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 THURSDAY: NOVEMBER 2 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .1 .8 12* 2.5 2.2 114 COTTONWOOD CREEK 7600 1.3 1.1 118* 3.0 3.3 91 GRANITE CREEK 6770 .0 .7 0* 2.5 1.9 132 GRASSY LAKE 7265 1.9 1.7 112* 5.5 3.7 149 GROS VENTRE SUMMIT 8750 1.7 1.5 113 2.9 2.0 145 LEWIS LAKE DIVIDE 7850 1.3 1.5 87* 3.8 3.5 109 PHILLIPS BENCH 8200 1.1 1.6 69* 3.6 2.7 133 SALT RIVER SUMMIT 7600 .3 .5 60* 2.0 2.1 95 SNAKE RIVER STATION 6920 .0 .7 0* 4.5 2.4 188 SPRING CREEK DIVIDE 9000 1.1 1.7 65* 2.2 2.9 76 THUMB DIVIDE 7980 .0 1.0 0* 2.3 2.2 105 TOGWOTEE PASS 9580 2.8 2.8 100 3.6 3.0 120 TWO OCEAN PLATEAU 9240 2.4 3.4 71 3.3 3.4 97 WILLOW CREEK 8450 1.0 2.1 48* 3.7 4.0 92 ----- ----- Basin wide percent of average 71* 116 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.0 2.8 71 2.5 2.3 109 BLACK BEAR 8170 2.5 3.1 81* 5.2 3.8 137 CANYON 8090 .8 .8 100* 2.9 2.0 145 FISHER CREEK 9100 3.1 3.0 103* 5.0 3.6 139 MADISON PLATEAU 7750 .9 1.8 50* 3.2 2.8 114 NORTHEAST ENTRANCE 7350 .0 .4 0* 3.3 1.7 194 PARKER PEAK 9400 2.1 2.7 78 3.0 2.5 120 SYLVAN LAKE 8420 1.2 2.1 57* 4.3 2.8 154 THUMB DIVIDE 7980 .0 1.0 0* 2.3 2.2 105 TWO OCEAN PLATEAU 9240 2.4 3.4 71 3.3 3.4 97 WHISKEY CREEK 6800 .1 .9 11* 2.9 2.4 121 WHITE MILL 8700 2.4 2.2 109* 3.6 3.0 120 WOLVERINE 7650 .2 .6 33* 1.7 2.0 85 ----- ----- Basin wide percent of average 71* 125 WIND RIVER BURROUGHS CREEK 8750 1.8 1.1 164* 2.5 1.8 139 COLD SPRINGS 9630 .7 1.2 58 1.6 2.1 76 DEER PARK 9700 1.6 2.8 57 2.9 2.8 104 HOBBS PARK 10100 1.7 2.4 71 2.1 2.3 91 LITTLE WARM 9370 1.5 1.2 125* 1.6 1.9 84 SOUTH PASS 9040 1.4 1.7 82* 3.0 2.3 130 ST. LAWRENCE ALT 8620 1.1 1.0 110 1.8 1.9 95 TOGWOTEE PASS 9580 2.8 2.8 100 3.6 3.0 120 TOWNSEND CREEK 8700 1.6 1.2 133 3.3 2.3 143 ----- ----- Basin wide percent of average 92 110 BIGHORN BASIN BALD MTN. 9380 5.1 2.9 176 3.6 2.6 138 BEAR TRAP MEADOW 8200 .7 .6 117 1.3 1.9 68 BLACKWATER 9780 2.4 3.3 73 2.7 2.9 93 BONE SPRINGS DIV 9350 4.2 2.8 150 3.1 2.7 115 EVENING STAR 9200 2.4 3.0 80* 4.1 3.1 132 GRAVE SPRINGS 8550 .9 1.3 69 1.6 2.2 73 KIRWIN 9550 1.8 2.0 90 2.3 2.0 115 MARQUETTE 8760 1.1 2.1 52 2.0 2.5 80 MIDDLE POWDER 7760 1.3 1.4 93* 1.8 2.8 64 OWL CREEK 8975 1.7 .9 189 2.2 1.2 183 POWDER RIVER PASS 9480 1.6 1.4 114 2.2 2.1 105 SHELL CREEK 9580 4.3 2.8 154 2.8 2.2 127 SYLVAN LAKE 8420 1.2 2.1 57* 4.3 2.8 154 SYLVAN ROAD 7120 .2 .6 33* 3.1 2.3 135 TIMBER CREEK 7950 .7 1.2 58 2.5 1.7 147 YOUNTS PEAK 8350 1.0 1.5 67* 2.1 2.0 105 ----- ----- Basin wide percent of average 102 113 SHOSHONE RIVER BLACKWATER 9780 2.4 3.3 73 2.7 2.9 93 EVENING STAR 9200 2.4 3.0 80* 4.1 3.1 132 KIRWIN 9550 1.8 2.0 90 2.3 2.0 115 MARQUETTE 8760 1.1 2.1 52 2.0 2.5 80 SYLVAN LAKE 8420 1.2 2.1 57* 4.3 2.8 154 SYLVAN ROAD 7120 .2 .6 33* 3.1 2.3 135 YOUNTS PEAK 8350 1.0 1.5 67* 2.1 2.0 105 ----- ----- Basin wide percent of average 69* 117 POWDER-TONGUE BEAR TRAP MEADOW 8200 .7 .6 117 1.3 1.9 68 BIG GOOSE 7990 -M .9 * -M 2.2 * BONE SPRINGS DIV 9350 4.2 2.8 150 3.1 2.7 115 BURGESS JUNCTION 7880 1.4 1.7 82 2.8 2.4 117 CLOUD PEAK RESERVOIR 9860 1.7 1.7 100 1.8 2.8 64 DOME LAKE 8880 1.2 2.0 60 2.3 2.7 85 GRAVE SPRINGS 8550 .9 1.3 69 1.6 2.2 73 HANSEN SAWMILL 8360 .0 .9 0 .8 1.9 42 MIDDLE POWDER 7760 1.3 1.4 93* 1.8 2.8 64 POWDER RIVER PASS 9480 1.6 1.4 114 2.2 2.1 105 SUCKER CREEK 8880 2.2 1.5 147 2.7 2.6 104 TIE CREEK 6870 .0 .9 0 2.9 2.6 112 ----- ----- Basin wide percent of average 94 87 BELLE FOURCHE BLIND PARK 6890 .7 .7 100* 1.9 2.8 68 COLE CANYON 5910 .0 .9 0 1.7 -M * NORTH RAPID CREEK 6130 .7 .5 140* 1.3 2.6 50 ----- ----- Basin wide percent of average 67* 59 UPPER N. PLATTE RIVER COLUMBINE 9160 1.7 1.0 170* 4.1 2.6 158 DIVIDE PEAK 8860 3.6 1.9 189* 5.5 2.9 190 ELK RIVER 8700 .7 .8 87* 3.8 2.4 158 JOE WRIGHT 10120 3.2 2.8 114 4.6 3.6 128 NORTH FRENCH CREEK 10130 3.6 3.4 106* 4.7 3.6 131 OLD BATTLE 9920 4.5 3.4 132* 6.2 3.9 159 SAGE CREEK BASIN 7850 2.8 1.1 255* 3.9 1.7 229 SOUTH BRUSH CREEK 8440 1.5 .9 167* 2.7 2.8 96 TOWER 10500 5.2 4.0 130* 6.8 4.3 158 WEBBER SPRINGS 9250 2.8 2.1 133* 5.7 3.4 168 WILLOW CREEK PASS 9540 2.5 1.3 192* 2.4 2.2 109 ----- ----- Basin wide percent of average 141* 151 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 2.8 2.4 117* 3.8 2.7 141 CASPER MTN. 7850 1.1 1.9 58 1.9 2.7 70 DEADMAN HILL 10220 2.8 2.4 117 3.4 2.7 126 DEER PARK 9700 1.6 2.8 57 2.9 2.8 104 LAPRELE CREEK 8375 1.0 1.2 83 1.6 2.1 76 RENO HILL 8500 1.9 1.9 100 2.7 2.7 100 ROACH 9700 3.6 1.4 257* 4.7 2.5 188 SAND LAKE 10050 3.7 3.6 103* 4.4 3.3 133 SOUTH PASS 9040 1.4 1.7 82* 3.0 2.3 130 WINDY PEAK 7900 .8 .7 114* 1.6 1.9 84 ----- ----- Basin wide percent of average 103 117 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 -M .6 * 3.1 2.1 148 DIVIDE PEAK 8860 3.6 1.9 189* 5.5 2.9 190 OLD BATTLE 9920 4.5 3.4 132* 6.2 3.9 159 SANDSTONE RS 8150 1.9 .6 317* 3.3 2.5 132 WHISKEY PARK 8950 2.3 1.9 121* 4.8 3.2 150 ----- ----- Basin wide percent of average 158* 157 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.4 1.4 100* 2.0 2.0 100 BLIND BULL SUM 8900 .7 2.0 35* 2.1 2.4 88 EAST RIM DIVIDE 7930 .0 .8 0* 1.9 1.5 127 ELKHART PARK G.S. 9400 .5 1.0 50* 2.2 2.1 105 GROS VENTRE SUMMIT 8750 1.7 1.5 113 2.9 2.0 145 KENDALL R.S. 7740 .1 .8 12* 2.2 1.7 129 LOOMIS PARK 8240 .4 1.1 36* 2.2 2.0 110 NEW FORK LAKE 8340 .8 .7 114* 2.4 1.7 141 SNIDER BASIN 8060 .8 .9 89* 1.7 1.8 94 SPRING CREEK DIVIDE 9000 1.1 1.7 65* 2.2 2.9 76 TRIPLE PEAK 8500 1.4 1.4 100* 2.2 2.4 92 ----- ----- Basin wide percent of average 67* 107 LOWER GREEN RIVER HAMS FORK 7840 .3 .6 50* 2.0 1.6 125 HEWINTA 9500 .0 .9 0* 3.2 2.6 123 HICKERSON PARK 9100 .1 .5 20* 2.9 1.8 161 HOLE-IN-ROCK 9150 .5 .5 100* 2.6 1.7 153 INDIAN CREEK 9425 1.1 1.8 61* 2.4 2.8 86 KELLEY R.S. 8180 .8 1.1 73* 2.2 2.3 96 STEEL CREEK PARK 10100 1.4 1.8 78* 3.1 2.5 124 ----- ----- Basin wide percent of average 58* 120 UPPER BEAR RIVER BUG LAKE 7950 .6 1.4 43* 2.3 2.5 92 HAYDEN FORK 9100 .2 1.0 20* 4.7 2.6 181 KELLEY R.S. 8180 .8 1.1 73* 2.2 2.3 96 LILY LAKE 9050 .7 1.1 64* 3.5 2.6 135 MONTE CRISTO 8960 1.5 1.8 83* 3.9 3.0 130 SALT RIVER SUMMIT 7600 .3 .5 60* 2.0 2.1 95 TRIAL LAKE 9960 .8 2.1 38* 4.1 3.0 137 ----- ----- Basin wide percent of average 54* 125 ----------------------------------------------------------------------------- -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.