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 17 , 2000 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .8 .1 800* 2.0 1.0 200 COTTONWOOD CREEK 7600 1.2 .1 1200* 1.8 1.1 164 GRANITE CREEK 6770 .7 .1 700* 2.0 1.2 167 GRASSY LAKE 7265 2.1 .1 2100* 2.9 1.7 171 GROS VENTRE SUMMIT 8775 1.2 .1 1200* 1.2 .8 150 LEWIS LAKE DIVIDE 7860 1.9 .2 950* 3.1 1.8 172 PHILLIPS BENCH 8200 2.2 .1 2200* 2.3 1.3 177 SALT RIVER SUMMIT 7600 .3 .0 * 1.6 .9 178 SNAKE RIVER STATION 6920 .9 .1 900* 3.1 1.2 258 SPRING CREEK DIVIDE 9000 1.6 .2 800* 1.8 1.1 164 THUMB DIVIDE 7980 .7 .1 700* 1.9 1.0 190 TOGWOTEE PASS 9580 1.8 1.2 150* 1.8 1.3 138 TWO OCEAN PLATEAU 9360 2.4 1.6 150* 2.4 1.4 171 WILLOW CREEK 8450 1.6 .1 1600* 2.4 1.4 171 ----- ----- Basin wide percent of average 466* 176 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.8 1.7 106* 1.9 1.0 190 BLACK BEAR 7950 3.1 1.4 221* 4.0 1.8 222 CANYON 7940 .8 .3 267* 1.6 .9 178 FISHER CREEK 9100 2.1 1.1 191* 2.9 1.5 193 MADISON PLATEAU 7750 1.9 .6 317* 3.0 1.3 231 NORTHEAST ENTRANCE 7350 .0 .0 100* 1.5 .8 188 PARKER PEAK 9400 1.0 1.9 53* 2.3 1.1 209 SYLVAN LAKE 8420 1.7 1.3 131* 3.0 1.3 231 THUMB DIVIDE 7980 .7 .1 700* 1.9 1.0 190 TWO OCEAN PLATEAU 9360 2.4 1.6 150* 2.4 1.4 171 WHISKEY CREEK 6800 1.2 .3 400* 2.6 1.1 236 WHITE MILL 8700 1.4 .9 156* 2.4 1.4 171 WOLVERINE 7650 .0 .1 0* 1.6 .8 200 ----- ----- Basin wide percent of average 160* 202 WIND RIVER BURROUGHS CREEK 8750 .4 .4 100* .7 .8 87 COLD SPRINGS 9630 .1 .4 25* .3 1.0 30 DEER PARK 9700 1.8 -M * 1.8 -M * HOBBS PARK 10100 .8 1.0 80* .6 1.0 60 LITTLE WARM 9620 .6 .5 120* .7 .9 78 SOUTH PASS 9040 1.0 1.5 67* 1.0 1.1 91 ST. LAWRENCE ALT 8620 .1 .4 25* .2 .9 22 TOGWOTEE PASS 9580 1.8 1.2 150* 1.8 1.3 138 TOWNSEND CREEK 8700 .2 .4 50* .7 1.0 70 ----- ----- Basin wide percent of average 86* 75 BIGHORN BASIN BALD MTN. 9375 .8 1.5 53* 1.3 1.2 108 BEAR TRAP MEADOW 7900 .0 .3 0* .4 .8 50 BLACKWATER 9780 2.0 1.4 143* 2.0 1.2 167 BONE SPRINGS DIV 9350 .8 1.8 44* 1.6 1.1 145 EVENING STAR 9200 1.3 1.9 68* 3.3 1.5 220 GRAVE SPRINGS 8550 .2 .6 33* .6 1.0 60 KIRWIN 9550 .7 .8 87* 1.2 .8 150 MARQUETTE 8760 .1 .6 17* 1.0 .9 111 MIDDLE POWDER 7760 .2 .7 29* .6 1.1 55 OWL CREEK 8975 .1 .4 25* .4 .5 80 POWDER RIVER PASS 9480 .3 .6 50* 1.3 1.0 130 SHELL CREEK 9580 1.5 1.6 94* 1.4 1.0 140 SYLVAN LAKE 8420 1.7 1.3 131* 3.0 1.3 231 SYLVAN ROAD 8120 .7 .7 100* 2.7 1.1 245 TIMBER CREEK 7950 .1 .1 100* .9 .7 129 YOUNTS PEAK 8350 1.3 1.2 108* 2.3 1.0 230 ----- ----- Basin wide percent of average 76* 148 SHOSHONE RIVER BLACKWATER 9780 2.0 1.4 143* 2.0 1.2 167 EVENING STAR 9200 1.3 1.9 68* 3.3 1.5 220 KIRWIN 9550 .7 .8 87* 1.2 .8 150 MARQUETTE 8760 .1 .6 17* 1.0 .9 111 SYLVAN LAKE 8420 1.7 1.3 131* 3.0 1.3 231 SYLVAN ROAD 8120 .7 .7 100* 2.7 1.1 245 YOUNTS PEAK 8350 1.3 1.2 108* 2.3 1.0 230 ----- ----- Basin wide percent of average 99* 199 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .3 0* .4 .8 50 BIG GOOSE 7990 .4 -M * .9 -M * BONE SPRINGS DIV 9350 .8 1.8 44* 1.6 1.1 145 BURGESS JUNCTION 7880 .7 .8 87* .8 1.0 80 CLOUD PEAK RESERVOIR 9860 .6 .7 86* 1.6 1.1 145 DOME LAKE 8880 .8 1.0 80* 1.4 1.2 117 GRAVE SPRINGS 8550 .2 .6 33* .6 1.0 60 HANSEN SAWMILL 8760 .2 .4 50* 1.1 .8 138 MIDDLE POWDER 7760 .2 .7 29* .6 1.1 55 POWDER RIVER PASS 9480 .3 .6 50* 1.3 1.0 130 SUCKER CREEK 8880 .1 .7 14* .7 1.1 64 TIE CREEK 6870 .1 -M * 1.1 1.0 110 ----- ----- Basin wide percent of average 51* 100 BELLE FOURCHE BLIND PARK 6890 .0 .9 0* .3 .9 33 COLE CANYON 5910 .1 -M * .7 -M * NORTH RAPID CREEK 6130 .0 -M * .5 -M * ----- ----- Basin wide percent of average 0* 33* UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .6 0* .3 1.3 23 DIVIDE PEAK 8800 .4 .8 50* 1.5 1.6 94 ELK RIVER 8700 .0 .0 100* .2 1.2 17 JOE WRIGHT 10120 .0 1.3 0* .1 1.8 6 NORTH FRENCH CREEK 10100 .6 .8 75* .4 1.2 33 OLD BATTLE 10000 .6 2.0 30* .7 1.7 41 SOUTH BRUSH CREEK 8400 .1 .1 100* .2 1.2 17 TOWER 10500 .5 2.6 19* .5 2.1 24 WEBBER SPRINGS 9200 .0 .7 0* .2 1.5 13 WILLOW CREEK PASS 9540 .0 .3 -0* .1 .9 11 ----- ----- Basin wide percent of average 24* 29 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .3 1.0 30* .2 1.2 17 CASPER MTN. 7900 .5 .5 100* .5 1.3 38 DEADMAN HILL 10220 1.1 .5 220* .0 1.2 0 DEER PARK 9700 1.8 -M * 1.8 -M * LAPRELE CREEK 8320 .3 .2 150* .4 .8 50 RENO HILL 8400 .0 .7 0* .2 1.3 15 ROACH 9700 .0 .5 -0* .1 1.4 7 SAND LAKE 10080 .4 1.2 33* .5 1.3 38 SOUTH PASS 9040 1.0 1.5 67* 1.0 1.1 91 WINDY PEAK 7840 .0 .0 100* .3 .6 50 ----- ----- Basin wide percent of average 59* 31 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* .6 .9 67 DIVIDE PEAK 8800 .4 .8 50* 1.5 1.6 94 OLD BATTLE 10000 .6 2.0 30* .7 1.7 41 SANDSTONE RS 8150 .1 .1 100* .8 .9 89 WHISKEY PARK 8950 .1 .8 12* .4 1.0 40 ----- ----- Basin wide percent of average 32* 66 UPPER GREEN RIVER BIG SANDY OPENING 9100 1.7 .1 1700* 1.9 .8 237 BLIND BULL SUM 8650 1.7 .3 567* 1.9 1.0 190 EAST RIM DIVIDE 7930 1.0 .0 * 1.3 .8 162 ELKHART PARK G.S. 9400 1.7 .1 1700* 2.0 .8 250 GROS VENTRE SUMMIT 8775 1.2 .1 1200* 1.2 .8 150 KENDALL R.S. 7740 .8 .0 * 1.4 .8 175 LOOMIS PARK 8240 1.5 .1 1500* 1.7 .9 189 NEW FORK LAKE 8340 .9 .0 * 1.3 .7 186 SNIDER BASIN 8250 .7 .0 * 1.0 .8 125 SPRING CREEK DIVIDE 9000 1.6 .2 800* 1.8 1.1 164 TRIPLE PEAK 8500 1.2 .1 1200* 2.0 1.4 143 ----- ----- Basin wide percent of average 1060* 177 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 * 1.1 .7 157 HEWINTA 9500 -M .1 * 1.4 1.2 117 HICKERSON PARK 9150 .0 .0 100* 1.2 1.1 109 HOLE-IN-ROCK 9150 .3 .0 * 1.3 1.1 118 INDIAN CREEK 9425 1.8 .2 900* 1.7 1.2 142 KELLEY R.S. 8180 1.1 .1 1100* 1.4 .9 156 STEEL CREEK PARK 10100 1.1 .9 122* 1.3 1.2 108 ----- ----- Basin wide percent of average 333* 127 UPPER BEAR RIVER BUG LAKE 7950 .8 .7 114* 1.3 1.7 76 HAYDEN FORK 9400 .1 .4 25* 1.5 1.3 115 KELLEY R.S. 8180 1.1 .1 1100* 1.4 .9 156 LILY LAKE 9050 .0 .5 -0* 1.4 1.4 100 MONTE CRISTO 8960 .7 .8 87* 1.8 1.8 100 SALT RIVER SUMMIT 7600 .3 .0 * 1.6 .9 178 TRIAL LAKE 9960 .8 .8 100* 1.8 1.5 120 ----- ----- Basin wide percent of average 106* 114 ----------------------------------------------------------------------------- -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.