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: OCTOBER 2 , 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* .2 .1 200 COTTONWOOD CREEK 7600 .3 .0 * .4 .1 400 GRANITE CREEK 6770 .7 .0 * .6 .1 600 GRASSY LAKE 7265 .2 .0 * .2 .1 200 GROS VENTRE SUMMIT 8775 .9 .0 * .7 .1 700 LEWIS LAKE DIVIDE 7860 .0 .0 100* .1 .1 100 PHILLIPS BENCH 8200 .7 .0 * .7 .1 700 SALT RIVER SUMMIT 7600 .5 .0 * .5 .1 500 SNAKE RIVER STATION 6920 -M .0 * .1 .1 100 SPRING CREEK DIVIDE 9000 .6 .0 * .5 .1 500 THUMB DIVIDE 7980 .3 .0 * .4 .1 400 TOGWOTEE PASS 9580 .4 .1 400* .3 .1 300 TWO OCEAN PLATEAU 9360 .5 .1 500* .2 .1 200 WILLOW CREEK 8450 .0 .0 100* .3 .1 300 ----- ----- Basin wide percent of average 450* 371 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .4 .5 80* .1 .1 100 BLACK BEAR 8170 .4 .3 133* .2 .1 200 CANYON 8090 .3 .1 300* .2 .1 200 FISHER CREEK 9100 .4 .4 100* .1 .1 100 MADISON PLATEAU 7750 -M .2 * .2 .1 200 NORTHEAST ENTRANCE 7350 .0 .0 100* .1 .1 100 PARKER PEAK 9400 .1 .6 17* .2 .1 200 SYLVAN LAKE 8420 .3 .4 75* .1 .1 100 THUMB DIVIDE 7980 .3 .0 * .4 .1 400 TWO OCEAN PLATEAU 9360 .5 .1 500* .2 .1 200 WHISKEY CREEK 6800 .3 .1 300* .2 .1 200 WHITE MILL 8700 -M .2 * -M .1 * WOLVERINE 7650 .2 .0 * .3 .1 300 ----- ----- Basin wide percent of average 108* 192 WIND RIVER BURROUGHS CREEK 8750 .5 .2 250* .6 .1 600 COLD SPRINGS 9630 .9 .2 450* .9 .1 900 DEER PARK 9700 .3 .3 100* .2 .1 200 HOBBS PARK 10100 1.5 .3 500* 1.1 .1 1100 LITTLE WARM 9370 .8 .2 400* .4 .1 400 SOUTH PASS 9040 .1 .1 100* .2 .1 200 ST. LAWRENCE ALT 8620 -M .1 * 1.3 .1 1300 TOGWOTEE PASS 9580 .4 .1 400* .3 .1 300 TOWNSEND CREEK 8700 -M .0 * 1.0 .1 1000 ----- ----- Basin wide percent of average 321* 667 BIGHORN BASIN BALD MTN. 9380 .5 .7 71* .3 .1 300 BEAR TRAP MEADOW 8200 .0 .1 0* .0 .1 0 BLACKWATER 9780 .6 .7 86* .4 .1 400 BONE SPRINGS DIV 9350 .4 .6 67* .3 .1 300 EVENING STAR 9200 .1 .5 20* .2 .1 200 GRAVE SPRINGS 8550 .2 .1 200* .4 .1 400 KIRWIN 9550 .3 .4 75* .5 .1 500 MARQUETTE 8760 .2 .4 50* .5 .1 500 MIDDLE POWDER 7760 .0 .2 0* .1 .1 100 OWL CREEK 8975 .7 .2 350* .7 .0 POWDER RIVER PASS 9480 .1 .3 33* .0 .1 0 SHELL CREEK 9580 .4 .8 50* .4 .1 400 SYLVAN LAKE 8420 .3 .4 75* .1 .1 100 SYLVAN ROAD 7120 .0 .0 100* .0 .1 0 TIMBER CREEK 7950 .3 .0 * .6 .1 600 YOUNTS PEAK 8350 .1 .1 100* .2 .1 200 ----- ----- Basin wide percent of average 71* 267 SHOSHONE RIVER BLACKWATER 9780 .6 .7 86* .4 .1 400 EVENING STAR 9200 .1 .5 20* .2 .1 200 KIRWIN 9550 .3 .4 75* .5 .1 500 MARQUETTE 8760 .2 .4 50* .5 .1 500 SYLVAN LAKE 8420 .3 .4 75* .1 .1 100 SYLVAN ROAD 7120 .0 .0 100* .0 .1 0 YOUNTS PEAK 8350 .1 .1 100* .2 .1 200 ----- ----- Basin wide percent of average 64* 271 POWDER-TONGUE BEAR TRAP MEADOW 8200 .0 .1 0* .0 .1 0 BIG GOOSE 7990 .0 .0 100* .1 .1 100 BONE SPRINGS DIV 9350 .4 .6 67* .3 .1 300 BURGESS JUNCTION 7880 -M .3 * -M .1 * CLOUD PEAK RESERVOIR 9860 .2 .1 200* .3 .1 300 DOME LAKE 8880 .0 .3 0* .4 .1 400 GRAVE SPRINGS 8550 .2 .1 200* .4 .1 400 HANSEN SAWMILL 8360 .3 .1 300* .2 .1 200 MIDDLE POWDER 7760 .0 .2 0* .1 .1 100 POWDER RIVER PASS 9480 .1 .3 33* .0 .1 0 SUCKER CREEK 8880 .2 .2 100* .2 .1 200 TIE CREEK 6870 .0 .0 100* .3 .1 300 ----- ----- Basin wide percent of average 70* 209 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* .2 .1 200 COLE CANYON 5910 -M -M * .0 -M * NORTH RAPID CREEK 6130 .0 .0 100* .2 .1 200 ----- ----- Basin wide percent of average * 200 UPPER N. PLATTE RIVER COLUMBINE 9400 .4 .0 * .2 .1 200 DIVIDE PEAK 8800 .1 .1 100* .3 .1 300 ELK RIVER 8700 .0 .0 100* .0 .1 0 JOE WRIGHT 10120 .0 .2 0* .1 .1 100 NORTH FRENCH CREEK 10100 .0 .2 0* .1 .1 100 OLD BATTLE 10000 .5 .3 167* .2 .1 200 SAGE CREEK BASIN 7850 .1 .0 * .1 -M * SOUTH BRUSH CREEK 8400 .0 .0 100* .1 .1 100 TOWER 10500 .2 .2 100* .0 .1 0 WEBBER SPRINGS 9200 .1 .1 100* .2 .1 200 WILLOW CREEK PASS 9540 .0 .0 100* .2 .1 200 ----- ----- Basin wide percent of average 82* 140 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .4 .2 200* .5 .1 500 CASPER MTN. 7900 .0 .0 100* .2 .1 200 DEADMAN HILL 10220 .0 .2 0* .1 .1 100 DEER PARK 9700 .3 .3 100* .2 .1 200 LAPRELE CREEK 8320 -M .0 * -M .1 * RENO HILL 8400 .2 .0 * .3 .1 300 ROACH 9700 .1 .0 * .1 .1 100 SAND LAKE 10080 .0 .5 0* .2 .1 200 SOUTH PASS 9040 .1 .1 100* .2 .1 200 WINDY PEAK 7840 .1 .0 * .0 .1 0 ----- ----- Basin wide percent of average 62* 200 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .2 .1 200 DIVIDE PEAK 8800 .1 .1 100* .3 .1 300 OLD BATTLE 10000 .5 .3 167* .2 .1 200 SANDSTONE RS 8150 .0 .0 100* .2 .1 200 WHISKEY PARK 8950 .2 .0 * .2 .1 200 ----- ----- Basin wide percent of average 150* 220 UPPER GREEN RIVER BIG SANDY OPENING 9100 .6 .0 * .4 .1 400 BLIND BULL SUM 8650 .2 .0 * .3 .1 300 EAST RIM DIVIDE 7930 .7 .0 * .8 .0 ELKHART PARK G.S. 9400 -M .0 * -M .1 * GROS VENTRE SUMMIT 8775 .9 .0 * .7 .1 700 KENDALL R.S. 7740 .6 .0 * .6 .1 600 LOOMIS PARK 8240 1.0 .0 * .7 .1 700 NEW FORK LAKE 8340 .7 .0 * .7 .1 700 SNIDER BASIN 8250 .7 .0 * .6 .1 600 SPRING CREEK DIVIDE 9000 .6 .0 * .5 .1 500 TRIPLE PEAK 8500 .4 .0 * .5 .1 500 ----- ----- Basin wide percent of average * 556 LOWER GREEN RIVER HAMS FORK 7840 .3 .0 * .6 .0 HEWINTA 9500 .3 .0 * .5 .1 500 HICKERSON PARK 9150 .8 .0 * .7 .1 700 HOLE-IN-ROCK 9150 .1 .0 * .7 .1 700 INDIAN CREEK 9425 1.2 .0 * .8 .1 800 KELLEY R.S. 8180 .5 .0 * .4 .1 400 STEEL CREEK PARK 10100 -M .3 * -M .1 * ----- ----- Basin wide percent of average * 620 UPPER BEAR RIVER BUG LAKE 7950 .5 .2 250* .7 .1 700 HAYDEN FORK 9400 .6 .1 600* 1.2 .1 1200 KELLEY R.S. 8180 .5 .0 * .4 .1 400 LILY LAKE 9050 1.2 .1 1200* .9 .1 900 MONTE CRISTO 8960 .0 .2 0* .6 .1 600 SALT RIVER SUMMIT 7600 .5 .0 * .5 .1 500 TRIAL LAKE 9960 1.3 .3 433* 1.2 .1 1200 ----- ----- Basin wide percent of average 400* 786 ----------------------------------------------------------------------------- -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.