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 16 , 2001 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .7 .0 * 1.4 1.0 140 COTTONWOOD CREEK 7600 1.0 .0 * 1.3 1.1 118 GRANITE CREEK 6770 .7 .0 * 1.4 1.1 127 GRASSY LAKE 7265 1.7 .1 1700* 2.1 1.6 131 GROS VENTRE SUMMIT 8775 -M .1 * -M .8 * LEWIS LAKE DIVIDE 7860 1.6 .1 1600* 1.7 1.6 106 PHILLIPS BENCH 8200 -M .1 * -M 1.3 * SALT RIVER SUMMIT 7600 .3 .0 * .8 .8 100 SNAKE RIVER STATION 6920 1.0 .0 * 1.4 1.1 127 SPRING CREEK DIVIDE 9000 1.7 .1 1700* 1.7 1.0 170 THUMB DIVIDE 7980 .9 .0 * .9 .9 100 TOGWOTEE PASS 9580 1.9 1.1 173* 2.2 1.2 183 TWO OCEAN PLATEAU 9360 1.7 1.4 121* 1.4 1.4 100 WILLOW CREEK 8450 .6 .1 600* 1.3 1.4 93 ----- ----- Basin wide percent of average 317* 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 1.8 1.6 112* 1.7 .9 189 BLACK BEAR 7950 2.7 1.3 208* 3.2 1.7 188 CANYON 7940 .8 .2 400* 1.1 .9 122 FISHER CREEK 9100 2.0 1.0 200* 2.0 1.5 133 MADISON PLATEAU 7750 1.4 .6 233* 2.0 1.2 167 NORTHEAST ENTRANCE 7350 .4 .0 * .8 .7 114 PARKER PEAK 9400 1.2 1.8 67* 1.1 1.1 100 SYLVAN LAKE 8420 1.9 1.2 158* 2.2 1.3 169 THUMB DIVIDE 7980 .9 .0 * .9 .9 100 TWO OCEAN PLATEAU 9360 1.7 1.4 121* 1.4 1.4 100 WHISKEY CREEK 6800 1.2 .2 600* 1.2 1.1 109 WHITE MILL 8700 -M .9 * -M 1.3 * WOLVERINE 7650 .7 .1 700* 1.3 .8 162 ----- ----- Basin wide percent of average 164* 140 WIND RIVER BURROUGHS CREEK 8750 1.1 .3 367* 1.2 .8 150 COLD SPRINGS 9630 .3 .3 100* .4 .9 44 DEER PARK 9700 1.0 -M * 1.1 -M * HOBBS PARK 10100 .7 .9 78* .7 1.0 70 LITTLE WARM 9620 .9 .4 225* 1.2 .9 133 SOUTH PASS 9040 .7 1.4 50* 1.0 1.1 91 ST. LAWRENCE ALT 8620 .3 .3 100* .4 .8 50 TOGWOTEE PASS 9580 1.9 1.1 173* 2.2 1.2 183 TOWNSEND CREEK 8700 .4 .3 133* -M .9 * ----- ----- Basin wide percent of average 126* 106 BIGHORN BASIN BALD MTN. 9375 2.3 1.5 153* 2.2 1.1 200 BEAR TRAP MEADOW 7900 1.2 .2 600* 1.7 .8 212 BLACKWATER 9780 1.0 1.4 71* .8 1.2 67 BONE SPRINGS DIV 9350 2.1 1.8 117* 2.3 1.1 209 EVENING STAR 9200 1.4 1.8 78* 2.2 1.4 157 GRAVE SPRINGS 8550 1.2 .5 240* 2.3 .9 256 KIRWIN 9550 1.0 .7 143* 1.0 .8 125 MARQUETTE 8760 .5 .5 100* .8 .9 89 MIDDLE POWDER 7760 1.8 .6 300* 2.0 1.0 200 OWL CREEK 8975 .2 .4 50* .3 .5 60 POWDER RIVER PASS 9480 .9 .5 180* 1.9 .9 211 SHELL CREEK 9580 2.3 1.6 144* 2.2 .9 244 SYLVAN LAKE 8420 1.9 1.2 158* 2.2 1.3 169 SYLVAN ROAD 8120 1.1 .7 157* 1.9 1.1 173 TIMBER CREEK 7950 .3 .1 300* .8 .6 133 YOUNTS PEAK 8350 1.0 1.1 91* .7 .9 78 ----- ----- Basin wide percent of average 138* 164 SHOSHONE RIVER BLACKWATER 9780 1.0 1.4 71* .8 1.2 67 EVENING STAR 9200 1.4 1.8 78* 2.2 1.4 157 KIRWIN 9550 1.0 .7 143* 1.0 .8 125 MARQUETTE 8760 .5 .5 100* .8 .9 89 SYLVAN LAKE 8420 1.9 1.2 158* 2.2 1.3 169 SYLVAN ROAD 8120 1.1 .7 157* 1.9 1.1 173 YOUNTS PEAK 8350 1.0 1.1 91* .7 .9 78 ----- ----- Basin wide percent of average 107* 126 POWDER-TONGUE BEAR TRAP MEADOW 7900 1.2 .2 600* 1.7 .8 212 BIG GOOSE 7990 1.2 -M * 2.5 -M * BONE SPRINGS DIV 9350 2.1 1.8 117* 2.3 1.1 209 BURGESS JUNCTION 7880 1.0 .8 125* 2.0 1.0 200 CLOUD PEAK RESERVOIR 9860 1.1 .6 183* 2.5 1.0 250 DOME LAKE 8880 1.5 1.0 150* 2.6 1.1 236 GRAVE SPRINGS 8550 1.2 .5 240* 2.3 .9 256 HANSEN SAWMILL 8760 .4 .3 133* 1.2 .8 150 MIDDLE POWDER 7760 1.8 .6 300* 2.0 1.0 200 POWDER RIVER PASS 9480 .9 .5 180* 1.9 .9 211 SUCKER CREEK 8880 1.6 .6 267* 2.8 1.1 255 TIE CREEK 6870 .4 -M * 2.1 .9 233 ----- ----- Basin wide percent of average 186* 221 BELLE FOURCHE BLIND PARK 6890 .5 .8 62* 1.9 .9 211 COLE CANYON 5910 .0 .1 0* .7 .7 100 NORTH RAPID CREEK 6130 .4 -M * 1.4 -M * ----- ----- Basin wide percent of average 56* 162 UPPER N. PLATTE RIVER COLUMBINE 9400 .5 .6 83* 1.7 1.2 142 DIVIDE PEAK 8800 1.0 .7 143* 1.5 1.5 100 ELK RIVER 8700 .0 .0 100* 1.4 1.1 127 JOE WRIGHT 10120 .8 1.2 67* 1.6 1.7 94 NORTH FRENCH CREEK 10100 2.9 .7 414* 2.5 1.1 227 OLD BATTLE 10000 1.2 1.9 63* 2.0 1.5 133 SOUTH BRUSH CREEK 8400 .3 .1 300* 1.3 1.1 118 TOWER 10500 2.1 2.3 91* 2.1 1.9 111 WEBBER SPRINGS 9200 1.0 .6 167* 1.5 1.5 100 WILLOW CREEK PASS 9540 .0 .3 0* .2 .9 22 ----- ----- Basin wide percent of average 117* 117 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.9 1.0 190* 2.2 1.2 183 CASPER MTN. 7900 2.7 .5 540* 2.9 1.2 242 DEADMAN HILL 10220 .5 .5 100* .9 1.2 75 DEER PARK 9700 1.0 -M * 1.1 -M * LAPRELE CREEK 8320 3.3 .1 3300* .0 .7 0 RENO HILL 8400 2.5 .7 357* 2.8 1.2 233 ROACH 9700 .5 .5 100* .9 1.3 69 SAND LAKE 10080 3.0 1.0 300* 2.8 1.3 215 SOUTH PASS 9040 .7 1.4 50* 1.0 1.1 91 WINDY PEAK 7840 .8 .0 * 2.3 .6 383 ----- ----- Basin wide percent of average 265* 161 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 1.4 .9 156 DIVIDE PEAK 8800 1.0 .7 143* 1.5 1.5 100 OLD BATTLE 10000 1.2 1.9 63* 2.0 1.5 133 SANDSTONE RS 8150 -M .0 * 1.7 .8 212 WHISKEY PARK 8950 1.0 .7 143* 1.9 .9 211 ----- ----- Basin wide percent of average 97* 152 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .0 * .5 .8 62 BLIND BULL SUM 8650 1.8 .1 1800* 1.4 1.0 140 EAST RIM DIVIDE 7930 .7 .0 * .6 .7 86 ELKHART PARK G.S. 9400 .6 .1 600* .8 .8 100 GROS VENTRE SUMMIT 8775 -M .1 * -M .8 * KENDALL R.S. 7740 .3 .0 * .6 .7 86 LOOMIS PARK 8240 1.2 .0 * 1.2 .9 133 NEW FORK LAKE 8340 .7 .0 * .7 .7 100 SNIDER BASIN 8250 .9 .0 * 1.2 .7 171 SPRING CREEK DIVIDE 9000 1.7 .1 1700* 1.7 1.0 170 TRIPLE PEAK 8500 1.3 .1 1300* 1.6 1.4 114 ----- ----- Basin wide percent of average 1350* 118 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * .2 .6 33 HEWINTA 9500 -M .1 * 1.3 1.2 108 HICKERSON PARK 9150 .1 .0 * .7 1.0 70 HOLE-IN-ROCK 9150 .0 .0 100* 1.1 1.0 110 INDIAN CREEK 9425 .8 .1 800* .7 1.1 64 KELLEY R.S. 8180 .3 .0 * .4 .9 44 STEEL CREEK PARK 10100 .3 .9 33* .9 1.2 75 ----- ----- Basin wide percent of average 110* 76 UPPER BEAR RIVER BUG LAKE 7950 .0 .6 0* .3 1.6 19 HAYDEN FORK 9400 .1 .3 33* 1.0 1.2 83 KELLEY R.S. 8180 .3 .0 * .4 .9 44 LILY LAKE 9050 -M .4 * 1.2 1.3 92 MONTE CRISTO 8960 -M .7 * .8 1.7 47 SALT RIVER SUMMIT 7600 .3 .0 * .8 .8 100 TRIAL LAKE 9960 .2 .8 25* 1.3 1.4 93 ----- ----- Basin wide percent of average 18* 65 ----------------------------------------------------------------------------- -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.