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 SUNDAY: OCTOBER 13 , 2002 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .1 0* .5 .8 62 COTTONWOOD CREEK 7600 .1 .1 100* .9 1.2 75 GRANITE CREEK 6770 .0 .1 0* 1.0 .7 143 GRASSY LAKE 7265 .0 .3 0* 1.2 1.4 86 GROS VENTRE SUMMIT 8775 .7 .5 140* .9 .7 129 LEWIS LAKE DIVIDE 7860 .0 .1 0* 1.2 1.3 92 PHILLIPS BENCH 8200 .0 .2 0* .8 1.0 80 SALT RIVER SUMMIT 7600 .0 .0 100* .8 .8 100 SNAKE RIVER STATION 6920 -M .0 * .8 .9 89 SPRING CREEK DIVIDE 9000 .5 .3 167* 1.0 1.0 100 THUMB DIVIDE 7980 .0 .1 0* 1.2 .8 150 TOGWOTEE PASS 9580 .8 .9 89* .8 1.1 73 TWO OCEAN PLATEAU 9360 1.4 1.0 140* 1.2 1.2 100 WILLOW CREEK 8450 .0 .3 0* 1.0 1.5 67 ----- ----- Basin wide percent of average 87* 92 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.7 1.2 142* 1.6 .9 178 BLACK BEAR 8170 1.5 .7 214* 1.8 1.4 129 CANYON 8090 .5 .2 250* 1.1 .7 157 FISHER CREEK 9100 1.4 .9 156* 1.5 1.3 115 MADISON PLATEAU 7750 .3 .4 75* 1.1 1.0 110 NORTHEAST ENTRANCE 7350 .1 .1 100* .8 .6 133 PARKER PEAK 9400 1.3 1.1 118* 2.2 .9 244 SYLVAN LAKE 8420 .6 .8 75* 1.7 1.0 170 THUMB DIVIDE 7980 .0 .1 0* 1.2 .8 150 TWO OCEAN PLATEAU 9360 1.4 1.0 140* 1.2 1.2 100 WHISKEY CREEK 6800 .3 .1 300* .7 .9 78 WHITE MILL 8700 1.2 .6 200* 1.2 1.1 109 WOLVERINE 7650 .3 .1 300* 1.8 .7 257 ----- ----- Basin wide percent of average 145* 143 WIND RIVER BURROUGHS CREEK 8750 .6 .3 200* 1.0 .7 143 COLD SPRINGS 9630 .3 .2 150* 1.3 .8 162 DEER PARK 9700 .4 .7 57* .6 1.0 60 HOBBS PARK 10100 1.8 .6 300* 1.6 .9 178 LITTLE WARM 9370 .3 .4 75* .7 .7 100 SOUTH PASS 9040 .0 .4 0* .6 .9 67 ST. LAWRENCE ALT 8620 .4 .1 400* 1.5 .7 214 TOGWOTEE PASS 9580 .8 .9 89* .8 1.1 73 TOWNSEND CREEK 8700 .0 .3 0* 1.4 .9 156 ----- ----- Basin wide percent of average 118* 123 BIGHORN BASIN BALD MTN. 9380 1.6 1.4 114* 1.5 1.0 150 BEAR TRAP MEADOW 8200 .2 .2 100* 1.0 .7 143 BLACKWATER 9780 2.3 1.4 164* 2.2 1.1 200 BONE SPRINGS DIV 9350 1.8 1.2 150* 1.6 1.0 160 EVENING STAR 9200 1.1 1.1 100* 1.5 1.1 136 GRAVE SPRINGS 8550 .1 .2 50* .9 .9 100 KIRWIN 9550 .7 .7 100* 1.1 .7 157 MARQUETTE 8760 1.1 .8 138* 1.3 .9 144 MIDDLE POWDER 7760 .5 .5 100* .9 1.0 90 OWL CREEK 8975 1.1 .3 367* 1.1 .5 220 POWDER RIVER PASS 9480 .7 .5 140* 1.3 .8 162 SHELL CREEK 9580 1.4 1.5 93* 1.6 .8 200 SYLVAN LAKE 8420 .6 .8 75* 1.7 1.0 170 SYLVAN ROAD 7120 .2 .1 200* 1.5 .9 167 TIMBER CREEK 7950 .1 .1 100* 1.1 .7 157 YOUNTS PEAK 8350 .7 .5 140* .7 .7 100 ----- ----- Basin wide percent of average 126* 152 SHOSHONE RIVER BLACKWATER 9780 2.3 1.4 164* 2.2 1.1 200 EVENING STAR 9200 1.1 1.1 100* 1.5 1.1 136 KIRWIN 9550 .7 .7 100* 1.1 .7 157 MARQUETTE 8760 1.1 .8 138* 1.3 .9 144 SYLVAN LAKE 8420 .6 .8 75* 1.7 1.0 170 SYLVAN ROAD 7120 .2 .1 200* 1.5 .9 167 YOUNTS PEAK 8350 .7 .5 140* .7 .7 100 ----- ----- Basin wide percent of average 124* 156 POWDER-TONGUE BEAR TRAP MEADOW 8200 .2 .2 100* 1.0 .7 143 BIG GOOSE 7990 .4 .3 133* 1.2 .9 133 BONE SPRINGS DIV 9350 1.8 1.2 150* 1.6 1.0 160 BURGESS JUNCTION 7880 .5 .6 83* 1.3 .9 144 CLOUD PEAK RESERVOIR 9860 .5 .4 125* 1.4 1.0 140 DOME LAKE 8880 1.0 .6 167* 1.5 1.0 150 GRAVE SPRINGS 8550 .1 .2 50* .9 .9 100 HANSEN SAWMILL 8360 .5 .2 250* 1.1 .7 157 MIDDLE POWDER 7760 .5 .5 100* .9 1.0 90 POWDER RIVER PASS 9480 .7 .5 140* 1.3 .8 162 SUCKER CREEK 8880 .7 .5 140* 1.6 1.0 160 TIE CREEK 6870 .1 .0 * 1.2 1.0 120 ----- ----- Basin wide percent of average 133* 138 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* .9 1.0 90 COLE CANYON 5910 .0 -M * .3 -M * NORTH RAPID CREEK 6130 .1 .1 100* .8 1.0 80 ----- ----- Basin wide percent of average 100* 85 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 1.3 1.0 130 DIVIDE PEAK 8800 .0 .6 0* 2.0 1.1 182 ELK RIVER 8700 .0 .1 0* 1.3 .9 144 JOE WRIGHT 10120 .3 .7 43* 1.1 1.4 79 NORTH FRENCH CREEK 10100 1.0 1.2 83* 2.0 1.4 143 OLD BATTLE 10000 2.0 1.0 200* 2.4 1.4 171 SAGE CREEK BASIN 7850 .0 .3 0* 1.4 -M * SOUTH BRUSH CREEK 8400 .0 .2 0* 1.5 1.0 150 TOWER 10500 1.8 .9 200* 2.6 1.6 162 WEBBER SPRINGS 9200 .0 .4 0* 1.4 1.2 117 WILLOW CREEK PASS 9540 .0 .3 0* .4 .8 50 ----- ----- Basin wide percent of average 89* 136 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .8 0* 1.4 1.0 140 CASPER MTN. 7900 .0 .5 0* .9 1.0 90 DEADMAN HILL 10220 -M .8 * .4 1.0 40 DEER PARK 9700 .4 .7 57* .6 1.0 60 LAPRELE CREEK 8320 .0 .3 0* .8 .8 100 RENO HILL 8400 .1 .6 17* -M 1.0 * ROACH 9700 .0 .3 0* .6 .9 67 SAND LAKE 10080 .0 1.2 0* 1.6 1.2 133 SOUTH PASS 9040 .0 .4 0* .6 .9 67 WINDY PEAK 7840 .1 .1 100* .9 .7 129 ----- ----- Basin wide percent of average 12* 92 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.6 .8 200 DIVIDE PEAK 8800 .0 .6 0* 2.0 1.1 182 OLD BATTLE 10000 2.0 1.0 200* 2.4 1.4 171 SANDSTONE RS 8150 .0 .1 0* 1.4 .9 156 WHISKEY PARK 8950 .0 .4 0* 1.7 1.2 142 ----- ----- Basin wide percent of average 95* 169 UPPER GREEN RIVER BIG SANDY OPENING 9100 .8 .3 267* .7 .7 100 BLIND BULL SUM 8650 .3 .3 100* .9 .9 100 EAST RIM DIVIDE 7930 .2 .0 * 1.1 .5 220 ELKHART PARK G.S. 9400 .7 .2 350* 1.3 .8 162 GROS VENTRE SUMMIT 8775 .7 .5 140* .9 .7 129 KENDALL R.S. 7740 .2 .0 * .9 .6 150 LOOMIS PARK 8240 .1 .2 50* 1.1 .7 157 NEW FORK LAKE 8340 .2 .0 * .4 .6 67 SNIDER BASIN 8250 .0 .1 0* .8 .7 114 SPRING CREEK DIVIDE 9000 .5 .3 167* 1.0 1.0 100 TRIPLE PEAK 8500 .1 .2 50* 1.1 .9 122 ----- ----- Basin wide percent of average 152* 126 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.0 .6 167 HEWINTA 9500 -M .3 * 1.0 1.0 100 HICKERSON PARK 9150 .0 .0 100* 1.2 .7 171 HOLE-IN-ROCK 9150 .0 .0 100* 1.0 .7 143 INDIAN CREEK 9425 1.3 .3 433* 1.5 1.0 150 KELLEY R.S. 8180 .1 .2 50* .7 .9 78 STEEL CREEK PARK 10100 -M .7 * .5 .9 56 ----- ----- Basin wide percent of average 280* 119 UPPER BEAR RIVER BUG LAKE 7950 .0 .5 0* .9 .9 100 HAYDEN FORK 9400 .0 .4 0* 1.4 1.0 140 KELLEY R.S. 8180 .1 .2 50* .7 .9 78 LILY LAKE 9050 .0 .4 0* 1.3 1.0 130 MONTE CRISTO 8960 -M .6 * .8 1.1 73 SALT RIVER SUMMIT 7600 .0 .0 100* .8 .8 100 TRIAL LAKE 9960 .0 .7 0* 1.4 1.1 127 ----- ----- Basin wide percent of average 5* 107 ----------------------------------------------------------------------------- -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 1971-2000. 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.