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 19 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .2 0* 1.3 1.2 108 COTTONWOOD CREEK 7600 .0 .3 0* 1.9 1.8 106 GRANITE CREEK 6770 .0 .2 0* .7 1.0 70 GRASSY LAKE 7265 .0 .6 0* 2.1 2.0 105 GROS VENTRE SUMMIT 8750 .8 .8 100* 1.2 1.1 109 LEWIS LAKE DIVIDE 7850 .0 .4 0* 1.7 1.9 89 PHILLIPS BENCH 8200 .0 .5 0* 1.2 1.5 80 SALT RIVER SUMMIT 7600 .0 .1 0* 1.0 1.2 83 SNAKE RIVER STATION 6920 .0 .1 0* 1.3 1.3 100 SPRING CREEK DIVIDE 9000 .0 .6 0* .5 1.6 31 THUMB DIVIDE 7980 .0 .3 0* 1.4 1.2 117 TOGWOTEE PASS 9580 1.6 1.4 114* 2.0 1.7 118 TWO OCEAN PLATEAU 9240 2.2 1.7 129* 2.2 1.9 116 WILLOW CREEK 8450 .1 .8 12* 2.7 2.2 123 ----- ----- Basin wide percent of average 59* 98 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.2 1.6 75* 1.0 1.3 77 BLACK BEAR 8170 1.8 1.3 138* 2.5 2.1 119 CANYON 8090 .1 .3 33* 1.3 1.1 118 FISHER CREEK 9100 1.2 1.4 86* 1.4 2.0 70 MADISON PLATEAU 7750 .1 .7 14* 1.9 1.5 127 NORTHEAST ENTRANCE 7350 .0 .1 0* .8 .9 89 PARKER PEAK 9400 .5 1.5 33* 1.5 1.4 107 SYLVAN LAKE 8420 .1 1.2 8* 2.0 1.6 125 THUMB DIVIDE 7980 .0 .3 0* 1.4 1.2 117 TWO OCEAN PLATEAU 9240 2.2 1.7 129* 2.2 1.9 116 WHISKEY CREEK 6800 .1 .3 33* 1.3 1.3 100 WHITE MILL 8700 .5 1.0 50* 1.2 1.6 75 WOLVERINE 7650 .1 .2 50* .7 1.1 64 ----- ----- Basin wide percent of average 68* 101 WIND RIVER BURROUGHS CREEK 8750 .6 .5 120* 1.7 1.0 170 COLD SPRINGS 9630 .2 .4 50* 2.1 1.2 175 DEER PARK 9700 .1 1.2 8* 1.4 1.5 93 HOBBS PARK 10100 .9 1.1 82* 2.1 1.3 162 LITTLE WARM 9370 1.1 .6 183* 1.9 1.0 190 SOUTH PASS 9040 .1 .7 14* 1.6 1.3 123 ST. LAWRENCE ALT 8620 .1 .3 33* 1.8 1.0 180 TOGWOTEE PASS 9580 1.6 1.4 114* 2.0 1.7 118 TOWNSEND CREEK 8700 .2 .5 40* 2.0 1.3 154 ----- ----- Basin wide percent of average 73* 147 BIGHORN BASIN BALD MTN. 9380 1.9 1.8 106* 2.1 1.5 140 BEAR TRAP MEADOW 8200 .1 .3 33* 1.9 1.0 190 BLACKWATER 9780 1.0 1.9 53* 1.4 1.6 87 BONE SPRINGS DIV 9350 1.9 1.6 119* 2.2 1.5 147 EVENING STAR 9200 .5 1.6 31* 1.8 1.7 106 GRAVE SPRINGS 8550 .0 .4 0* 2.3 1.3 177 KIRWIN 9550 1.2 1.1 109* 1.5 1.1 136 MARQUETTE 8760 .1 1.2 8 2.0 1.4 143 MIDDLE POWDER 7760 .2 .8 25* 2.4 1.6 150 OWL CREEK 8975 1.1 .4 275* 1.8 .7 257 POWDER RIVER PASS 9480 .5 .7 71* 1.7 1.2 142 SHELL CREEK 9580 1.9 1.9 100 2.0 1.2 167 SYLVAN LAKE 8420 .1 1.2 8* 2.0 1.6 125 SYLVAN ROAD 7120 .2 .2 100* 1.3 1.3 100 TIMBER CREEK 7950 .0 .3 0* 1.7 1.0 170 YOUNTS PEAK 8350 -M .8 * 2.2 1.1 200 ----- ----- Basin wide percent of average 69* 146 SHOSHONE RIVER BLACKWATER 9780 1.0 1.9 53* 1.4 1.6 87 EVENING STAR 9200 .5 1.6 31* 1.8 1.7 106 KIRWIN 9550 1.2 1.1 109* 1.5 1.1 136 MARQUETTE 8760 .1 1.2 8 2.0 1.4 143 SYLVAN LAKE 8420 .1 1.2 8* 2.0 1.6 125 SYLVAN ROAD 7120 .2 .2 100* 1.3 1.3 100 YOUNTS PEAK 8350 -M .8 * 2.2 1.1 200 ----- ----- Basin wide percent of average 43* 124 POWDER-TONGUE BEAR TRAP MEADOW 8200 .1 .3 33* 1.9 1.0 190 BIG GOOSE 7990 .0 .4 0* 2.2 1.3 169 BONE SPRINGS DIV 9350 1.9 1.6 119* 2.2 1.5 147 BURGESS JUNCTION 7880 .1 .8 12* 2.2 1.3 169 CLOUD PEAK RESERVOIR 9860 .2 .7 29* 2.3 1.6 144 DOME LAKE 8880 1.0 1.0 100* 2.4 1.5 160 GRAVE SPRINGS 8550 .0 .4 0* 2.3 1.3 177 HANSEN SAWMILL 8360 .3 .4 75* 2.0 1.1 182 MIDDLE POWDER 7760 .2 .8 25* 2.4 1.6 150 POWDER RIVER PASS 9480 .5 .7 71* 1.7 1.2 142 SUCKER CREEK 8880 1.1 .7 157* 2.3 1.5 153 TIE CREEK 6870 .0 .2 0* 2.6 1.5 173 ----- ----- Basin wide percent of average 68* 162 BELLE FOURCHE BLIND PARK 6890 .0 .1 0* 1.1 1.6 69 COLE CANYON 5910 .0 .2 0* 1.8 -M * NORTH RAPID CREEK 6130 .0 .2 0* 1.2 1.5 80 ----- ----- Basin wide percent of average 0* 74 UPPER N. PLATTE RIVER COLUMBINE 9160 .1 .2 50* 2.4 1.5 160 DIVIDE PEAK 8860 .0 1.0 0* 3.2 1.6 200 ELK RIVER 8700 .1 .2 50* 2.2 1.3 169 JOE WRIGHT 10120 .1 1.2 8* 2.2 2.0 110 NORTH FRENCH CREEK 10130 .0 1.8 0* 1.9 2.0 95 OLD BATTLE 9920 1.7 1.6 106* 3.6 2.1 171 SAGE CREEK BASIN 7850 .2 .5 40* 1.7 .9 189 SOUTH BRUSH CREEK 8440 .1 .3 33* 2.0 1.6 125 TOWER 10500 .2 1.6 12* 3.6 2.4 150 WEBBER SPRINGS 9250 .3 .9 33* 3.8 1.9 200 WILLOW CREEK PASS 9540 1.0 .5 200* 1.8 1.2 150 ----- ----- Basin wide percent of average 39* 154 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 .1 1.2 8* .8 1.5 53 CASPER MTN. 7850 .0 .9 0* 2.3 1.5 153 DEADMAN HILL 10220 .9 1.2 75* 2.0 1.5 133 DEER PARK 9700 .1 1.2 8* 1.4 1.5 93 LAPRELE CREEK 8375 -M .5 * -M 1.2 * RENO HILL 8500 .1 1.0 10* 2.1 1.5 140 ROACH 9700 1.0 .5 200* 2.5 1.4 179 SAND LAKE 10050 1.6 1.8 89* 2.5 1.9 132 SOUTH PASS 9040 .1 .7 14* 1.6 1.3 123 WINDY PEAK 7900 .0 .2 0* 1.4 1.0 140 ----- ----- Basin wide percent of average 45* 127 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .1 200* 1.9 1.2 158 DIVIDE PEAK 8860 .0 1.0 0* 3.2 1.6 200 OLD BATTLE 9920 1.7 1.6 106* 3.6 2.1 171 SANDSTONE RS 8150 .0 .2 0* 2.0 1.4 143 WHISKEY PARK 8950 .4 .8 50* 2.6 1.7 153 ----- ----- Basin wide percent of average 62* 166 UPPER GREEN RIVER BIG SANDY OPENING 9080 .5 .6 83* 1.3 1.1 118 BLIND BULL SUM 8900 .1 .7 14* .8 1.3 62 EAST RIM DIVIDE 7930 .2 .2 100* .5 .8 62 ELKHART PARK G.S. 9400 .2 .4 50* 1.0 1.2 83 GROS VENTRE SUMMIT 8750 .8 .8 100* 1.2 1.1 109 KENDALL R.S. 7740 .1 .2 50* .8 .9 89 LOOMIS PARK 8240 .1 .4 25* .4 1.1 36 NEW FORK LAKE 8340 .0 .1 0* .7 .9 78 SNIDER BASIN 8060 .1 .3 33* .5 1.0 50 SPRING CREEK DIVIDE 9000 .0 .6 0* .5 1.6 31 TRIPLE PEAK 8500 .1 .5 20* .8 1.3 62 ----- ----- Basin wide percent of average 46* 69 LOWER GREEN RIVER HAMS FORK 7840 .1 .1 100* .7 .9 78 HEWINTA 9500 .1 .5 20* .8 1.5 53 HICKERSON PARK 9100 .0 .1 0* .7 1.0 70 HOLE-IN-ROCK 9150 .0 .1 0* .8 1.0 80 INDIAN CREEK 9425 .1 .7 14* 1.0 1.6 62 KELLEY R.S. 8180 .1 .4 25* .9 1.3 69 STEEL CREEK PARK 10100 .0 1.0 0* 1.1 1.4 79 ----- ----- Basin wide percent of average 14* 69 UPPER BEAR RIVER BUG LAKE 7950 .0 .7 0* .6 1.4 43 HAYDEN FORK 9100 .0 .5 0* .9 1.5 60 KELLEY R.S. 8180 .1 .4 25* .9 1.3 69 LILY LAKE 9050 .0 .5 0* .5 1.5 33 MONTE CRISTO 8960 .0 .9 0* .9 1.7 53 SALT RIVER SUMMIT 7600 .0 .1 0* 1.0 1.2 83 TRIAL LAKE 9960 .0 1.1 0* .3 1.7 18 ----- ----- Basin wide percent of average 2* 50 ----------------------------------------------------------------------------- -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.