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: OCTOBER 2 , 2000 ----------------------------------------------------------------------------- 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 .0 .0 100* .1 .1 100 GRANITE CREEK 6770 .1 .0 * .1 .1 100 GRASSY LAKE 7265 .0 .0 100* -M .1 * GROS VENTRE SUMMIT 8775 .2 .0 * .1 .1 100 LEWIS LAKE DIVIDE 7860 -M .0 * -M .1 * PHILLIPS BENCH 8200 .1 .0 * .0 .1 0 SALT RIVER SUMMIT 7600 .0 .0 100* .0 .1 0 SNAKE RIVER STATION 6920 -M .0 * -M .1 * SPRING CREEK DIVIDE 9000 .1 .0 * .0 .1 0 THUMB DIVIDE 7980 .0 .0 100* .5 .1 500 TOGWOTEE PASS 9580 .1 .1 100* .3 .1 300 TWO OCEAN PLATEAU 9360 .5 .1 500* .7 .1 700 WILLOW CREEK 8450 .1 .0 * .0 .1 0 ----- ----- Basin wide percent of average 300* 182 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .4 .7 57* .7 .1 700 BLACK BEAR 7950 .0 .5 -0* .6 .1 600 CANYON 7940 .0 .1 -0* .4 .1 400 FISHER CREEK 9100 .0 .4 0* .9 .1 900 MADISON PLATEAU 7750 .0 .2 0* .6 .1 600 NORTHEAST ENTRANCE 7350 .0 .0 100* .7 .0 PARKER PEAK 9400 .3 .9 33* 1.2 .1 1200 SYLVAN LAKE 8420 .1 .7 14* 1.0 .1 1000 THUMB DIVIDE 7980 .0 .0 100* .5 .1 500 TWO OCEAN PLATEAU 9360 .5 .1 500* .7 .1 700 WHISKEY CREEK 6800 .0 .0 100* .6 .1 600 WHITE MILL 8700 .0 .3 0* .8 .1 800 WOLVERINE 7650 .0 .0 100* 1.1 .1 1100 ----- ----- Basin wide percent of average 33* 758 WIND RIVER BURROUGHS CREEK 8750 .2 .1 200* .1 .1 100 COLD SPRINGS 9630 .2 .1 200* .0 .1 0 DEER PARK 9700 .2 -M * .0 -M * HOBBS PARK 10100 .2 .3 67* .0 .1 0 LITTLE WARM 9620 .1 .1 100* .0 .1 0 SOUTH PASS 9040 -M .3 * .1 .1 100 ST. LAWRENCE ALT 8620 .0 .0 100* .1 .1 100 TOGWOTEE PASS 9580 .1 .1 100* .3 .1 300 TOWNSEND CREEK 8700 .2 .0 * .1 .1 100 ----- ----- Basin wide percent of average 114* 88 BIGHORN BASIN BALD MTN. 9375 .0 .7 -0* .4 .1 400 BEAR TRAP MEADOW 7900 .0 .1 -0* .0 .1 0 BLACKWATER 9780 .6 .7 86* 1.0 .1 1000 BONE SPRINGS DIV 9350 .1 .9 11* .5 .1 500 EVENING STAR 9200 .3 .6 50* -M .1 * GRAVE SPRINGS 8550 .0 .2 0* .1 .1 100 KIRWIN 9550 -M .3 * .4 .1 400 MARQUETTE 8760 .1 .3 33* .5 .1 500 MIDDLE POWDER 7760 .1 .3 33* .0 .1 0 OWL CREEK 8975 .0 .3 0* .1 .0 POWDER RIVER PASS 9480 .0 .2 0* .2 .1 200 SHELL CREEK 9580 .7 .8 87* .4 .1 400 SYLVAN LAKE 8420 .1 .7 14* 1.0 .1 1000 SYLVAN ROAD 8120 .0 .3 0* -M .1 * TIMBER CREEK 7950 .1 .0 * .4 .0 YOUNTS PEAK 8350 .0 .4 -0* 1.4 .1 1400 ----- ----- Basin wide percent of average 31* 492 SHOSHONE RIVER BLACKWATER 9780 .6 .7 86* 1.0 .1 1000 EVENING STAR 9200 .3 .6 50* -M .1 * KIRWIN 9550 -M .3 * .4 .1 400 MARQUETTE 8760 .1 .3 33* .5 .1 500 SYLVAN LAKE 8420 .1 .7 14* 1.0 .1 1000 SYLVAN ROAD 8120 .0 .3 0* -M .1 * YOUNTS PEAK 8350 .0 .4 -0* 1.4 .1 1400 ----- ----- Basin wide percent of average 37* 860 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .1 -0* .0 .1 0 BIG GOOSE 7990 .2 -M * -M -M * BONE SPRINGS DIV 9350 .1 .9 11* .5 .1 500 BURGESS JUNCTION 7880 .0 .3 0* .2 .1 200 CLOUD PEAK RESERVOIR 9860 .0 .2 0* .7 .1 700 DOME LAKE 8880 .2 .3 67* .6 .1 600 GRAVE SPRINGS 8550 .0 .2 0* .1 .1 100 HANSEN SAWMILL 8760 .1 .1 100* .3 .1 300 MIDDLE POWDER 7760 .1 .3 33* .0 .1 0 POWDER RIVER PASS 9480 .0 .2 0* .2 .1 200 SUCKER CREEK 8880 .0 .2 0* .0 .1 0 TIE CREEK 6870 .1 -M * .3 .1 300 ----- ----- Basin wide percent of average 18* 264 BELLE FOURCHE BLIND PARK 6890 .0 .2 0* .2 .1 200 NORTH RAPID CREEK 6130 .0 -M * .2 -M * WARREN PEAK 6520 -M .2 * -M .0 * ----- ----- Basin wide percent of average 0* 200* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* .0 .1 0 DIVIDE PEAK 8800 .2 .0 * .2 .1 200 ELK RIVER 8700 .0 .0 100* .2 .1 200 JOE WRIGHT 10120 .2 .1 200* .0 .1 0 NORTH FRENCH CREEK 10100 .4 .0 * .0 .1 0 OLD BATTLE 10000 .0 .5 0* .0 .1 0 SOUTH BRUSH CREEK 8400 .1 .0 * .1 .1 100 TOWER 10500 .4 .2 200* .0 .1 0 WEBBER SPRINGS 9200 .3 .0 * .1 .1 100 WILLOW CREEK PASS 9540 .2 .0 * .0 .1 0 ----- ----- Basin wide percent of average 75* 60 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .3 .2 150* .2 .1 200 CASPER MTN. 7900 .2 .0 * .0 .1 0 DEADMAN HILL 10220 .8 .0 * .0 .1 0 DEER PARK 9700 .2 -M * .0 -M * LAPRELE CREEK 8320 .0 .0 100* .1 .0 RENO HILL 8400 -M .0 * .0 .1 0 ROACH 9700 .2 .0 * .0 .1 0 SAND LAKE 10080 .2 .1 200* .0 .1 0 SOUTH PASS 9040 -M .3 * .1 .1 100 WINDY PEAK 7840 .0 .0 100* .0 .0 100 ----- ----- Basin wide percent of average 167* 43 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .5 .0 * .1 .1 100 DIVIDE PEAK 8800 .2 .0 * .2 .1 200 OLD BATTLE 10000 .0 .5 0* .0 .1 0 SANDSTONE RS 8150 .3 .0 * .0 .1 0 WHISKEY PARK 8950 .2 .0 * .0 .1 0 ----- ----- Basin wide percent of average 0* 60 UPPER GREEN RIVER BIG SANDY OPENING 9100 .1 .0 * .0 .1 0 BLIND BULL SUM 8650 .0 .0 100* .0 .1 0 EAST RIM DIVIDE 7930 .0 .0 100* .1 .0 ELKHART PARK G.S. 9400 .0 .0 100* .0 .1 0 GROS VENTRE SUMMIT 8775 .2 .0 * .1 .1 100 KENDALL R.S. 7740 .0 .0 100* .0 .0 100 LOOMIS PARK 8240 .2 .0 * .1 .1 100 NEW FORK LAKE 8340 .1 .0 * .1 .0 SNIDER BASIN 8250 .1 .0 * .0 .0 100 SPRING CREEK DIVIDE 9000 .1 .0 * .0 .1 0 TRIPLE PEAK 8500 .0 .0 100* .0 .1 0 ----- ----- Basin wide percent of average * 29 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .1 .0 HEWINTA 9500 .5 .0 * .0 .1 0 HICKERSON PARK 9150 -M .0 * .0 .1 0 HOLE-IN-ROCK 9150 .4 .0 * .0 .1 0 INDIAN CREEK 9425 .2 .0 * .0 .1 0 KELLEY R.S. 8180 .1 .0 * .0 .1 0 STEEL CREEK PARK 10100 .6 .4 150* .0 .1 0 ----- ----- Basin wide percent of average 150* 0 UPPER BEAR RIVER BUG LAKE 7950 .1 .2 50* .0 .1 0 HAYDEN FORK 9400 .0 .1 0* .0 .1 0 KELLEY R.S. 8180 .1 .0 * .0 .1 0 LILY LAKE 9050 -M .2 * .0 .1 0 MONTE CRISTO 8960 -M .3 * .0 .1 0 SALT RIVER SUMMIT 7600 .0 .0 100* .0 .1 0 TRIAL LAKE 9960 .0 .3 0* .0 .1 0 ----- ----- Basin wide percent of average 17* 0 ----------------------------------------------------------------------------- -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 1961-90. 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.