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 MONDAY: OCTOBER 14 , 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 .9 56 COTTONWOOD CREEK 7600 .2 .1 200* 1.0 1.3 77 GRANITE CREEK 6770 .1 .1 100* 1.0 .8 125 GRASSY LAKE 7265 .0 .3 0* 1.2 1.5 80 GROS VENTRE SUMMIT 8775 .8 .6 133* 1.0 .8 125 LEWIS LAKE DIVIDE 7860 .0 .1 0* 1.2 1.4 86 PHILLIPS BENCH 8200 .1 .2 50* .9 1.0 90 SALT RIVER SUMMIT 7600 .1 .0 * .9 .8 112 SNAKE RIVER STATION 6920 -M .0 * .8 1.0 80 SPRING CREEK DIVIDE 9000 .5 .3 167* 1.0 1.1 91 THUMB DIVIDE 7980 .0 .1 0* 1.3 .9 144 TOGWOTEE PASS 9580 .9 .9 100* .8 1.2 67 TWO OCEAN PLATEAU 9360 2.0 1.1 182* 1.3 1.3 100 WILLOW CREEK 8450 .0 .4 0* 1.0 1.6 62 ----- ----- Basin wide percent of average 107* 89 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.8 1.2 150* 1.7 .9 189 BLACK BEAR 8170 1.5 .8 188* 1.9 1.5 127 CANYON 8090 .6 .2 300* 1.2 .8 150 FISHER CREEK 9100 1.5 1.0 150* 1.8 1.4 129 MADISON PLATEAU 7750 .3 .4 75* 1.1 1.1 100 NORTHEAST ENTRANCE 7350 .1 .1 100* .9 .7 129 PARKER PEAK 9400 1.4 1.1 127* 2.4 1.0 240 SYLVAN LAKE 8420 .7 .9 78* 1.8 1.1 164 THUMB DIVIDE 7980 .0 .1 0* 1.3 .9 144 TWO OCEAN PLATEAU 9360 2.0 1.1 182* 1.3 1.3 100 WHISKEY CREEK 6800 .3 .1 300* .8 1.0 80 WHITE MILL 8700 1.5 .7 214* 1.5 1.2 125 WOLVERINE 7650 .2 .1 200* 1.8 .8 225 ----- ----- Basin wide percent of average 153* 142 WIND RIVER BURROUGHS CREEK 8750 .7 .3 233* 1.4 .7 200 COLD SPRINGS 9630 .3 .2 150* 1.3 .8 162 DEER PARK 9700 .5 .8 62* .7 1.1 64 HOBBS PARK 10100 1.9 .7 271* 1.7 .9 189 LITTLE WARM 9370 .4 .4 100* .8 .8 100 SOUTH PASS 9040 .1 .4 25* .7 .9 78 ST. LAWRENCE ALT 8620 .3 .1 300* 1.5 .8 188 TOGWOTEE PASS 9580 .9 .9 100* .8 1.2 67 TOWNSEND CREEK 8700 .1 .3 33* 1.3 .9 144 ----- ----- Basin wide percent of average 127* 126 BIGHORN BASIN BALD MTN. 9380 1.6 1.4 114* 1.5 1.0 150 BEAR TRAP MEADOW 8200 .4 .2 200* 1.2 .8 150 BLACKWATER 9780 2.4 1.4 171* 2.4 1.2 200 BONE SPRINGS DIV 9350 1.8 1.2 150* 1.8 1.1 164 EVENING STAR 9200 1.2 1.1 109* 1.6 1.2 133 GRAVE SPRINGS 8550 .3 .2 150* 1.0 .9 111 KIRWIN 9550 1.0 .8 125* 1.4 .8 175 MARQUETTE 8760 1.2 .9 133* 1.3 1.0 130 MIDDLE POWDER 7760 .5 .6 83* .9 1.1 82 OWL CREEK 8975 1.1 .3 367* 1.1 .5 220 POWDER RIVER PASS 9480 .8 .5 160* 1.4 .8 175 SHELL CREEK 9580 1.6 1.5 107* 1.5 .9 167 SYLVAN LAKE 8420 .7 .9 78* 1.8 1.1 164 SYLVAN ROAD 7120 .2 .1 200* 1.6 .9 178 TIMBER CREEK 7950 .3 .1 300* 1.1 .7 157 YOUNTS PEAK 8350 1.0 .6 167* 1.1 .8 138 ----- ----- Basin wide percent of average 136* 153 SHOSHONE RIVER BLACKWATER 9780 2.4 1.4 171* 2.4 1.2 200 EVENING STAR 9200 1.2 1.1 109* 1.6 1.2 133 KIRWIN 9550 1.0 .8 125* 1.4 .8 175 MARQUETTE 8760 1.2 .9 133* 1.3 1.0 130 SYLVAN LAKE 8420 .7 .9 78* 1.8 1.1 164 SYLVAN ROAD 7120 .2 .1 200* 1.6 .9 178 YOUNTS PEAK 8350 1.0 .6 167* 1.1 .8 138 ----- ----- Basin wide percent of average 133* 160 POWDER-TONGUE BEAR TRAP MEADOW 8200 .4 .2 200* 1.2 .8 150 BIG GOOSE 7990 .5 .3 167* 1.3 .9 144 BONE SPRINGS DIV 9350 1.8 1.2 150* 1.8 1.1 164 BURGESS JUNCTION 7880 .7 .6 117* 1.4 1.0 140 CLOUD PEAK RESERVOIR 9860 .6 .4 150* 1.4 1.1 127 DOME LAKE 8880 1.1 .7 157* 1.5 1.1 136 GRAVE SPRINGS 8550 .3 .2 150* 1.0 .9 111 HANSEN SAWMILL 8360 .5 .2 250* 1.3 .8 162 MIDDLE POWDER 7760 .5 .6 83* .9 1.1 82 POWDER RIVER PASS 9480 .8 .5 160* 1.4 .8 175 SUCKER CREEK 8880 .7 .5 140* 1.6 1.0 160 TIE CREEK 6870 .0 .0 100* 1.4 1.1 127 ----- ----- Basin wide percent of average 146* 138 BELLE FOURCHE BLIND PARK 6890 .2 .0 * 1.1 1.1 100 COLE CANYON 5910 .1 -M * .5 -M * NORTH RAPID CREEK 6130 .1 .1 100* 1.0 1.1 91 ----- ----- Basin wide percent of average 100* 95 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 1.3 1.0 130 DIVIDE PEAK 8800 .1 .7 14* 2.0 1.2 167 ELK RIVER 8700 .1 .1 100* 1.3 1.0 130 JOE WRIGHT 10120 .6 .8 75* 1.2 1.5 80 NORTH FRENCH CREEK 10100 1.1 1.3 85* 2.1 1.5 140 OLD BATTLE 10000 2.0 1.0 200* 2.6 1.6 162 SAGE CREEK BASIN 7850 .0 .3 0* 1.4 -M * SOUTH BRUSH CREEK 8400 .1 .2 50* 1.8 1.1 164 TOWER 10500 1.8 .9 200* 2.8 1.7 165 WEBBER SPRINGS 9200 .1 .5 20* 1.6 1.3 123 WILLOW CREEK PASS 9540 .1 .3 33* .6 .9 67 ----- ----- Basin wide percent of average 98* 135 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .8 0* 1.9 1.1 173 CASPER MTN. 7900 .2 .6 33* 1.1 1.1 100 DEADMAN HILL 10220 .2 .8 25* .5 1.1 45 DEER PARK 9700 .5 .8 62* .7 1.1 64 LAPRELE CREEK 8320 .0 .3 0* 1.0 .8 125 RENO HILL 8400 .2 .6 33* -M 1.1 * ROACH 9700 .1 .3 33* .6 1.0 60 SAND LAKE 10080 .1 1.2 8* 1.6 1.3 123 SOUTH PASS 9040 .1 .4 25* .7 .9 78 WINDY PEAK 7840 .2 .1 200* .9 .8 112 ----- ----- Basin wide percent of average 27* 98 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.7 .8 212 DIVIDE PEAK 8800 .1 .7 14* 2.0 1.2 167 OLD BATTLE 10000 2.0 1.0 200* 2.6 1.6 162 SANDSTONE RS 8150 .0 .1 0* 1.4 1.0 140 WHISKEY PARK 8950 .1 .5 20* 1.8 1.3 138 ----- ----- Basin wide percent of average 96* 161 UPPER GREEN RIVER BIG SANDY OPENING 9100 .8 .4 200* .7 .8 87 BLIND BULL SUM 8650 .4 .4 100* .9 1.0 90 EAST RIM DIVIDE 7930 .2 .0 * 1.1 .6 183 ELKHART PARK G.S. 9400 .9 .2 450* 1.2 .8 150 GROS VENTRE SUMMIT 8775 .8 .6 133* 1.0 .8 125 KENDALL R.S. 7740 .2 .0 * 1.0 .7 143 LOOMIS PARK 8240 .1 .2 50* 1.2 .8 150 NEW FORK LAKE 8340 .3 .0 * .4 .7 57 SNIDER BASIN 8250 .1 .1 100* .9 .7 129 SPRING CREEK DIVIDE 9000 .5 .3 167* 1.0 1.1 91 TRIPLE PEAK 8500 .1 .2 50* 1.2 1.0 120 ----- ----- Basin wide percent of average 154* 118 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.0 .6 167 HEWINTA 9500 .0 .4 0* 1.0 1.0 100 HICKERSON PARK 9150 .1 .0 * 1.1 .8 138 HOLE-IN-ROCK 9150 .0 .0 100* 1.4 .7 200 INDIAN CREEK 9425 1.2 .4 300* 1.6 1.1 145 KELLEY R.S. 8180 .2 .2 100* .7 .9 78 STEEL CREEK PARK 10100 -M .8 * .5 1.0 50 ----- ----- Basin wide percent of average 140* 120 UPPER BEAR RIVER BUG LAKE 7950 .0 .5 0* .9 1.0 90 HAYDEN FORK 9400 .0 .4 0* 1.3 1.0 130 KELLEY R.S. 8180 .2 .2 100* .7 .9 78 LILY LAKE 9050 .0 .4 0* 1.3 1.0 130 MONTE CRISTO 8960 -M .7 * .8 1.2 67 SALT RIVER SUMMIT 7600 .1 .0 * .9 .8 112 TRIAL LAKE 9960 .0 .8 0* 1.4 1.2 117 ----- ----- Basin wide percent of average 9* 103 ----------------------------------------------------------------------------- -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.