.4 29 3.5 1.9 184 YOUNTS PEAK 8350 2.6 1.9 137 5.7 2.5 228 ----- ----- Basin wide percent of average 101 159 SHOSHONE RIVER BLACKWATER 9780 5.2 3.9 133 5.2 3.5 149 EVENING STAR 9200 4.3 3.7 116 6.7 3.8 176 KIRWIN 9550 3.8 2.3 165 5.1 2.3 222 MARQUETTE 8760 .0 2.3 0 3.3 2.7 122 SYLVAN LAKE 8420 2.3 2.7 85 6.1 3.4 179 SYLVAN ROAD 7120 .0 .9 0* 5.3 2.9 183 YOUNTS PEAK 8350 2.6 1.9 137 5.7 2.5 228 ----- ----- Basin wide percent of average 103 177 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .8 112 2.3 2.1 110 BIG GOOSE 7990 1.4 1.1 127* 4.5 2.3 196 BONE SPRINGS DIV 9350 2.7 3.2 84 4.3 3.0 143 BURGESS JUNCTION 7880 1.6 2.0 80 3.6 2.6 138 CLOUD PEAK RESERVOIR 9860 3.1 2.0 155 5.7 3.1 184 DOME LAKE 8880 2.1 2.4 88 4.8 3.0 160 GRAVE SPRINGS 8550 1.4 1.5 93 2.9 2.4 121 HANSEN SAWMILL 8360 1.1 1.0 110 3.5 2.1 167 MIDDLE POWDER 7760 1.8 1.7 106 2.8 3.1 90 POWDER RIVER PASS 9480 1.7 1.7 100 3.6 2.4 150 SUCKER CREEK 8880 2.1 1.8 117 4.2 2.8 150 TIE CREEK 6870 .0 1.0 0 3.1 2.8 111 ----- ----- Basin wide percent of average 99 143 BELLE FOURCHE BLIND PARK 6890 .0 .9 0 1.5 3.0 50 COLE CANYON 5910 .0 1.1 0 1.1 -M * NORTH RAPID CREEK 6130 .0 .7 0* 1.1 2.8 39 ----- ----- Basin wide percent of average 0 45 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 1.5 0* 3.9 3.1 126 DIVIDE PEAK 8860 1.9 2.3 83 3.3 3.4 97 ELK RIVER 8700 .4 1.0 40* 3.2 2.8 114 JOE WRIGHT 10120 2.5 3.3 76 5.4 4.2 129 NORTH FRENCH CREEK 10130 3.1 4.0 78 4.6 4.2 110 OLD BATTLE 9920 2.9 4.1 71 4.8 4.6 104 SAGE CREEK BASIN 7850 .0 1.3 0 2.8 1.9 147 SOUTH BRUSH CREEK 8440 1.1 1.1 100* 3.8 3.1 123 TOWER 10500 3.2 5.1 63* 5.3 5.2 102 WEBBER SPRINGS 9250 1.4 2.7 52 3.9 4.0 98 WILLOW CREEK PASS 9540 2.8 1.6 175 3.2 2.5 128 ----- ----- Basin wide percent of average 69 113 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 1.6 2.8 57 3.1 3.2 97 CASPER MTN. 7850 1.2 2.3 52 3.7 3.0 123 DEADMAN HILL 10220 3.3 2.8 118 3.6 3.0 120 DEER PARK 9700 1.5 3.1 48 3.3 3.4 97 LAPRELE CREEK 8375 .1 1.4 7 2.2 2.4 92 RENO HILL 8500 2.0 2.2 91 4.0 3.0 133 ROACH 9700 1.9 1.8 106* 3.4 2.9 117 SAND LAKE 10050 4.2 4.3 98 5.1 3.9 131 SOUTH PASS 9040 .0 2.1 0 2.5 2.8 89 WINDY PEAK 7900 .5 .9 56 1.7 2.1 81 ----- ----- Basin wide percent of average 69 110 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .8 * 2.3 2.4 96 DIVIDE PEAK 8860 1.9 2.3 83 3.3 3.4 97 OLD BATTLE 9920 2.9 4.1 71 4.8 4.6 104 SANDSTONE RS 8150 .2 .8 25* 2.4 2.9 83 WHISKEY PARK 8950 1.8 2.5 72* 4.3 3.8 113 ----- ----- Basin wide percent of average 70* 100 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.4 1.7 82 2.1 2.3 91 BLIND BULL SUM 8900 1.8 2.5 72* 3.2 3.0 107 EAST RIM DIVIDE 7930 .0 1.1 0* 2.0 1.8 111 ELKHART PARK G.S. 9400 1.1 1.3 85* 2.3 2.4 96 GROS VENTRE SUMMIT 8750 2.5 1.8 139 4.1 2.3 178 KENDALL R.S. 7740 .3 1.1 27* 2.3 2.0 115 LOOMIS PARK 8240 .6 1.5 40* 2.5 2.4 104 NEW FORK LAKE 8340 .7 .9 78* 2.2 2.0 110 SNIDER BASIN 8060 .2 1.2 17* 1.8 2.2 82 SPRING CREEK DIVIDE 9000 1.9 2.3 83* 3.4 3.5 97 TRIPLE PEAK 8500 2.2 2.0 110* 4.6 3.0 153 ----- ----- Basin wide percent of average 73* 113 LOWER GREEN RIVER HAMS FORK 7840 .0 .8 0* 1.7 1.8 94 HEWINTA 9500 -M 1.1 * 4.5 2.9 155 HICKERSON PARK 9100 .0 .6 0* 2.8 2.0 140 HOLE-IN-ROCK 9150 .0 .7 0* 3.5 1.9 184 INDIAN CREEK 9425 1.5 2.4 62* 2.8 3.4 82 KELLEY R.S. 8180 .4 1.5 27* 2.9 2.8 104 STEEL CREEK PARK 10100 -M 2.1 * 4.8 2.9 166 ----- ----- Basin wide percent of average 32* 130 UPPER BEAR RIVER BUG LAKE 7950 -M 1.7 * 1.2 3.0 40 HAYDEN FORK 9100 .2 1.2 17* 3.6 3.1 116 KELLEY R.S. 8180 .4 1.5 27* 2.9 2.8 104 LILY LAKE 9050 .2 1.3 15* 3.7 3.0 123 MONTE CRISTO 8960 .4 2.2 18* 3.1 3.6 86 SALT RIVER SUMMIT 7600 .2 .7 29* 2.5 2.5 100 TRIAL LAKE 9960 1.2 2.5 48* 3.0 3.5 86 ----- ----- Basin wide percent of average 28* 93 ----------------------------------------------------------------------------- -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.