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 10 , 1998 ----------------------------------------------------------------------------- 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 .6 67 COTTONWOOD CREEK 7600 .0 .0 100* 1.8 .6 300 GRANITE CREEK 6770 .0 .0 100* .2 .7 29 GRASSY LAKE 7265 .0 .0 100* .0 1.0 0 GROS VENTRE SUMMIT 8775 .5 .0 * .6 .5 120 LEWIS LAKE DIVIDE 7860 .0 .0 100* .1 1.0 10 PHILLIPS BENCH 8200 .0 .0 100* .3 .8 38 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .5 240 SNAKE RIVER STATION 6920 .0 .0 100* .2 .7 29 SPRING CREEK DIVIDE 9000 .5 .0 * 1.2 .6 200 THUMB DIVIDE 7980 .1 .0 * .1 .6 17 TOGWOTEE PASS 9580 .6 .6 100* .7 .7 100 TWO OCEAN PLATEAU 9360 .3 .8 38* .9 .8 112 WILLOW CREEK 8450 .0 .0 100* 1.4 .8 175 ----- ----- Basin wide percent of average 64* 92 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .3 1.2 25* .5 .6 83 BLACK BEAR 7950 .0 .9 0* .2 1.0 20 CANYON 7940 .0 .2 0* .1 .5 20 FISHER CREEK 9100 .1 .7 14* .7 .9 78 MADISON PLATEAU 7750 .0 .4 0* .1 .7 14 NORTHEAST ENTRANCE 7350 .0 .0 100* .3 .4 75 PARKER PEAK 9400 .0 1.4 0* .8 .6 133 SYLVAN LAKE 8420 .0 1.0 0* .8 .8 100 THUMB DIVIDE 7980 .1 .0 * .1 .6 17 TWO OCEAN PLATEAU 9360 .3 .8 38* .9 .8 112 WHISKEY CREEK 6800 .0 .1 0* .0 .6 0 WHITE MILL 8700 .0 .6 0* .4 .8 50 WOLVERINE 7650 .0 .1 0* .8 .5 160 ----- ----- Basin wide percent of average 9* 65 WIND RIVER BURROUGHS CREEK 8750 .4 .2 200* .5 .5 100 COLD SPRINGS 9630 .0 .2 0* .9 .6 150 DEER PARK 9700 .9 -M * 1.7 -M * HOBBS PARK 10100 2.0 .6 333* 2.4 .6 400 LITTLE WARM 9620 .0 .3 0* .9 .5 180 SOUTH PASS 9040 .5 .9 56* 1.4 .6 233 ST. LAWRENCE ALT 8620 .4 .2 200* 1.6 .5 320 TOGWOTEE PASS 9580 .6 .6 100* .7 .7 100 TOWNSEND CREEK 8700 1.1 .2 550* 2.1 .6 350 ----- ----- Basin wide percent of average 156* 228 BIGHORN BASIN BALD MTN. 9375 1.2 1.1 109* 1.3 .7 186 BEAR TRAP MEADOW 7900 .1 .2 50* 1.0 .5 200 BLACKWATER 9780 .7 1.1 64* 1.2 .7 171 BONE SPRINGS DIV 9350 .6 1.4 43* 1.2 .6 200 EVENING STAR 9200 .0 1.3 0* .4 .8 50 GRAVE SPRINGS 8550 .4 -M * 1.3 .6 217 KIRWIN 9550 .5 .6 83* .8 .5 160 MARQUETTE 8760 .8 .4 200* 1.3 .5 260 MIDDLE POWDER 7760 .1 .5 20* 1.5 .6 250 OWL CREEK 8975 .5 .4 125* .8 .3 267 POWDER RIVER PASS 9480 .1 .4 25* .9 .6 150 SHELL CREEK 9580 1.0 1.2 83* .8 .6 133 SYLVAN LAKE 8420 .0 1.0 0* .8 .8 100 SYLVAN ROAD 8120 .0 .5 0* .3 .6 50 TIMBER CREEK 7950 .2 .1 200* 1.3 .4 325 YOUNTS PEAK 8350 .2 .8 25* .6 .6 100 ----- ----- Basin wide percent of average 55* 165 SHOSHONE RIVER BLACKWATER 9780 .7 1.1 64* 1.2 .7 171 EVENING STAR 9200 .0 1.3 0* .4 .8 50 KIRWIN 9550 .5 .6 83* .8 .5 160 MARQUETTE 8760 .8 .4 200* 1.3 .5 260 SYLVAN LAKE 8420 .0 1.0 0* .8 .8 100 SYLVAN ROAD 8120 .0 .5 0* .3 .6 50 YOUNTS PEAK 8350 .2 .8 25* .6 .6 100 ----- ----- Basin wide percent of average 39* 120 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .2 50* 1.0 .5 200 BONE SPRINGS DIV 9350 .6 1.4 43* 1.2 .6 200 BURGESS JUNCTION 7880 .0 .6 0* 1.0 .6 167 CLOUD PEAK RESERVOIR 9860 .8 .5 160* 2.0 .6 333 DOME LAKE 8880 .4 .7 57* 1.1 .7 157 GRAVE SPRINGS 8550 .4 -M * 1.3 .6 217 HANSEN SAWMILL 8760 .1 .2 50* .9 .5 180 MIDDLE POWDER 7760 .1 .5 20* 1.5 .6 250 POWDER RIVER PASS 9480 .1 .4 25* .9 .6 150 SUCKER CREEK 8880 .2 .5 40* 1.0 .6 167 TIE CREEK 6870 .1 -M * .6 .6 100 ----- ----- Basin wide percent of average 48* 192 BELLE FOURCHE BLIND PARK 6890 .0 .6 0* 3.0 .5 600 NORTH RAPID CREEK 6130 .0 -M * 3.8 -M * WARREN PEAK 6520 .0 .6 0* 3.2 .4 800 ----- ----- Basin wide percent of average 0* 689 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .3 0* 2.0 .7 286 DIVIDE PEAK 8800 -M .4 * -M .9 * ELK RIVER 8700 .0 .0 100* 3.7 .7 529 JOE WRIGHT 10120 1.3 .7 186* 3.4 1.0 340 NORTH FRENCH CREEK 10100 2.2 .4 550* 3.5 .7 500 OLD BATTLE 10000 1.7 1.3 131* 3.4 .9 378 SOUTH BRUSH CREEK 8400 1.6 .1 1600* -M .7 * TOWER 10500 1.4 1.4 100* 3.3 1.2 275 WEBBER SPRINGS 9200 .0 .3 0* 2.4 .9 267 WILLOW CREEK PASS 9540 .3 .1 300* 1.7 .5 340 ----- ----- Basin wide percent of average 185* 355 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .5 .7 71* .0 .7 0 CASPER MTN. 7900 .8 .3 267* 2.2 .7 314 DEADMAN HILL 10220 .8 .3 267* 1.7 .7 243 DEER PARK 9700 .9 -M * 1.7 -M * LAPRELE CREEK 8320 .0 .1 0* 2.5 .4 625 RENO HILL 8400 1.9 .4 475* 2.9 .7 414 ROACH 9700 .0 .3 0* 1.4 .8 175 SAND LAKE 10080 2.6 .6 433* 4.3 .8 538 SOUTH PASS 9040 .5 .9 56* 1.4 .6 233 WINDY PEAK 7840 .0 .0 100* 2.7 .3 900 ----- ----- Basin wide percent of average 197* 335 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 2.2 .5 440 DIVIDE PEAK 8800 -M .4 * -M .9 * OLD BATTLE 10000 1.7 1.3 131* 3.4 .9 378 SANDSTONE RS 8150 .0 .0 100* 3.1 .5 620 WHISKEY PARK 8950 .4 .4 100* 3.4 .6 567 ----- ----- Basin wide percent of average 124* 484 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .0 * 1.4 .5 280 BLIND BULL SUM 8650 .1 .0 * .7 .6 117 EAST RIM DIVIDE 7930 .0 .0 100* .4 .4 100 ELKHART PARK G.S. 9400 .0 .0 100* .6 .5 120 GROS VENTRE SUMMIT 8775 .5 .0 * .6 .5 120 KENDALL R.S. 7740 .0 .0 100* .4 .4 100 LOOMIS PARK 8240 .1 .0 * .6 .5 120 NEW FORK LAKE 8340 .0 .0 100* .2 .4 50 SNIDER BASIN 8250 .0 .0 100* .7 .4 175 SPRING CREEK DIVIDE 9000 .5 .0 * 1.2 .6 200 TRIPLE PEAK 8500 .0 .0 100* 1.0 .8 125 ----- ----- Basin wide percent of average * 139 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.3 .4 325 HEWINTA 9500 .0 .1 0* 1.0 .7 143 HICKERSON PARK 9150 .4 .0 * .6 .6 100 HOLE-IN-ROCK 9150 .0 .0 100* 1.1 .6 183 INDIAN CREEK 9425 .9 .0 * 1.5 .7 214 KELLEY R.S. 8180 .0 .0 100* 1.1 .5 220 STEEL CREEK PARK 10100 .0 .7 0* 1.3 .7 186 ----- ----- Basin wide percent of average 0* 188 UPPER BEAR RIVER BUG LAKE 7950 .1 .5 20* 1.5 1.0 150 HAYDEN FORK 9400 .0 .2 0* .9 .7 129 KELLEY R.S. 8180 .0 .0 100* 1.1 .5 220 LILY LAKE 9050 .0 .3 0* 1.4 .8 175 MONTE CRISTO 8960 .1 .6 17* 1.6 1.0 160 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .5 240 TRIAL LAKE 9960 .1 .6 17* .9 .8 112 ----- ----- Basin wide percent of average 14* 162 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. 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.