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 14 , 2000 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.0 .0 * 1.8 .8 225 COTTONWOOD CREEK 7600 .8 .0 * 1.3 .9 144 GRANITE CREEK 6770 .8 .0 * 1.7 1.0 170 GRASSY LAKE 7265 1.8 .0 * 2.4 1.4 171 GROS VENTRE SUMMIT 8775 1.1 .0 * 1.2 .7 171 LEWIS LAKE DIVIDE 7860 1.6 .0 * 2.7 1.4 193 PHILLIPS BENCH 8200 1.9 .0 * 2.0 1.1 182 SALT RIVER SUMMIT 7600 .4 .0 * 1.3 .7 186 SNAKE RIVER STATION 6920 .8 .0 * 2.4 1.0 240 SPRING CREEK DIVIDE 9000 1.3 .0 * 1.5 .9 167 THUMB DIVIDE 7980 -M .0 * -M .8 * TOGWOTEE PASS 9580 1.5 .9 167* 1.5 1.0 150 TWO OCEAN PLATEAU 9360 2.3 1.2 192* 2.1 1.2 175 WILLOW CREEK 8450 1.4 .0 * 1.9 1.2 158 ----- ----- Basin wide percent of average 181* 179 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.5 1.4 107* 1.5 .8 188 BLACK BEAR 7950 2.8 1.1 255* 3.7 1.5 247 CANYON 7940 .8 .2 400* 1.5 .8 188 FISHER CREEK 9100 2.0 .9 222* 2.6 1.3 200 MADISON PLATEAU 7750 1.9 .5 380* 2.9 1.0 290 NORTHEAST ENTRANCE 7350 .0 .0 100* 1.3 .6 217 PARKER PEAK 9400 .7 1.6 44* 1.9 .9 211 SYLVAN LAKE 8420 1.3 1.1 118* 2.4 1.1 218 THUMB DIVIDE 7980 -M .0 * -M .8 * TWO OCEAN PLATEAU 9360 2.3 1.2 192* 2.1 1.2 175 WHISKEY CREEK 6800 1.1 .2 550* 2.5 .9 278 WHITE MILL 8700 1.2 .8 150* 2.2 1.1 200 WOLVERINE 7650 .0 .1 0* 1.5 .7 214 ----- ----- Basin wide percent of average 171* 219 WIND RIVER BURROUGHS CREEK 8750 .3 .3 100* .6 .7 86 COLD SPRINGS 9630 .2 .3 67* .3 .8 37 DEER PARK 9700 1.7 -M * 1.8 -M * HOBBS PARK 10100 .8 .8 100* .5 .8 62 LITTLE WARM 9620 .6 .4 150* .6 .8 75 SOUTH PASS 9040 1.0 1.2 83* 1.0 .9 111 ST. LAWRENCE ALT 8620 .1 .3 33* .2 .7 29 TOGWOTEE PASS 9580 1.5 .9 167* 1.5 1.0 150 TOWNSEND CREEK 8700 .2 .3 67* .7 .8 87 ----- ----- Basin wide percent of average 104* 83 BIGHORN BASIN BALD MTN. 9375 .6 1.3 46* 1.2 1.0 120 BEAR TRAP MEADOW 7900 .0 .2 0* .2 .7 29 BLACKWATER 9780 1.7 1.3 131* 1.8 1.0 180 BONE SPRINGS DIV 9350 .6 1.6 37* 1.4 .9 156 EVENING STAR 9200 .9 1.6 56* 2.8 1.2 233 GRAVE SPRINGS 8550 .0 .5 -0* .4 .8 50 KIRWIN 9550 .7 .7 100* 1.1 .7 157 MARQUETTE 8760 .2 .5 40* .9 .8 112 MIDDLE POWDER 7760 .1 .6 17* .6 .9 67 OWL CREEK 8975 .2 .4 50* .4 .4 100 POWDER RIVER PASS 9480 .2 .5 40* 1.2 .8 150 SHELL CREEK 9580 1.2 1.4 86* 1.1 .8 138 SYLVAN LAKE 8420 1.3 1.1 118* 2.4 1.1 218 SYLVAN ROAD 8120 .5 .6 83* 2.3 .9 256 TIMBER CREEK 7950 .2 .1 200* .8 .5 160 YOUNTS PEAK 8350 1.1 1.0 110* 2.2 .8 275 ----- ----- Basin wide percent of average 71* 156 SHOSHONE RIVER BLACKWATER 9780 1.7 1.3 131* 1.8 1.0 180 EVENING STAR 9200 .9 1.6 56* 2.8 1.2 233 KIRWIN 9550 .7 .7 100* 1.1 .7 157 MARQUETTE 8760 .2 .5 40* .9 .8 112 SYLVAN LAKE 8420 1.3 1.1 118* 2.4 1.1 218 SYLVAN ROAD 8120 .5 .6 83* 2.3 .9 256 YOUNTS PEAK 8350 1.1 1.0 110* 2.2 .8 275 ----- ----- Basin wide percent of average 94* 208 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .2 0* .2 .7 29 BIG GOOSE 7990 .2 -M * .7 -M * BONE SPRINGS DIV 9350 .6 1.6 37* 1.4 .9 156 BURGESS JUNCTION 7880 .6 .7 86* .7 .8 87 CLOUD PEAK RESERVOIR 9860 .4 .6 67* 1.5 .9 167 DOME LAKE 8880 .5 .9 56* 1.1 1.0 110 GRAVE SPRINGS 8550 .0 .5 -0* .4 .8 50 HANSEN SAWMILL 8760 .2 .3 67* .8 .7 114 MIDDLE POWDER 7760 .1 .6 17* .6 .9 67 POWDER RIVER PASS 9480 .2 .5 40* 1.2 .8 150 SUCKER CREEK 8880 .1 .6 17* .5 .9 56 TIE CREEK 6870 .1 -M * .9 .8 112 ----- ----- Basin wide percent of average 42* 101 BELLE FOURCHE BLIND PARK 6890 .0 .8 0* .3 .8 37 COLE CANYON 5910 .1 -M * .7 -M * NORTH RAPID CREEK 6130 .0 -M * .5 -M * ----- ----- Basin wide percent of average 0* 37* UPPER N. PLATTE RIVER COLUMBINE 9400 .2 .5 40* .2 1.0 20 DIVIDE PEAK 8800 .2 .6 33* .4 1.3 31 ELK RIVER 8700 .1 .0 * .2 1.0 20 JOE WRIGHT 10120 .0 1.0 0* .0 1.5 0 NORTH FRENCH CREEK 10100 .2 .6 33* .1 1.0 10 OLD BATTLE 10000 .2 1.7 12* .3 1.3 23 SOUTH BRUSH CREEK 8400 .1 .1 100* .0 1.0 0 TOWER 10500 .3 2.0 15* .3 1.7 18 WEBBER SPRINGS 9200 .1 .5 20* .1 1.3 8 WILLOW CREEK PASS 9540 .0 .2 0* .1 .8 12 ----- ----- Basin wide percent of average 18* 14 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .8 0* .1 1.0 10 CASPER MTN. 7900 .5 .4 125* .4 1.0 40 DEADMAN HILL 10220 .7 .4 175* .0 1.0 0 DEER PARK 9700 1.7 -M * 1.8 -M * LAPRELE CREEK 8320 .1 .1 100* .3 .6 50 RENO HILL 8400 .0 .6 0* .1 1.0 10 ROACH 9700 .0 .4 -0* .0 1.1 0 SAND LAKE 10080 .1 .8 12* .3 1.1 27 SOUTH PASS 9040 1.0 1.2 83* 1.0 .9 111 WINDY PEAK 7840 .0 .0 100* .2 .5 40 ----- ----- Basin wide percent of average 51* 29 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .3 .8 37 DIVIDE PEAK 8800 .2 .6 33* .4 1.3 31 OLD BATTLE 10000 .2 1.7 12* .3 1.3 23 SANDSTONE RS 8150 .2 .0 * .4 .7 57 WHISKEY PARK 8950 .1 .6 17* .2 .8 25 ----- ----- Basin wide percent of average 17* 33 UPPER GREEN RIVER BIG SANDY OPENING 9100 1.6 .0 * 1.8 .7 257 BLIND BULL SUM 8650 1.6 .0 * 1.6 .8 200 EAST RIM DIVIDE 7930 .9 .0 * 1.1 .6 183 ELKHART PARK G.S. 9400 1.6 .0 * 1.7 .7 243 GROS VENTRE SUMMIT 8775 1.1 .0 * 1.2 .7 171 KENDALL R.S. 7740 .9 .0 * 1.3 .6 217 LOOMIS PARK 8240 1.4 .0 * 1.4 .8 175 NEW FORK LAKE 8340 .9 .0 * 1.1 .6 183 SNIDER BASIN 8250 .8 .0 * .9 .6 150 SPRING CREEK DIVIDE 9000 1.3 .0 * 1.5 .9 167 TRIPLE PEAK 8500 1.2 .0 * 1.7 1.2 142 ----- ----- Basin wide percent of average * 187 LOWER GREEN RIVER HAMS FORK 7840 .5 .0 * .9 .5 180 HEWINTA 9500 .2 .1 200* 1.8 1.0 180 HICKERSON PARK 9150 .0 .0 100* 1.5 .9 167 HOLE-IN-ROCK 9150 .1 .0 * 1.3 .9 144 INDIAN CREEK 9425 1.9 .0 * 1.5 1.0 150 KELLEY R.S. 8180 1.2 .0 * 1.3 .8 162 STEEL CREEK PARK 10100 .9 .8 112* 1.2 1.0 120 ----- ----- Basin wide percent of average 122* 156 UPPER BEAR RIVER BUG LAKE 7950 .7 .6 117* 1.1 1.4 79 HAYDEN FORK 9400 .3 .3 100* 1.6 1.0 160 KELLEY R.S. 8180 1.2 .0 * 1.3 .8 162 LILY LAKE 9050 .5 .4 125* 1.2 1.1 109 MONTE CRISTO 8960 .3 .7 43* 1.6 1.5 107 SALT RIVER SUMMIT 7600 .4 .0 * 1.3 .7 186 TRIAL LAKE 9960 .7 .7 100* 1.7 1.2 142 ----- ----- Basin wide percent of average 93* 127 ----------------------------------------------------------------------------- -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.