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 TUESDAY: OCTOBER 15 , 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 1.4 71 GRANITE CREEK 6770 .1 .1 100* 1.0 .8 125 GRASSY LAKE 7265 .1 .3 33* 1.2 1.6 75 GROS VENTRE SUMMIT 8775 .8 .6 133* 1.0 .9 111 LEWIS LAKE DIVIDE 7860 .0 .1 0* 1.2 1.5 80 PHILLIPS BENCH 8200 .1 .2 50* .8 1.1 73 SALT RIVER SUMMIT 7600 .1 .0 * .8 .9 89 SNAKE RIVER STATION 6920 -M .0 * .8 1.0 80 SPRING CREEK DIVIDE 9000 .5 .3 167* 1.0 1.2 83 THUMB DIVIDE 7980 .0 .1 0* 1.3 .9 144 TOGWOTEE PASS 9580 .8 1.0 80* .8 1.3 62 TWO OCEAN PLATEAU 9360 2.2 1.2 183* 1.4 1.4 100 WILLOW CREEK 8450 .0 .4 0* 1.0 1.7 59 ----- ----- Basin wide percent of average 107* 83 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.8 1.3 138* 1.7 1.0 170 BLACK BEAR 8170 1.5 .8 188* 1.9 1.6 119 CANYON 8090 .6 .2 300* 1.2 .9 133 FISHER CREEK 9100 1.5 1.0 150* 1.7 1.5 113 MADISON PLATEAU 7750 .4 .4 100* 1.1 1.2 92 NORTHEAST ENTRANCE 7350 .0 .1 0* .9 .7 129 PARKER PEAK 9400 1.4 1.2 117* 2.3 1.1 209 SYLVAN LAKE 8420 .5 .9 56* 1.8 1.2 150 THUMB DIVIDE 7980 .0 .1 0* 1.3 .9 144 TWO OCEAN PLATEAU 9360 2.2 1.2 183* 1.4 1.4 100 WHISKEY CREEK 6800 .3 .1 300* .8 1.0 80 WHITE MILL 8700 1.5 .7 214* 1.4 1.3 108 WOLVERINE 7650 .1 .1 100* 1.7 .9 189 ----- ----- Basin wide percent of average 146* 131 WIND RIVER BURROUGHS CREEK 8750 .6 .3 200* .8 .8 100 COLD SPRINGS 9630 .2 .2 100* 1.3 .9 144 DEER PARK 9700 .4 .8 50* .7 1.2 58 HOBBS PARK 10100 1.8 .7 257* 1.6 1.0 160 LITTLE WARM 9370 .4 .4 100* .7 .8 87 SOUTH PASS 9040 .1 .4 25* .6 1.0 60 ST. LAWRENCE ALT 8620 .2 .1 200* 1.5 .8 188 TOGWOTEE PASS 9580 .8 1.0 80* .8 1.3 62 TOWNSEND CREEK 8700 .0 .3 0* 1.3 1.0 130 ----- ----- Basin wide percent of average 107* 106 BIGHORN BASIN BALD MTN. 9380 1.7 1.5 113* 1.5 1.1 136 BEAR TRAP MEADOW 8200 .3 .2 150* 1.0 .8 125 BLACKWATER 9780 2.3 1.5 153* 2.3 1.3 177 BONE SPRINGS DIV 9350 1.8 1.3 138* 1.8 1.2 150 EVENING STAR 9200 1.1 1.2 92* 1.6 1.3 123 GRAVE SPRINGS 8550 .1 .2 50* .9 1.0 90 KIRWIN 9550 .8 .8 100* 1.1 .9 122 MARQUETTE 8760 1.1 .9 122* 1.0 1.1 91 MIDDLE POWDER 7760 .4 .6 67* .9 1.2 75 OWL CREEK 8975 1.0 .3 333* 1.0 .5 200 POWDER RIVER PASS 9480 .8 .5 160* 1.3 .9 144 SHELL CREEK 9580 1.5 1.6 94* 1.5 .9 167 SYLVAN LAKE 8420 .5 .9 56* 1.8 1.2 150 SYLVAN ROAD 7120 .2 .1 200* 1.6 1.0 160 TIMBER CREEK 7950 .2 .1 200* 1.1 .8 138 YOUNTS PEAK 8350 1.1 .6 183* .9 .9 100 ----- ----- Basin wide percent of average 121* 132 SHOSHONE RIVER BLACKWATER 9780 2.3 1.5 153* 2.3 1.3 177 EVENING STAR 9200 1.1 1.2 92* 1.6 1.3 123 KIRWIN 9550 .8 .8 100* 1.1 .9 122 MARQUETTE 8760 1.1 .9 122* 1.0 1.1 91 SYLVAN LAKE 8420 .5 .9 56* 1.8 1.2 150 SYLVAN ROAD 7120 .2 .1 200* 1.6 1.0 160 YOUNTS PEAK 8350 1.1 .6 183* .9 .9 100 ----- ----- Basin wide percent of average 118* 134 POWDER-TONGUE BEAR TRAP MEADOW 8200 .3 .2 150* 1.0 .8 125 BIG GOOSE 7990 .4 .3 133* 1.2 1.0 120 BONE SPRINGS DIV 9350 1.8 1.3 138* 1.8 1.2 150 BURGESS JUNCTION 7880 .7 .6 117* 1.4 1.0 140 CLOUD PEAK RESERVOIR 9860 .8 .4 200* 1.3 1.2 108 DOME LAKE 8880 1.1 .7 157* 1.5 1.2 125 GRAVE SPRINGS 8550 .1 .2 50* .9 1.0 90 HANSEN SAWMILL 8360 .4 .2 200* 1.2 .9 133 MIDDLE POWDER 7760 .4 .6 67* .9 1.2 75 POWDER RIVER PASS 9480 .8 .5 160* 1.3 .9 144 SUCKER CREEK 8880 .7 .5 140* 1.6 1.1 145 TIE CREEK 6870 .0 .0 100* 1.3 1.2 108 ----- ----- Basin wide percent of average 136* 121 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 1.0 1.2 83 COLE CANYON 5910 .0 -M * .2 -M * NORTH RAPID CREEK 6130 .0 .1 0* .8 1.2 67 ----- ----- Basin wide percent of average 0* 75 UPPER N. PLATTE RIVER COLUMBINE 9400 .1 .0 * 1.4 1.1 127 DIVIDE PEAK 8800 .1 .7 14* 2.0 1.3 154 ELK RIVER 8700 .0 .1 0* 1.3 1.0 130 JOE WRIGHT 10120 .5 .8 62* 1.1 1.6 69 NORTH FRENCH CREEK 10100 1.1 1.4 79* 2.0 1.6 125 OLD BATTLE 10000 2.0 1.1 182* 2.5 1.7 147 SAGE CREEK BASIN 7850 .0 .3 0* 1.4 -M * SOUTH BRUSH CREEK 8400 .0 .2 0* 1.8 1.2 150 TOWER 10500 1.8 1.0 180* 2.7 1.9 142 WEBBER SPRINGS 9200 .0 .5 0* 1.4 1.4 100 WILLOW CREEK PASS 9540 .1 .3 33* .6 .9 67 ----- ----- Basin wide percent of average 88* 123 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .0 .9 0* 1.4 1.2 117 CASPER MTN. 7900 .1 .6 17* 1.0 1.2 83 DEADMAN HILL 10220 .4 .9 44* .4 1.2 33 DEER PARK 9700 .4 .8 50* .7 1.2 58 LAPRELE CREEK 8320 .0 .3 0* .8 .9 89 RENO HILL 8400 .1 .7 14* -M 1.2 * ROACH 9700 .0 .3 0* .6 1.1 55 SAND LAKE 10080 .0 1.3 0* 1.6 1.4 114 SOUTH PASS 9040 .1 .4 25* .6 1.0 60 WINDY PEAK 7840 .1 .1 100* .9 .8 112 ----- ----- Basin wide percent of average 19* 80 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.7 .9 189 DIVIDE PEAK 8800 .1 .7 14* 2.0 1.3 154 OLD BATTLE 10000 2.0 1.1 182* 2.5 1.7 147 SANDSTONE RS 8150 .0 .1 0* 1.4 1.1 127 WHISKEY PARK 8950 .0 .5 0* 1.7 1.4 121 ----- ----- Basin wide percent of average 87* 145 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .4 225* .7 .9 78 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* 1.1 .9 122 GROS VENTRE SUMMIT 8775 .8 .6 133* 1.0 .9 111 KENDALL R.S. 7740 .2 .0 * 1.0 .7 143 LOOMIS PARK 8240 .1 .2 50* 1.1 .9 122 NEW FORK LAKE 8340 .3 .0 * .4 .7 57 SNIDER BASIN 8250 .1 .1 100* .9 .8 112 SPRING CREEK DIVIDE 9000 .5 .3 167* 1.0 1.2 83 TRIPLE PEAK 8500 .1 .2 50* 1.2 1.0 120 ----- ----- Basin wide percent of average 158* 108 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.0 .7 143 HEWINTA 9500 .0 .4 0* 1.0 1.1 91 HICKERSON PARK 9150 .2 .0 * 1.1 .8 138 HOLE-IN-ROCK 9150 .0 .0 100* 1.3 .8 162 INDIAN CREEK 9425 1.2 .4 300* 1.6 1.2 133 KELLEY R.S. 8180 .2 .2 100* .7 1.0 70 STEEL CREEK PARK 10100 -M .8 * .4 1.1 36 ----- ----- Basin wide percent of average 140* 106 UPPER BEAR RIVER BUG LAKE 7950 .0 .5 0* .9 1.1 82 HAYDEN FORK 9400 .0 .4 0* 1.4 1.1 127 KELLEY R.S. 8180 .2 .2 100* .7 1.0 70 LILY LAKE 9050 .0 .4 0* 1.3 1.1 118 MONTE CRISTO 8960 -M .7 * .8 1.3 62 SALT RIVER SUMMIT 7600 .1 .0 * .8 .9 89 TRIAL LAKE 9960 .0 .8 0* 1.3 1.3 100 ----- ----- Basin wide percent of average 9* 92 ----------------------------------------------------------------------------- -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.