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 14 , 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 .8 50 COTTONWOOD CREEK 7600 .0 .0 100* 1.9 .9 211 GRANITE CREEK 6770 .0 .0 100* .2 1.0 20 GRASSY LAKE 7265 .0 .0 100* .0 1.4 0 GROS VENTRE SUMMIT 8775 .0 .0 100* .7 .7 100 LEWIS LAKE DIVIDE 7860 .0 .0 100* .1 1.4 7 PHILLIPS BENCH 8200 .0 .0 100* .4 1.1 36 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .7 171 SNAKE RIVER STATION 6920 .1 .0 * -M 1.0 * SPRING CREEK DIVIDE 9000 .3 .0 * 1.2 .9 133 THUMB DIVIDE 7980 .2 .0 * .1 .8 12 TOGWOTEE PASS 9580 .6 .9 67* .8 1.0 80 TWO OCEAN PLATEAU 9360 .6 1.2 50* .9 1.2 75 WILLOW CREEK 8450 .0 .0 100* 1.4 1.2 117 ----- ----- Basin wide percent of average 57* 71 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .8 1.4 57* .7 .8 88 BLACK BEAR 7950 .0 1.1 0* .2 1.5 13 CANYON 7940 .0 .2 0* .1 .8 12 FISHER CREEK 9100 .3 .9 33* .9 1.3 69 MADISON PLATEAU 7750 .0 .5 0* .1 1.0 10 NORTHEAST ENTRANCE 7350 .0 .0 100* .4 .6 67 PARKER PEAK 9400 .0 1.6 0* .7 .9 78 SYLVAN LAKE 8420 .0 1.1 0* .8 1.1 73 THUMB DIVIDE 7980 .2 .0 * .1 .8 12 TWO OCEAN PLATEAU 9360 .6 1.2 50* .9 1.2 75 WHISKEY CREEK 6800 .0 .2 0* .1 .9 11 WHITE MILL 8700 .0 .8 0* .5 1.1 45 WOLVERINE 7650 .1 .1 100* .7 .7 100 ----- ----- Basin wide percent of average 20* 49 WIND RIVER BURROUGHS CREEK 8750 .4 .3 133* .5 .7 71 COLD SPRINGS 9630 .1 .3 33* .9 .8 112 DEER PARK 9700 .8 -M * 1.6 -M * HOBBS PARK 10100 1.9 .8 238* 2.4 .8 300 LITTLE WARM 9620 .1 .4 25* .9 .8 112 SOUTH PASS 9040 .3 1.2 25* 1.5 .9 167 ST. LAWRENCE ALT 8620 .0 .3 0* 1.6 .7 229 TOGWOTEE PASS 9580 .6 .9 67* .8 1.0 80 TOWNSEND CREEK 8700 1.0 .3 333* 2.1 .8 262 ----- ----- Basin wide percent of average 98* 165 BIGHORN BASIN BALD MTN. 9375 1.5 1.3 115* 1.7 1.0 170 BEAR TRAP MEADOW 7900 .1 .2 50* 1.2 .7 171 BLACKWATER 9780 1.1 1.3 85* 1.3 1.0 130 BONE SPRINGS DIV 9350 1.0 1.6 62* 1.6 .9 178 EVENING STAR 9200 .0 1.6 0* .5 1.2 42 GRAVE SPRINGS 8550 .0 -M * 1.5 .8 188 KIRWIN 9550 .7 .7 100* .8 .7 114 MARQUETTE 8760 .8 .5 160* 1.5 .8 188 MIDDLE POWDER 7760 .1 .6 17* 2.1 .9 233 OWL CREEK 8975 .3 .4 75* .9 .4 225 POWDER RIVER PASS 9480 .1 .5 20* 1.1 .8 138 SHELL CREEK 9580 1.3 1.4 93* 1.1 .8 138 SYLVAN LAKE 8420 .0 1.1 0* .8 1.1 73 SYLVAN ROAD 8120 .0 .6 0* .3 .9 33 TIMBER CREEK 7950 .1 .1 100* 1.3 .5 260 YOUNTS PEAK 8350 .7 1.0 70* .7 .8 88 ----- ----- Basin wide percent of average 60* 138 SHOSHONE RIVER BLACKWATER 9780 1.1 1.3 85* 1.3 1.0 130 EVENING STAR 9200 .0 1.6 0* .5 1.2 42 KIRWIN 9550 .7 .7 100* .8 .7 114 MARQUETTE 8760 .8 .5 160* 1.5 .8 188 SYLVAN LAKE 8420 .0 1.1 0* .8 1.1 73 SYLVAN ROAD 8120 .0 .6 0* .3 .9 33 YOUNTS PEAK 8350 .7 1.0 70* .7 .8 88 ----- ----- Basin wide percent of average 49* 91 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .2 50* 1.2 .7 171 BONE SPRINGS DIV 9350 1.0 1.6 62* 1.6 .9 178 BURGESS JUNCTION 7880 .1 .7 14* 1.2 .8 150 CLOUD PEAK RESERVOIR 9860 .3 .6 50* 2.2 .9 244 DOME LAKE 8880 .2 .9 22* 1.2 1.0 120 GRAVE SPRINGS 8550 .0 -M * 1.5 .8 188 HANSEN SAWMILL 8760 .2 .3 67* .9 .7 129 MIDDLE POWDER 7760 .1 .6 17* 2.1 .9 233 POWDER RIVER PASS 9480 .1 .5 20* 1.1 .8 138 SUCKER CREEK 8880 .2 .6 33* 1.6 .9 178 TIE CREEK 6870 .1 -M * -M .8 * ----- ----- Basin wide percent of average 38* 174 BELLE FOURCHE BLIND PARK 6890 .0 .8 0* 3.2 .8 400 NORTH RAPID CREEK 6130 .0 -M * 4.2 -M * WARREN PEAK 6520 .0 .8 0* 4.0 .6 667 ----- ----- Basin wide percent of average 0* 514 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .5 0* 2.0 1.0 200 DIVIDE PEAK 8800 -M .6 * -M 1.3 * ELK RIVER 8700 .0 .0 100* 3.6 1.0 360 JOE WRIGHT 10120 .6 1.0 60* 3.4 1.5 227 NORTH FRENCH CREEK 10100 1.8 .6 300* 3.6 1.0 360 OLD BATTLE 10000 1.4 1.7 82* 3.4 1.3 262 SOUTH BRUSH CREEK 8400 .7 .1 700* -M 1.0 * TOWER 10500 1.0 2.0 50* 3.3 1.7 194 WEBBER SPRINGS 9200 .0 .5 0* 2.4 1.3 185 WILLOW CREEK PASS 9540 .4 .2 200* 1.8 .8 225 ----- ----- Basin wide percent of average 89* 245 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .2 .9 22* .0 1.0 0 CASPER MTN. 7900 .1 .4 25* 2.2 1.0 220 DEADMAN HILL 10220 .6 .4 150* 1.7 1.0 170 DEER PARK 9700 .8 -M * 1.6 -M * LAPRELE CREEK 8320 .0 .1 0* 2.5 .6 417 RENO HILL 8400 1.3 .6 217* 3.0 1.0 300 ROACH 9700 .0 .4 0* 1.4 1.1 127 SAND LAKE 10080 2.4 .8 300* 4.5 1.1 409 SOUTH PASS 9040 .3 1.2 25* 1.5 .9 167 WINDY PEAK 7840 .0 .0 100* 2.9 .5 580 ----- ----- Basin wide percent of average 102* 240 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 2.2 .8 275 DIVIDE PEAK 8800 -M .6 * -M 1.3 * OLD BATTLE 10000 1.4 1.7 82* 3.4 1.3 262 SANDSTONE RS 8150 .0 .0 100* 3.1 .7 443 WHISKEY PARK 8950 .1 .6 17* 3.4 .8 425 ----- ----- Basin wide percent of average 65* 336 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .0 * 1.4 .7 200 BLIND BULL SUM 8650 .1 .0 * .7 .8 88 EAST RIM DIVIDE 7930 .0 .0 100* .4 .6 67 ELKHART PARK G.S. 9400 .0 .0 100* .6 .7 86 GROS VENTRE SUMMIT 8775 .0 .0 100* .7 .7 100 KENDALL R.S. 7740 .1 .0 * .4 .6 67 LOOMIS PARK 8240 .1 .0 * .6 .8 75 NEW FORK LAKE 8340 .0 .0 100* .4 .6 67 SNIDER BASIN 8250 .0 .0 100* .7 .6 117 SPRING CREEK DIVIDE 9000 .3 .0 * 1.2 .9 133 TRIPLE PEAK 8500 .1 .0 * 1.1 1.2 92 ----- ----- Basin wide percent of average * 100 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.3 .5 260 HEWINTA 9500 .0 .1 0* 1.1 1.0 110 HICKERSON PARK 9150 .4 .0 * .5 .9 56 HOLE-IN-ROCK 9150 .0 .0 100* 1.1 .9 122 INDIAN CREEK 9425 .8 .0 * 1.6 1.0 160 KELLEY R.S. 8180 .0 .0 100* 1.2 .8 150 STEEL CREEK PARK 10100 -M .8 * 1.3 1.0 130 ----- ----- Basin wide percent of average 0* 133 UPPER BEAR RIVER BUG LAKE 7950 .0 .6 0* 1.5 1.4 107 HAYDEN FORK 9400 .0 .3 0* .9 1.0 90 KELLEY R.S. 8180 .0 .0 100* 1.2 .8 150 LILY LAKE 9050 .0 .4 0* 1.4 1.1 127 MONTE CRISTO 8960 .1 .7 14* 1.6 1.5 107 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .7 171 TRIAL LAKE 9960 .1 .7 14* .9 1.2 75 ----- ----- Basin wide percent of average 7* 113 ----------------------------------------------------------------------------- -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.