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 SATURDAY: OCTOBER 12 , 2002 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .1 0* .5 .7 71 COTTONWOOD CREEK 7600 .1 .1 100* .9 1.1 82 GRANITE CREEK 6770 .0 .1 0* 1.0 .6 167 GRASSY LAKE 7265 .0 .2 0* 1.1 1.2 92 GROS VENTRE SUMMIT 8775 .7 .5 140* 1.0 .7 143 LEWIS LAKE DIVIDE 7860 .0 .1 0* 1.1 1.2 92 PHILLIPS BENCH 8200 .0 .2 0* .8 .9 89 SALT RIVER SUMMIT 7600 .0 .0 100* .8 .7 114 SNAKE RIVER STATION 6920 -M .0 * .8 .8 100 SPRING CREEK DIVIDE 9000 .3 .2 150* .9 1.0 90 THUMB DIVIDE 7980 .0 .1 0* 1.2 .7 171 TOGWOTEE PASS 9580 .8 .8 100* .8 1.0 80 TWO OCEAN PLATEAU 9360 1.3 .9 144* 1.1 1.1 100 WILLOW CREEK 8450 .0 .3 0* 1.0 1.3 77 ----- ----- Basin wide percent of average 89* 100 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.7 1.1 155* 1.4 .8 175 BLACK BEAR 8170 1.5 .7 214* 1.7 1.3 131 CANYON 8090 .5 .2 250* 1.0 .7 143 FISHER CREEK 9100 1.5 .8 188* 1.5 1.2 125 MADISON PLATEAU 7750 .3 .4 75* 1.0 .9 111 NORTHEAST ENTRANCE 7350 .0 .1 0* .8 .6 133 PARKER PEAK 9400 1.2 1.0 120* 2.1 .9 233 SYLVAN LAKE 8420 .5 .8 62* 1.6 1.0 160 THUMB DIVIDE 7980 .0 .1 0* 1.2 .7 171 TWO OCEAN PLATEAU 9360 1.3 .9 144* 1.1 1.1 100 WHISKEY CREEK 6800 .2 .1 200* .6 .8 75 WHITE MILL 8700 1.3 .6 217* 1.2 1.0 120 WOLVERINE 7650 .4 .1 400* 1.6 .7 229 ----- ----- Basin wide percent of average 151* 144 WIND RIVER BURROUGHS CREEK 8750 .6 .3 200* .9 .6 150 COLD SPRINGS 9630 .2 .2 100* 1.2 .7 171 DEER PARK 9700 .4 .7 57* .6 .9 67 HOBBS PARK 10100 1.7 .6 283* 1.5 .8 188 LITTLE WARM 9370 .4 .4 100* .6 .6 100 SOUTH PASS 9040 .0 .3 0* .6 .8 75 ST. LAWRENCE ALT 8620 .5 .1 500* 1.5 .6 250 TOGWOTEE PASS 9580 .8 .8 100* .8 1.0 80 TOWNSEND CREEK 8700 .0 .2 0* 1.3 .8 162 ----- ----- Basin wide percent of average 128* 132 BIGHORN BASIN BALD MTN. 9380 1.6 1.3 123* 1.4 .9 156 BEAR TRAP MEADOW 8200 .1 .2 50* .7 .6 117 BLACKWATER 9780 1.9 1.3 146* 2.0 1.0 200 BONE SPRINGS DIV 9350 1.8 1.1 164* 1.6 .9 178 EVENING STAR 9200 1.2 1.0 120* 1.4 1.0 140 GRAVE SPRINGS 8550 .0 .2 0* .8 .8 100 KIRWIN 9550 .7 .7 100* .9 .7 129 MARQUETTE 8760 .9 .8 112* .7 .9 78 MIDDLE POWDER 7760 .0 .5 0* .7 1.0 70 OWL CREEK 8975 .9 .3 300* .9 .4 225 POWDER RIVER PASS 9480 .7 .5 140* 1.1 .7 157 SHELL CREEK 9580 1.5 1.4 107* 1.5 .7 214 SYLVAN LAKE 8420 .5 .8 62* 1.6 1.0 160 SYLVAN ROAD 7120 .0 .1 0* 1.4 .8 175 TIMBER CREEK 7950 .1 .1 100* 1.0 .6 167 YOUNTS PEAK 8350 .5 .5 100* .7 .7 100 ----- ----- Basin wide percent of average 115* 145 SHOSHONE RIVER BLACKWATER 9780 1.9 1.3 146* 2.0 1.0 200 EVENING STAR 9200 1.2 1.0 120* 1.4 1.0 140 KIRWIN 9550 .7 .7 100* .9 .7 129 MARQUETTE 8760 .9 .8 112* .7 .9 78 SYLVAN LAKE 8420 .5 .8 62* 1.6 1.0 160 SYLVAN ROAD 7120 .0 .1 0* 1.4 .8 175 YOUNTS PEAK 8350 .5 .5 100* .7 .7 100 ----- ----- Basin wide percent of average 110* 143 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .2 50* .7 .6 117 BIG GOOSE 7990 .2 .2 100* 1.1 .8 138 BONE SPRINGS DIV 9350 1.8 1.1 164* 1.6 .9 178 BURGESS JUNCTION 7880 .4 .5 80* 1.1 .8 138 CLOUD PEAK RESERVOIR 9860 .3 .3 100* 1.2 1.0 120 DOME LAKE 8880 .9 .6 150* 1.5 .9 167 GRAVE SPRINGS 8550 .0 .2 0* .8 .8 100 HANSEN SAWMILL 8360 .4 .2 200* 1.1 .7 157 MIDDLE POWDER 7760 .0 .5 0* .7 1.0 70 POWDER RIVER PASS 9480 .7 .5 140* 1.1 .7 157 SUCKER CREEK 8880 .5 .4 125* 1.3 .9 144 TIE CREEK 6870 .0 .0 100* 1.2 .9 133 ----- ----- Basin wide percent of average 113* 134 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* .9 1.0 90 COLE CANYON 5910 .0 -M * .2 -M * NORTH RAPID CREEK 6130 .0 .1 0* .7 .9 78 ----- ----- Basin wide percent of average 0* 84 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 1.3 .9 144 DIVIDE PEAK 8800 .0 .6 0* 1.9 1.0 190 ELK RIVER 8700 .0 .1 0* 1.2 .8 150 JOE WRIGHT 10120 .5 .6 83* 1.2 1.2 100 NORTH FRENCH CREEK 10100 1.0 1.1 91* 2.0 1.2 167 OLD BATTLE 10000 2.0 .9 222* 2.4 1.3 185 SAGE CREEK BASIN 7850 .0 .2 0* 1.4 -M * SOUTH BRUSH CREEK 8400 .0 .2 0* 1.6 1.0 160 TOWER 10500 1.8 .8 225* 2.6 1.5 173 WEBBER SPRINGS 9200 .0 .4 0* 1.4 1.1 127 WILLOW CREEK PASS 9540 .2 .2 100* .7 .7 100 ----- ----- Basin wide percent of average 108* 152 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .8 0* 1.3 .9 144 CASPER MTN. 7900 .0 .5 0* .9 .9 100 DEADMAN HILL 10220 .6 .8 75* .4 .9 44 DEER PARK 9700 .4 .7 57* .6 .9 67 LAPRELE CREEK 8320 .0 .2 0* .7 .7 100 RENO HILL 8400 .1 .5 20* -M .9 * ROACH 9700 .0 .2 0* .7 .9 78 SAND LAKE 10080 .0 1.1 0* 1.6 1.1 145 SOUTH PASS 9040 .0 .3 0* .6 .8 75 WINDY PEAK 7840 .0 .1 0* .9 .6 150 ----- ----- Basin wide percent of average 21* 100 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.6 .7 229 DIVIDE PEAK 8800 .0 .6 0* 1.9 1.0 190 OLD BATTLE 10000 2.0 .9 222* 2.4 1.3 185 SANDSTONE RS 8150 .0 .1 0* 1.4 .9 156 WHISKEY PARK 8950 .0 .4 0* 1.7 1.1 155 ----- ----- Basin wide percent of average 100* 180 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .3 300* .7 .7 100 BLIND BULL SUM 8650 .2 .3 67* .9 .8 112 EAST RIM DIVIDE 7930 .1 .0 * 1.2 .5 240 ELKHART PARK G.S. 9400 .7 .2 350* 1.2 .7 171 GROS VENTRE SUMMIT 8775 .7 .5 140* 1.0 .7 143 KENDALL R.S. 7740 .1 .0 * .9 .6 150 LOOMIS PARK 8240 .1 .2 50* 1.2 .7 171 NEW FORK LAKE 8340 .1 .0 * .4 .6 67 SNIDER BASIN 8250 .0 .1 0* .8 .6 133 SPRING CREEK DIVIDE 9000 .3 .2 150* .9 1.0 90 TRIPLE PEAK 8500 .0 .2 0* 1.2 .8 150 ----- ----- Basin wide percent of average 145* 135 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.0 .5 200 HEWINTA 9500 .0 .3 0* .9 .9 100 HICKERSON PARK 9150 .0 .0 100* 1.2 .6 200 HOLE-IN-ROCK 9150 .0 .0 100* .9 .6 150 INDIAN CREEK 9425 1.3 .3 433* 1.5 1.0 150 KELLEY R.S. 8180 .1 .2 50* .7 .8 87 STEEL CREEK PARK 10100 -M .7 * -M .9 * ----- ----- Basin wide percent of average 175* 141 UPPER BEAR RIVER BUG LAKE 7950 .0 .4 0* .9 .9 100 HAYDEN FORK 9400 .0 .3 0* 1.4 .9 156 KELLEY R.S. 8180 .1 .2 50* .7 .8 87 LILY LAKE 9050 .0 .3 0* 1.3 .9 144 MONTE CRISTO 8960 -M .6 * .8 1.0 80 SALT RIVER SUMMIT 7600 .0 .0 100* .8 .7 114 TRIAL LAKE 9960 .0 .7 0* 1.4 1.0 140 ----- ----- Basin wide percent of average 5* 118 ----------------------------------------------------------------------------- -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.