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: OCTOBER 8 , 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 .0 100* .4 .5 80 COTTONWOOD CREEK 7600 .1 .0 * .8 .7 114 GRANITE CREEK 6770 .1 .0 * .9 .4 225 GRASSY LAKE 7265 .0 .2 0* 1.2 .8 150 GROS VENTRE SUMMIT 8775 .7 .3 233* .8 .4 200 LEWIS LAKE DIVIDE 7860 .0 .0 100* 1.1 .7 157 PHILLIPS BENCH 8200 .1 .1 100* .9 .6 150 SALT RIVER SUMMIT 7600 .1 .0 * .8 .5 160 SNAKE RIVER STATION 6920 -M .0 * .7 .5 140 SPRING CREEK DIVIDE 9000 .6 .2 300* .9 .6 150 THUMB DIVIDE 7980 .0 .0 100* .9 .5 180 TOGWOTEE PASS 9580 .8 .5 160* .7 .7 100 TWO OCEAN PLATEAU 9360 1.0 .6 167* .8 .7 114 WILLOW CREEK 8450 .0 .2 0* .9 .9 100 ----- ----- Basin wide percent of average 152* 139 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.2 .8 150* 1.0 .5 200 BLACK BEAR 8170 1.3 .6 217* 1.5 .8 188 CANYON 8090 .1 .2 50* .7 .4 175 FISHER CREEK 9100 .7 .6 117* .9 .8 112 MADISON PLATEAU 7750 .0 .3 0* .8 .6 133 NORTHEAST ENTRANCE 7350 .1 .0 * .4 .4 100 PARKER PEAK 9400 .5 .8 62* 1.1 .5 220 SYLVAN LAKE 8420 .8 .6 133* 1.2 .6 200 THUMB DIVIDE 7980 .0 .0 100* .9 .5 180 TWO OCEAN PLATEAU 9360 1.0 .6 167* .8 .7 114 WHISKEY CREEK 6800 .1 .1 100* .8 .5 160 WHITE MILL 8700 .9 .4 225* .9 .6 150 WOLVERINE 7650 .1 .0 * .6 .4 150 ----- ----- Basin wide percent of average 132* 159 WIND RIVER BURROUGHS CREEK 8750 .7 .2 350* 1.1 .4 275 COLD SPRINGS 9630 .7 .2 350* 1.1 .5 220 DEER PARK 9700 .7 .6 117* .6 .6 100 HOBBS PARK 10100 1.7 .5 340* 1.4 .5 280 LITTLE WARM 9370 .8 .3 267* .6 .4 150 SOUTH PASS 9040 .2 .2 100* .7 .5 140 ST. LAWRENCE ALT 8620 1.1 .1 1100* 1.5 .4 375 TOGWOTEE PASS 9580 .8 .5 160* .7 .7 100 TOWNSEND CREEK 8700 .6 .2 300* 1.1 .5 220 ----- ----- Basin wide percent of average 261* 196 BIGHORN BASIN BALD MTN. 9380 1.1 1.1 100* 1.1 .6 183 BEAR TRAP MEADOW 8200 .0 .2 0* .6 .4 150 BLACKWATER 9780 1.6 1.1 145* 1.4 .6 233 BONE SPRINGS DIV 9350 1.3 .9 144* 1.5 .6 250 EVENING STAR 9200 .9 .8 112* 1.1 .7 157 GRAVE SPRINGS 8550 .2 .2 100* .6 .5 120 KIRWIN 9550 .8 .6 133* 1.0 .4 250 MARQUETTE 8760 .7 .6 117* .9 .5 180 MIDDLE POWDER 7760 .0 .4 0* .5 .6 83 OWL CREEK 8975 1.1 .2 550* 1.0 .3 333 POWDER RIVER PASS 9480 .5 .4 125* .8 .5 160 SHELL CREEK 9580 1.1 1.1 100* 1.0 .5 200 SYLVAN LAKE 8420 .8 .6 133* 1.2 .6 200 SYLVAN ROAD 7120 .1 .0 * 1.1 .5 220 TIMBER CREEK 7950 .5 .0 * .8 .4 200 YOUNTS PEAK 8350 .7 .4 175* .8 .4 200 ----- ----- Basin wide percent of average 126* 190 SHOSHONE RIVER BLACKWATER 9780 1.6 1.1 145* 1.4 .6 233 EVENING STAR 9200 .9 .8 112* 1.1 .7 157 KIRWIN 9550 .8 .6 133* 1.0 .4 250 MARQUETTE 8760 .7 .6 117* .9 .5 180 SYLVAN LAKE 8420 .8 .6 133* 1.2 .6 200 SYLVAN ROAD 7120 .1 .0 * 1.1 .5 220 YOUNTS PEAK 8350 .7 .4 175* .8 .4 200 ----- ----- Basin wide percent of average 134* 203 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .2 0* .6 .4 150 BIG GOOSE 7990 .2 .2 100* .9 .5 180 BONE SPRINGS DIV 9350 1.3 .9 144* 1.5 .6 250 BURGESS JUNCTION 7880 .5 .4 125* 1.0 .5 200 CLOUD PEAK RESERVOIR 9860 .1 .2 50* .8 .6 133 DOME LAKE 8880 .7 .5 140* 1.0 .6 167 GRAVE SPRINGS 8550 .2 .2 100* .6 .5 120 HANSEN SAWMILL 8360 .2 .2 100* .8 .4 200 MIDDLE POWDER 7760 .0 .4 0* .5 .6 83 POWDER RIVER PASS 9480 .5 .4 125* .8 .5 160 SUCKER CREEK 8880 .8 .4 200* 1.0 .6 167 TIE CREEK 6870 .0 .0 100* 1.0 .6 167 ----- ----- Basin wide percent of average 112* 164 BELLE FOURCHE BLIND PARK 6890 .2 .0 * .7 .6 117 COLE CANYON 5910 -M -M * .5 -M * NORTH RAPID CREEK 6130 .0 .0 100* .6 .6 100 ----- ----- Basin wide percent of average * 108 UPPER N. PLATTE RIVER COLUMBINE 9400 .4 .0 * 1.4 .6 233 DIVIDE PEAK 8800 .3 .4 75* 1.9 .6 317 ELK RIVER 8700 .0 .0 100* 1.2 .5 240 JOE WRIGHT 10120 -M .5 * 1.2 .8 150 NORTH FRENCH CREEK 10100 1.3 .7 186* 2.0 .8 250 OLD BATTLE 10000 2.2 .7 314* 2.6 .8 325 SAGE CREEK BASIN 7850 .0 .2 0* 1.4 -M * SOUTH BRUSH CREEK 8400 .0 .1 0* 1.7 .6 283 TOWER 10500 2.4 .6 400* 2.8 .9 311 WEBBER SPRINGS 9200 .1 .3 33* 1.5 .7 214 WILLOW CREEK PASS 9540 .0 .2 0* .5 .5 100 ----- ----- Basin wide percent of average 197* 247 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .5 .6 83* 1.7 .6 283 CASPER MTN. 7900 .0 .3 0* 1.0 .6 167 DEADMAN HILL 10220 .5 .6 83* .3 .6 50 DEER PARK 9700 .7 .6 117* .6 .6 100 LAPRELE CREEK 8320 -M .2 * 2.3 .5 460 RENO HILL 8400 .7 .4 175* 1.3 .6 217 ROACH 9700 .1 .2 50* .7 .5 140 SAND LAKE 10080 .8 .8 100* 1.4 .7 200 SOUTH PASS 9040 .2 .2 100* .7 .5 140 WINDY PEAK 7840 .1 .0 * .9 .4 225 ----- ----- Basin wide percent of average 95* 195 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.9 .5 380 DIVIDE PEAK 8800 .3 .4 75* 1.9 .6 317 OLD BATTLE 10000 2.2 .7 314* 2.6 .8 325 SANDSTONE RS 8150 -M .0 * 1.5 .5 300 WHISKEY PARK 8950 .5 .2 250* 1.7 .7 243 ----- ----- Basin wide percent of average 231* 310 UPPER GREEN RIVER BIG SANDY OPENING 9100 -M .2 * .9 .4 225 BLIND BULL SUM 8650 .3 .2 150* .7 .5 140 EAST RIM DIVIDE 7930 .1 .0 * .9 .3 300 ELKHART PARK G.S. 9400 1.1 .1 1100* 1.0 .5 200 GROS VENTRE SUMMIT 8775 .7 .3 233* .8 .4 200 KENDALL R.S. 7740 .1 .0 * .8 .4 200 LOOMIS PARK 8240 .2 .1 200* .9 .4 225 NEW FORK LAKE 8340 .1 .0 * .7 .4 175 SNIDER BASIN 8250 .1 .0 * .8 .4 200 SPRING CREEK DIVIDE 9000 .6 .2 300* .9 .6 150 TRIPLE PEAK 8500 .0 .1 0* 1.0 .5 200 ----- ----- Basin wide percent of average 290* 196 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* .9 .3 300 HEWINTA 9500 .0 .2 0* .8 .6 133 HICKERSON PARK 9150 .2 .0 * 1.1 .4 275 HOLE-IN-ROCK 9150 .0 .0 100* 1.1 .4 275 INDIAN CREEK 9425 1.5 .2 750* 1.5 .6 250 KELLEY R.S. 8180 .2 .1 200* .7 .5 140 STEEL CREEK PARK 10100 .6 .6 100* .5 .5 100 ----- ----- Basin wide percent of average 209* 200 UPPER BEAR RIVER BUG LAKE 7950 .0 .4 0* .9 .5 180 HAYDEN FORK 9400 .0 .2 0* 1.3 .6 217 KELLEY R.S. 8180 .2 .1 200* .7 .5 140 LILY LAKE 9050 .0 .2 0* 1.3 .6 217 MONTE CRISTO 8960 -M .4 * .8 .7 114 SALT RIVER SUMMIT 7600 .1 .0 * .8 .5 160 TRIAL LAKE 9960 .5 .6 83* 1.3 .7 186 ----- ----- Basin wide percent of average 47* 173 ----------------------------------------------------------------------------- -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.