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 MONDAY: NOVEMBER 5 , 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 1.1 73* 5.3 2.6 204 COTTONWOOD CREEK 7600 1.9 1.4 136* 5.1 3.8 134 GRANITE CREEK 6770 .9 .9 100* 4.3 2.3 187 GRASSY LAKE 7265 1.5 2.2 68* 6.7 4.3 156 GROS VENTRE SUMMIT 8750 2.6 1.7 153 4.1 2.2 186 LEWIS LAKE DIVIDE 7850 1.4 2.0 70* 6.2 4.2 148 PHILLIPS BENCH 8200 1.6 2.0 80* 5.5 3.2 172 SALT RIVER SUMMIT 7600 .2 .6 33* 2.5 2.4 104 SNAKE RIVER STATION 6920 .0 1.0 0* 5.2 2.8 186 SPRING CREEK DIVIDE 9000 1.9 2.2 86* 3.4 3.3 103 THUMB DIVIDE 7980 .6 1.2 50* 4.6 2.5 184 TOGWOTEE PASS 9580 4.9 3.2 153 6.0 3.5 171 TWO OCEAN PLATEAU 9240 6.0 3.8 158 6.5 3.9 167 WILLOW CREEK 8450 1.9 2.6 73* 6.9 4.5 153 ----- ----- Basin wide percent of average 101* 159 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 5.1 3.3 155 4.9 2.7 181 BLACK BEAR 8170 4.3 3.6 119* 6.9 4.5 153 CANYON 8090 1.4 1.0 140* 4.2 2.3 183 FISHER CREEK 9100 5.9 3.5 169* 7.0 4.3 163 MADISON PLATEAU 7750 1.8 2.2 82* 5.2 3.2 162 NORTHEAST ENTRANCE 7350 .1 .5 20* 3.4 1.9 179 PARKER PEAK 9400 4.7 3.1 152 5.8 2.8 207 SYLVAN LAKE 8420 2.3 2.5 92 6.1 3.3 185 THUMB DIVIDE 7980 .6 1.2 50* 4.6 2.5 184 TWO OCEAN PLATEAU 9240 6.0 3.8 158 6.5 3.9 167 WHISKEY CREEK 6800 .9 1.1 82* 4.7 2.8 168 WHITE MILL 8700 4.3 2.6 165* 5.3 3.5 151 WOLVERINE 7650 .2 .8 25* 3.6 2.2 164 ----- ----- Basin wide percent of average 129* 171 WIND RIVER BURROUGHS CREEK 8750 2.1 1.3 162* 4.3 2.1 205 COLD SPRINGS 9630 .3 1.4 21 2.4 2.3 104 DEER PARK 9700 1.6 3.0 53 3.3 3.2 103 HOBBS PARK 10100 1.7 2.7 63 3.2 2.5 128 LITTLE WARM 9370 1.1 1.4 79 3.2 2.2 145 SOUTH PASS 9040 .1 2.0 5 2.4 2.7 89 ST. LAWRENCE ALT 8620 .3 1.2 25 1.5 2.0 75 TOGWOTEE PASS 9580 4.9 3.2 153 6.0 3.5 171 TOWNSEND CREEK 8700 .3 1.4 21 2.6 2.5 104 ----- ----- Basin wide percent of average 70 126 BIGHORN BASIN BALD MTN. 9380 3.2 3.3 97 3.7 2.9 128 BEAR TRAP MEADOW 8200 .9 .7 129 2.3 2.0 115 BLACKWATER 9780 5.2 3.7 141 5.2 3.4 153 BONE SPRINGS DIV 9350 2.7 3.1 87 4.1 2.9 141 EVENING STAR 9200 4.3 3.5 123 6.7 3.6 186 GRAVE SPRINGS 8550 1.4 1.4 100 2.8 2.4 117 KIRWIN 9550 3.8 2.2 173 5.1 2.2 232 MARQUETTE 8760 .0 2.2 0 3.3 2.6 127 MIDDLE POWDER 7760 1.9 1.6 119 2.7 3.0 90 OWL CREEK 8975 1.0 1.1 91 2.6 1.3 200 POWDER RIVER PASS 9480 1.7 1.6 106 3.6 2.3 157 SHELL CREEK 9580 4.5 3.0 150 5.1 2.4 212 SYLVAN LAKE 8420 2.3 2.5 92 6.1 3.3 185 SYLVAN ROAD 7120 .2 .8 25* 5.2 2.8 186 TIMBER CREEK 7950 .5 1.3 38 3.4 1.9 179 YOUNTS PEAK 8350 2.6 1.8 144* 5.7 2.3 248 ----- ----- Basin wide percent of average 107 164 SHOSHONE RIVER BLACKWATER 9780 5.2 3.7 141 5.2 3.4 153 EVENING STAR 9200 4.3 3.5 123 6.7 3.6 186 KIRWIN 9550 3.8 2.2 173 5.1 2.2 232 MARQUETTE 8760 .0 2.2 0 3.3 2.6 127 SYLVAN LAKE 8420 2.3 2.5 92 6.1 3.3 185 SYLVAN ROAD 7120 .2 .8 25* 5.2 2.8 186 YOUNTS PEAK 8350 2.6 1.8 144* 5.7 2.3 248 ----- ----- Basin wide percent of average 110 185 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .7 129 2.3 2.0 115 BIG GOOSE 7990 1.5 1.1 136* 4.3 2.3 187 BONE SPRINGS DIV 9350 2.7 3.1 87 4.1 2.9 141 BURGESS JUNCTION 7880 1.5 1.9 79 3.6 2.6 138 CLOUD PEAK RESERVOIR 9860 3.1 1.9 163 5.6 3.0 187 DOME LAKE 8880 2.1 2.3 91 4.7 2.9 162 GRAVE SPRINGS 8550 1.4 1.4 100 2.8 2.4 117 HANSEN SAWMILL 8360 1.1 1.0 110 3.3 2.1 157 MIDDLE POWDER 7760 1.9 1.6 119 2.7 3.0 90 POWDER RIVER PASS 9480 1.7 1.6 106 3.6 2.3 157 SUCKER CREEK 8880 2.1 1.7 124 4.0 2.8 143 TIE CREEK 6870 .0 1.0 0 3.1 2.7 115 ----- ----- Basin wide percent of average 104 142 BELLE FOURCHE BLIND PARK 6890 .3 .9 33* 1.5 2.9 52 COLE CANYON 5910 .0 1.0 0 1.0 -M * NORTH RAPID CREEK 6130 .2 .6 33* 1.1 2.8 39 ----- ----- Basin wide percent of average 20* 46 UPPER N. PLATTE RIVER COLUMBINE 9160 .0 1.4 0* 3.9 3.0 130 DIVIDE PEAK 8860 1.9 2.2 86 3.3 3.3 100 ELK RIVER 8700 .5 1.0 50* 3.2 2.7 119 JOE WRIGHT 10120 2.3 3.2 72 5.4 4.1 132 NORTH FRENCH CREEK 10130 3.1 3.9 79 4.7 4.0 118 OLD BATTLE 9920 2.9 3.9 74 4.8 4.4 109 SAGE CREEK BASIN 7850 .0 1.3 0 2.8 1.9 147 SOUTH BRUSH CREEK 8440 1.1 1.1 100* 3.8 3.0 127 TOWER 10500 3.2 4.8 67* 5.3 5.0 106 WEBBER SPRINGS 9250 1.4 2.6 54* 3.8 3.8 100 WILLOW CREEK PASS 9540 2.7 1.5 180 3.4 2.4 142 ----- ----- Basin wide percent of average 71 118 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 1.7 2.7 63* 3.1 3.1 100 CASPER MTN. 7850 1.2 2.2 55 3.7 2.9 128 DEADMAN HILL 10220 3.3 2.7 122 3.6 3.0 120 DEER PARK 9700 1.6 3.0 53 3.3 3.2 103 LAPRELE CREEK 8375 .3 1.4 21 2.3 2.3 100 RENO HILL 8500 2.1 2.1 100 4.1 2.9 141 ROACH 9700 2.0 1.7 118* 3.4 2.8 121 SAND LAKE 10050 4.3 4.1 105 5.2 3.7 141 SOUTH PASS 9040 .1 2.0 5 2.4 2.7 89 WINDY PEAK 7900 .6 .8 75 1.9 2.1 90 ----- ----- Basin wide percent of average 76 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .7 * 2.3 2.3 100 DIVIDE PEAK 8860 1.9 2.2 86 3.3 3.3 100 OLD BATTLE 9920 2.9 3.9 74 4.8 4.4 109 SANDSTONE RS 8150 .2 .8 25* 2.4 2.8 86 WHISKEY PARK 8950 1.8 2.3 78* 4.3 3.6 119 ----- ----- Basin wide percent of average 74* 104 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.4 1.6 87 2.1 2.2 95 BLIND BULL SUM 8900 1.8 2.4 75* 3.2 2.8 114 EAST RIM DIVIDE 7930 .0 1.0 0* 2.0 1.7 118 ELKHART PARK G.S. 9400 1.2 1.2 100* 2.4 2.3 104 GROS VENTRE SUMMIT 8750 2.6 1.7 153 4.1 2.2 186 KENDALL R.S. 7740 .3 1.0 30* 2.3 1.9 121 LOOMIS PARK 8240 .7 1.4 50* 2.5 2.3 109 NEW FORK LAKE 8340 .6 .9 67* 2.1 1.9 111 SNIDER BASIN 8060 .3 1.1 27* 1.9 2.1 90 SPRING CREEK DIVIDE 9000 1.9 2.2 86* 3.4 3.3 103 TRIPLE PEAK 8500 2.3 1.9 121* 4.7 2.9 162 ----- ----- Basin wide percent of average 80* 120 LOWER GREEN RIVER HAMS FORK 7840 .0 .7 0* 1.6 1.8 89 HEWINTA 9500 -M 1.0 * 4.5 2.8 161 HICKERSON PARK 9100 .0 .6 0* 2.9 2.0 145 HOLE-IN-ROCK 9150 .0 .6 0* 3.5 1.9 184 INDIAN CREEK 9425 1.4 2.2 64* 2.8 3.3 85 KELLEY R.S. 8180 .4 1.4 29* 2.9 2.7 107 STEEL CREEK PARK 10100 -M 2.0 * -M 2.8 * ----- ----- Basin wide percent of average 33* 126 UPPER BEAR RIVER BUG LAKE 7950 -M 1.6 * 1.3 2.8 46 HAYDEN FORK 9100 .2 1.2 17* 3.6 3.0 120 KELLEY R.S. 8180 .4 1.4 29* 2.9 2.7 107 LILY LAKE 9050 .2 1.2 17* 3.7 2.9 128 MONTE CRISTO 8960 .3 2.1 14* 3.3 3.5 94 SALT RIVER SUMMIT 7600 .2 .6 33* 2.5 2.4 104 TRIAL LAKE 9960 1.2 2.4 50* 3.0 3.4 88 ----- ----- Basin wide percent of average 28* 98 ----------------------------------------------------------------------------- -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.