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 THURSDAY: OCTOBER 15 , 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* .3 .9 33 COTTONWOOD CREEK 7600 .0 .0 100* 1.8 1.0 180 GRANITE CREEK 6770 .0 .0 100* .2 1.0 20 GRASSY LAKE 7265 .0 .0 100* .0 1.5 0 GROS VENTRE SUMMIT 8775 .0 .0 100* .6 .7 86 LEWIS LAKE DIVIDE 7860 .0 .0 100* .1 1.5 7 PHILLIPS BENCH 8200 .0 .0 100* .4 1.2 33 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .8 150 SNAKE RIVER STATION 6920 .0 .0 100* .2 1.0 20 SPRING CREEK DIVIDE 9000 .1 .0 * 1.2 .9 133 THUMB DIVIDE 7980 .2 .0 * .1 .9 11 TOGWOTEE PASS 9580 .6 1.0 60* .8 1.1 73 TWO OCEAN PLATEAU 9360 .6 1.3 46* .9 1.3 69 WILLOW CREEK 8450 .0 .0 100* 1.4 1.3 108 ----- ----- Basin wide percent of average 52* 61 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .8 1.5 53* .6 .9 67 BLACK BEAR 7950 .0 1.2 0* .2 1.6 12 CANYON 7940 .0 .2 0* .1 .8 12 FISHER CREEK 9100 .2 .9 22* .7 1.4 50 MADISON PLATEAU 7750 .0 .5 0* .0 1.1 0 NORTHEAST ENTRANCE 7350 .0 .0 100* .4 .7 57 PARKER PEAK 9400 .0 1.7 0* .8 1.0 80 SYLVAN LAKE 8420 .0 1.1 0* .8 1.2 67 THUMB DIVIDE 7980 .2 .0 * .1 .9 11 TWO OCEAN PLATEAU 9360 .6 1.3 46* .9 1.3 69 WHISKEY CREEK 6800 .1 .2 50* .0 1.0 0 WHITE MILL 8700 .0 .8 0* .4 1.2 33 WOLVERINE 7650 .0 .1 0* .8 .7 114 ----- ----- Basin wide percent of average 18* 42 WIND RIVER BURROUGHS CREEK 8750 .4 .3 133* .5 .7 71 COLD SPRINGS 9630 .1 .3 33* .9 .9 100 DEER PARK 9700 .8 -M * 1.7 -M * HOBBS PARK 10100 1.8 .8 225* 2.4 .9 267 LITTLE WARM 9620 .1 .4 25* .9 .8 112 SOUTH PASS 9040 .3 1.3 23* 1.4 1.0 140 ST. LAWRENCE ALT 8620 .0 .3 0* 1.6 .8 200 TOGWOTEE PASS 9580 .6 1.0 60* .8 1.1 73 TOWNSEND CREEK 8700 .8 .3 267* 2.1 .9 233 ----- ----- Basin wide percent of average 87* 149 BIGHORN BASIN BALD MTN. 9375 1.5 1.4 107* 1.6 1.0 160 BEAR TRAP MEADOW 7900 .1 .2 50* 1.1 .7 157 BLACKWATER 9780 1.1 1.3 85* 1.3 1.1 118 BONE SPRINGS DIV 9350 .9 1.7 53* 1.5 1.0 150 EVENING STAR 9200 .0 1.7 0* .4 1.3 31 GRAVE SPRINGS 8550 .0 -M * 1.5 .9 167 KIRWIN 9550 .7 .7 100* .8 .7 114 MARQUETTE 8760 .8 .5 160* 1.4 .8 175 MIDDLE POWDER 7760 .1 .6 17* 2.1 .9 233 OWL CREEK 8975 .1 .4 25* .8 .5 160 POWDER RIVER PASS 9480 .1 .5 20* 1.1 .9 122 SHELL CREEK 9580 1.3 1.5 87* 1.1 .9 122 SYLVAN LAKE 8420 .0 1.1 0* .8 1.2 67 SYLVAN ROAD 8120 .0 .6 0* .3 1.0 30 TIMBER CREEK 7950 .1 .1 100* 1.3 .6 217 YOUNTS PEAK 8350 .7 1.0 70* .6 .9 67 ----- ----- Basin wide percent of average 56* 123 SHOSHONE RIVER BLACKWATER 9780 1.1 1.3 85* 1.3 1.1 118 EVENING STAR 9200 .0 1.7 0* .4 1.3 31 KIRWIN 9550 .7 .7 100* .8 .7 114 MARQUETTE 8760 .8 .5 160* 1.4 .8 175 SYLVAN LAKE 8420 .0 1.1 0* .8 1.2 67 SYLVAN ROAD 8120 .0 .6 0* .3 1.0 30 YOUNTS PEAK 8350 .7 1.0 70* .6 .9 67 ----- ----- Basin wide percent of average 48* 80 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .2 50* 1.1 .7 157 BONE SPRINGS DIV 9350 .9 1.7 53* 1.5 1.0 150 BURGESS JUNCTION 7880 .0 .7 0* 1.2 .9 133 CLOUD PEAK RESERVOIR 9860 .1 .6 17* 1.9 .9 211 DOME LAKE 8880 .2 .9 22* 1.2 1.0 120 GRAVE SPRINGS 8550 .0 -M * 1.5 .9 167 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 .9 122 SUCKER CREEK 8880 .2 .6 33* 1.3 1.0 130 TIE CREEK 6870 .0 -M * -M .9 * ----- ----- Basin wide percent of average 31* 155 BELLE FOURCHE BLIND PARK 6890 .0 .8 0* 3.2 .8 400 NORTH RAPID CREEK 6130 .0 -M * 4.0 -M * WARREN PEAK 6520 .0 .8 0* 3.7 .6 617 ----- ----- Basin wide percent of average 0* 493 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .5 0* 2.0 1.1 182 DIVIDE PEAK 8800 -M .6 * -M 1.4 * ELK RIVER 8700 .0 .0 100* 4.2 1.0 420 JOE WRIGHT 10120 .1 1.1 9* 3.4 1.6 212 NORTH FRENCH CREEK 10100 1.7 .6 283* 3.6 1.0 360 OLD BATTLE 10000 1.3 1.8 72* 3.4 1.4 243 SOUTH BRUSH CREEK 8400 .5 .1 500* -M 1.0 * TOWER 10500 .8 2.1 38* 3.3 1.8 183 WEBBER SPRINGS 9200 .0 .5 0* 2.4 1.4 171 WILLOW CREEK PASS 9540 .0 .2 0* 1.7 .8 212 ----- ----- Basin wide percent of average 64* 238 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .9 0* .1 1.1 9 CASPER MTN. 7900 .1 .4 25* 2.2 1.1 200 DEADMAN HILL 10220 .7 .4 175* 1.7 1.1 155 DEER PARK 9700 .8 -M * 1.7 -M * LAPRELE CREEK 8320 .0 .1 0* 2.5 .7 357 RENO HILL 8400 1.2 .6 200* 2.9 1.1 264 ROACH 9700 .0 .4 0* 1.4 1.2 117 SAND LAKE 10080 2.4 .9 267* 4.4 1.2 367 SOUTH PASS 9040 .3 1.3 23* 1.4 1.0 140 WINDY PEAK 7840 .0 .0 100* 2.7 .5 540 ----- ----- Basin wide percent of average 94* 214 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 2.2 .8 275 DIVIDE PEAK 8800 -M .6 * -M 1.4 * OLD BATTLE 10000 1.3 1.8 72* 3.4 1.4 243 SANDSTONE RS 8150 .0 .0 100* 3.1 .8 388 WHISKEY PARK 8950 .0 .6 0* 3.4 .9 378 ----- ----- Basin wide percent of average 54* 310 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .0 * 1.4 .7 200 BLIND BULL SUM 8650 .1 .0 * .7 .9 78 EAST RIM DIVIDE 7930 .0 .0 100* .3 .7 43 ELKHART PARK G.S. 9400 .1 .0 * .6 .7 86 GROS VENTRE SUMMIT 8775 .0 .0 100* .6 .7 86 KENDALL R.S. 7740 .1 .0 * .4 .7 57 LOOMIS PARK 8240 .1 .0 * .6 .8 75 NEW FORK LAKE 8340 .0 .0 100* .4 .6 67 SNIDER BASIN 8250 .0 .0 100* .6 .7 86 SPRING CREEK DIVIDE 9000 .1 .0 * 1.2 .9 133 TRIPLE PEAK 8500 .1 .0 * 1.1 1.3 85 ----- ----- Basin wide percent of average * 91 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.2 .6 200 HEWINTA 9500 .0 .1 0* 1.1 1.1 100 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 * 1.4 1.1 127 ----- ----- Basin wide percent of average 0* 127 UPPER BEAR RIVER BUG LAKE 7950 .1 .6 17* 1.5 1.5 100 HAYDEN FORK 9400 .0 .3 0* .8 1.1 73 KELLEY R.S. 8180 .0 .0 100* 1.2 .8 150 LILY LAKE 9050 .1 .4 25* 1.4 1.2 117 MONTE CRISTO 8960 .1 .7 14* 1.6 1.6 100 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .8 150 TRIAL LAKE 9960 .1 .7 14* .8 1.3 62 ----- ----- Basin wide percent of average 15* 102 ----------------------------------------------------------------------------- -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.