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 WEDNESDAY: NOVEMBER 2 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .8 0* 3.6 2.2 164 COTTONWOOD CREEK 7670 .2 1.1 18* 4.8 3.3 145 GRAND TARGHEE 9260 2.9 -M * 5.3 -M * GRANITE CREEK 6770 .1 .6 17* 2.5 1.9 132 GRASSY LAKE 7265 .4 1.7 24* 5.2 3.6 144 GROS VENTRE SUMMIT 8750 .4 1.5 27 2.0 2.0 100 GUNSIGHT PASS 9820 .6 -M * 2.2 -M * LEWIS LAKE DIVIDE 7850 .3 1.5 20* 4.5 3.4 132 PHILLIPS BENCH 8200 .0 1.6 0* 2.4 2.6 92 SALT RIVER SUMMIT 7760 .1 .4 25* 2.1 2.1 100 SNAKE RIVER STATION 6920 .1 .7 14* 4.0 2.4 167 SPRING CREEK DIVIDE 9000 1.4 1.7 82* 3.3 2.8 118 THUMB DIVIDE 7980 .1 .9 11* 3.1 2.2 141 TOGWOTEE PASS 9580 1.5 2.8 54* 3.5 3.0 117 TWO OCEAN PLATEAU 9240 4.3 3.3 130 3.9 3.3 118 WILLOW CREEK 8380 .0 2.1 0* 5.3 4.0 133 ----- ----- Basin wide percent of average 43* 129 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 3.1 2.9 107 3.5 2.3 152 BLACK BEAR 8170 2.6 3.0 87* 5.7 3.8 150 CANYON 7870 .7 .7 100* 2.3 2.0 115 FISHER CREEK 9100 2.6 2.9 90* 5.1 3.6 142 MADISON PLATEAU 7750 .9 1.8 50* 4.5 2.7 167 NORTHEAST ENTRANCE 7350 .0 .4 0* 2.3 1.7 135 PARKER PEAK 9400 2.7 2.8 96 4.8 2.5 192 SYLVAN LAKE 8420 .6 2.1 29* 4.4 2.8 157 THUMB DIVIDE 7980 .1 .9 11* 3.1 2.2 141 TWO OCEAN PLATEAU 9240 4.3 3.3 130 3.9 3.3 118 WHISKEY CREEK 6800 .4 .9 44* 3.7 2.4 154 WHITE MILL 8700 1.5 2.1 71* 4.0 2.9 138 WOLVERINE 7650 .9 .6 150* 3.7 2.0 185 ----- ----- Basin wide percent of average 84* 149 WIND RIVER BURROUGHS CREEK 8750 .4 1.1 36* 1.7 1.8 94 CASTLE CREEK 8400 .3 -M * 1.5 -M * COLD SPRINGS 9630 .7 1.2 58 2.2 2.1 105 DEER PARK 9700 1.2 2.7 44 3.0 2.7 111 HOBBS PARK 10100 2.6 2.4 108 3.0 2.3 130 LITTLE WARM 9370 .2 1.1 18* 1.8 1.9 95 SOUTH PASS 9040 .8 1.6 50* 2.5 2.3 109 ST. LAWRENCE ALT 8620 .3 1.0 30 1.6 1.9 84 TOGWOTEE PASS 9580 1.5 2.8 54* 3.5 3.0 117 TOWNSEND CREEK 8700 .9 1.2 75 3.2 2.3 139 ----- ----- Basin wide percent of average 57 111 BIGHORN BASIN BALD MTN. 9380 4.2 2.9 145 4.2 2.6 162 BEAR TRAP MEADOW 8200 .0 .6 0 2.1 1.9 111 BLACKWATER 9780 3.9 3.3 118 4.2 2.9 145 BONE SPRINGS DIV 9350 4.4 2.7 163 4.8 2.7 178 EVENING STAR 9200 2.5 3.0 83* 5.3 3.0 177 GRAVE SPRINGS 8550 .0 1.3 0 2.4 2.2 109 KIRWIN 9550 2.2 2.0 110 3.4 2.0 170 MARQUETTE 8760 .4 -M * 3.7 2.5 148 MIDDLE POWDER 7760 .5 1.4 36* 4.3 2.8 154 OWL CREEK 8975 .8 .9 89 1.7 1.3 131 POWDER RIVER PASS 9480 2.3 1.4 164 3.4 2.1 162 SHELL CREEK 9580 4.8 2.8 171 4.4 2.2 200 SYLVAN LAKE 8420 .6 2.1 29* 4.4 2.8 157 SYLVAN ROAD 7120 .0 .6 0* 2.6 2.3 113 TIMBER CREEK 7950 .3 1.2 25 3.9 1.7 229 YOUNTS PEAK 8350 .9 1.6 56* 2.8 2.0 140 ----- ----- Basin wide percent of average 99 156 SHOSHONE RIVER BLACKWATER 9780 3.9 3.3 118 4.2 2.9 145 EVENING STAR 9200 2.5 3.0 83* 5.3 3.0 177 KIRWIN 9550 2.2 2.0 110 3.4 2.0 170 MARQUETTE 8760 .4 -M * 3.7 2.5 148 SYLVAN LAKE 8420 .6 2.1 29* 4.4 2.8 157 SYLVAN ROAD 7120 .0 .6 0* 2.6 2.3 113 YOUNTS PEAK 8350 .9 1.6 56* 2.8 2.0 140 ----- ----- Basin wide percent of average 80* 151 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .6 0 2.1 1.9 111 BIG GOOSE 7990 2.4 .9 267* 5.6 2.2 255 BONE SPRINGS DIV 9350 4.4 2.7 163 4.8 2.7 178 BURGESS JUNCTION 7880 2.2 1.6 138 5.0 2.4 208 CLOUD PEAK RESERVOIR 9860 2.8 1.7 165 4.4 2.8 157 DOME LAKE 8880 3.5 2.0 175 6.1 2.7 226 GRAVE SPRINGS 8550 .0 1.3 0 2.4 2.2 109 HANSEN SAWMILL 8360 .8 .9 89 2.6 2.0 130 LITTLE GOOSE 8870 2.9 -M * 6.3 -M * MIDDLE POWDER 7760 .5 1.4 36* 4.3 2.8 154 POWDER RIVER PASS 9480 2.3 1.4 164 3.4 2.1 162 SOLDIER PARK 8720 .6 -M * 3.5 -M * SUCKER CREEK 8880 3.7 1.5 247 5.2 2.6 200 TIE CREEK 6870 .9 .9 100 5.6 2.7 207 ----- ----- Basin wide percent of average 139 177 BELLE FOURCHE BLIND PARK 6890 .3 .7 43* 1.4 2.8 50 COLE CANYON 5910 .0 1.1 0 1.5 2.0 75 NORTH RAPID CREEK 6130 .6 .6 100* 1.0 2.7 37 ----- ----- Basin wide percent of average 38* 52 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 2.7 -M * 4.3 -M * CINNABAR PARK 9574 1.5 1.8 83 3.7 2.7 137 COLUMBINE 9160 .5 1.0 50* 3.0 2.6 115 DIVIDE PEAK 8880 1.3 1.9 68* 4.1 2.9 141 ELK RIVER 8700 .2 .7 29* 2.6 2.4 108 JOE WRIGHT 10120 1.4 2.8 50 4.7 3.7 127 NORTH FRENCH CREEK 10130 2.9 3.4 85* 4.2 3.6 117 OLD BATTLE 10000 2.9 3.3 88* 4.2 3.9 108 SAGE CREEK BASIN 7850 .8 1.1 73* 2.3 1.7 135 SOUTH BRUSH CREEK 8440 .6 .8 75* 3.2 2.8 114 TOWER 10500 2.4 4.0 60* 4.0 4.3 93 WEBBER SPRINGS 9250 1.2 2.1 57* 4.0 3.3 121 WILLOW CREEK PASS 9540 2.1 1.3 162* 2.7 2.2 123 ----- ----- Basin wide percent of average 74* 118 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.1 2.4 46* 3.5 2.7 130 CASPER MTN. 7900 2.6 1.9 137 6.2 2.7 230 DEADMAN HILL 10220 3.4 2.4 142 4.0 2.6 154 DEER PARK 9700 1.2 2.7 44 3.0 2.7 111 LAPRELE CREEK 8375 1.4 1.1 127 3.7 2.0 185 RENO HILL 8400 2.9 1.9 153 4.7 2.7 174 ROACH 9700 2.1 1.3 162* 3.9 2.5 156 SAND LAKE 10050 3.8 3.6 106* 4.7 3.3 142 SOUTH PASS 9040 .8 1.6 50* 2.5 2.3 109 WINDY PEAK 7900 1.4 .7 200* 2.8 1.8 156 ----- ----- Basin wide percent of average 106 154 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .4 .6 67* 1.9 2.0 95 DIVIDE PEAK 8880 1.3 1.9 68* 4.1 2.9 141 OLD BATTLE 10000 2.9 3.3 88* 4.2 3.9 108 SANDSTONE RS 8150 .0 .6 0* 1.9 2.5 76 WHISKEY PARK 8950 .4 1.9 21* 3.6 3.2 113 ----- ----- Basin wide percent of average 60* 108 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.0 1.4 71* 2.0 2.0 100 BLIND BULL SUM 8650 .6 1.9 32* 2.1 2.4 88 EAST RIM DIVIDE 7930 .3 .7 43* 2.0 1.5 133 ELKHART PARK G.S. 9400 .7 1.0 70* 2.7 2.1 129 GROS VENTRE SUMMIT 8750 .4 1.5 27 2.0 2.0 100 GUNSIGHT PASS 9820 .6 -M * 2.2 -M * KENDALL R.S. 7740 .0 .8 0* 2.1 1.7 124 LOOMIS PARK 8240 .1 1.1 9* 2.5 2.0 125 NEW FORK LAKE 8340 .5 .7 71* 2.4 1.7 141 POCKET CREEK 9360 1.7 -M * 2.7 -M * SNIDER BASIN 8060 .1 .9 11* 1.6 1.8 89 SPRING CREEK DIVIDE 9000 1.4 1.7 82* 3.3 2.8 118 TRIPLE PEAK 8500 1.1 1.4 79* 3.0 2.4 125 ----- ----- Basin wide percent of average 47* 115 LOWER GREEN RIVER HAMS FORK 7840 .2 .5 40* 2.6 1.5 173 HEWINTA 9519 .0 .9 0* 3.3 2.5 132 HICKERSON PARK 9145 .6 .5 120* 4.1 1.8 228 HOLE-IN-ROCK 9150 1.3 .5 260* 3.7 1.8 206 INDIAN CREEK 9425 1.6 1.8 89* 3.0 2.8 107 KELLEY R.S. 8180 .4 1.1 36* 2.8 2.3 122 STEEL CREEK PARK 10200 .7 1.8 39* 4.0 2.5 160 ----- ----- Basin wide percent of average 68* 155 UPPER BEAR RIVER BUG LAKE 7950 .5 1.4 36* 2.0 2.5 80 HAYDEN FORK 9212 .5 1.0 50* 4.4 2.6 169 KELLEY R.S. 8180 .4 1.1 36* 2.8 2.3 122 LILY LAKE 9156 .3 1.1 27* 3.2 2.6 123 MONTE CRISTO 8960 .8 1.7 47* 3.0 3.0 100 SALT RIVER SUMMIT 7760 .1 .4 25* 2.1 2.1 100 TRIAL LAKE 9992 1.5 2.1 71* 2.7 3.0 90 ----- ----- Basin wide percent of average 47* 112 ----------------------------------------------------------------------------- -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.