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: NOVEMBER 16 , 2004 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.7 2.1 81 3.3 4.1 80 COTTONWOOD CREEK 7600 2.2 2.5 88 4.8 5.6 86 GRANITE CREEK 6770 1.6 1.7 94* 4.3 3.6 119 GRASSY LAKE 7265 3.5 4.1 85 4.8 6.5 74 GROS VENTRE SUMMIT 8750 2.9 2.5 116 3.1 3.1 100 LEWIS LAKE DIVIDE 7850 4.2 4.0 105 5.1 6.6 77 PHILLIPS BENCH 8200 3.2 3.6 89 4.4 5.0 88 SALT RIVER SUMMIT 7600 1.2 1.3 92* 4.2 3.5 120 SNAKE RIVER STATION 6920 1.2 2.0 60 3.2 4.3 74 SPRING CREEK DIVIDE 9000 5.0 3.8 132 5.9 5.0 118 THUMB DIVIDE 7980 2.1 2.2 95 2.8 3.8 74 TOGWOTEE PASS 9580 3.2 4.8 67 3.4 5.1 67 TWO OCEAN PLATEAU 9240 5.6 5.6 100 4.9 5.7 86 WILLOW CREEK 8450 3.9 4.5 87 6.4 6.6 97 ----- ----- Basin wide percent of average 93 88 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.4 4.8 71 3.3 4.1 80 BLACK BEAR 8170 6.5 5.8 112 7.3 7.1 103 CANYON 8090 1.3 1.8 72 2.6 3.3 79 FISHER CREEK 9100 4.0 5.5 73 5.2 6.6 79 MADISON PLATEAU 7750 3.3 3.5 94 4.8 4.9 98 NORTHEAST ENTRANCE 7350 .1 1.2 8 1.5 2.8 54 PARKER PEAK 9400 3.4 4.5 76 2.9 4.0 72 SYLVAN LAKE 8420 3.2 4.1 78 4.4 4.9 90 THUMB DIVIDE 7980 2.1 2.2 95 2.8 3.8 74 TWO OCEAN PLATEAU 9240 5.6 5.6 100 4.9 5.7 86 WHISKEY CREEK 6800 -M 2.0 * -M 4.1 * WHITE MILL 8700 2.9 4.1 71 3.4 5.2 65 WOLVERINE 7650 .5 1.6 31 1.8 3.2 56 ----- ----- Basin wide percent of average 81 81 WIND RIVER BURROUGHS CREEK 8750 1.6 2.3 70 2.0 3.3 61 COLD SPRINGS 9630 2.0 2.2 91 2.3 3.1 74 DEER PARK 9700 6.9 3.8 182 8.0 4.8 167 HOBBS PARK 10100 3.8 3.8 100 3.9 3.4 115 LITTLE WARM 9370 1.6 2.3 70 2.1 3.2 66 SOUTH PASS 9040 4.7 3.2 147 6.0 4.1 146 ST. LAWRENCE ALT 8620 1.2 1.9 63 2.1 2.6 81 TOGWOTEE PASS 9580 3.2 4.8 67 3.4 5.1 67 TOWNSEND CREEK 8700 1.7 2.1 81 4.5 3.4 132 ----- ----- Basin wide percent of average 101 104 BIGHORN BASIN BALD MTN. 9380 3.8 4.6 83 4.1 3.9 105 BEAR TRAP MEADOW 8200 .4 1.1 36 2.7 2.6 104 BLACKWATER 9780 3.5 5.3 66 3.6 5.0 72 BONE SPRINGS DIV 9350 4.5 4.2 107 4.5 3.8 118 EVENING STAR 9200 3.5 5.4 65 4.8 5.5 87 GRAVE SPRINGS 8550 .7 2.0 35 2.6 2.9 90 KIRWIN 9550 1.4 3.1 45 1.7 3.0 57 MARQUETTE 8760 1.2 2.9 41 1.8 3.2 56 MIDDLE POWDER 7760 1.2 2.6 46 2.7 3.8 71 OWL CREEK 8975 .6 1.5 40 .9 1.7 53 POWDER RIVER PASS 9480 3.4 2.4 142 4.2 3.0 140 SHELL CREEK 9580 3.9 4.0 98 3.6 3.3 109 SYLVAN LAKE 8420 3.2 4.1 78 4.4 4.9 90 SYLVAN ROAD 7120 1.2 1.8 67 3.2 4.4 73 TIMBER CREEK 7950 .0 1.9 0 .6 2.4 25 YOUNTS PEAK 8350 1.8 2.9 62 2.9 3.5 83 ----- ----- Basin wide percent of average 69 85 SHOSHONE RIVER BLACKWATER 9780 3.5 5.3 66 3.6 5.0 72 EVENING STAR 9200 3.5 5.4 65 4.8 5.5 87 KIRWIN 9550 1.4 3.1 45 1.7 3.0 57 MARQUETTE 8760 1.2 2.9 41 1.8 3.2 56 SYLVAN LAKE 8420 3.2 4.1 78 4.4 4.9 90 SYLVAN ROAD 7120 1.2 1.8 67 3.2 4.4 73 YOUNTS PEAK 8350 1.8 2.9 62 2.9 3.5 83 ----- ----- Basin wide percent of average 62 76 POWDER-TONGUE BEAR TRAP MEADOW 8200 .4 1.1 36 2.7 2.6 104 BIG GOOSE 7990 1.3 1.6 81 3.0 2.6 115 BONE SPRINGS DIV 9350 4.5 4.2 107 4.5 3.8 118 BURGESS JUNCTION 7880 1.8 2.8 64 3.1 3.2 97 CLOUD PEAK RESERVOIR 9860 3.0 2.8 107 3.2 3.8 84 DOME LAKE 8880 -M 3.3 * -M 3.8 * GRAVE SPRINGS 8550 .7 2.0 35 2.6 2.9 90 HANSEN SAWMILL 8360 .4 1.3 31 1.8 2.5 72 MIDDLE POWDER 7760 1.2 2.6 46 2.7 3.8 71 POWDER RIVER PASS 9480 3.4 2.4 142 4.2 3.0 140 SUCKER CREEK 8880 3.3 2.4 138 4.1 3.5 117 TIE CREEK 6870 .0 1.2 0 2.7 3.2 84 ----- ----- Basin wide percent of average 82 99 BELLE FOURCHE BLIND PARK 6890 .9 1.5 60 2.8 3.6 78 COLE CANYON 5910 .0 1.4 0 2.3 -M * NORTH RAPID CREEK 6130 .8 1.0 80 2.1 3.2 66 ----- ----- Basin wide percent of average 44 72 UPPER N. PLATTE RIVER COLUMBINE 9160 1.2 2.8 43 3.7 4.5 82 DIVIDE PEAK 8860 4.1 3.3 124 7.1 4.5 158 ELK RIVER 8700 .3 1.7 18* 4.5 3.8 118 JOE WRIGHT 10120 5.1 4.6 111 -M 5.6 * NORTH FRENCH CREEK 10130 4.2 5.5 76 4.7 5.5 85 OLD BATTLE 9920 8.1 5.9 137 9.7 6.5 149 SAGE CREEK BASIN 7850 1.6 2.0 80 5.8 2.6 223 SOUTH BRUSH CREEK 8440 .8 1.8 44 2.5 4.0 62 TOWER 10500 8.3 8.0 104 7.5 7.3 103 WEBBER SPRINGS 9250 4.6 4.2 110 6.8 5.5 124 WILLOW CREEK PASS 9540 2.9 2.5 116 3.1 3.2 97 ----- ----- Basin wide percent of average 97 117 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 2.2 3.9 56 3.0 4.4 68 CASPER MTN. 7850 1.3 3.2 41 3.3 3.9 85 DEADMAN HILL 10220 4.4 3.7 119 3.4 4.0 85 DEER PARK 9700 6.9 3.8 182 8.0 4.8 167 LAPRELE CREEK 8375 .9 2.1 43 2.8 3.1 90 RENO HILL 8500 1.3 3.0 43 2.5 3.8 66 ROACH 9700 1.7 2.7 63 3.3 3.8 87 SAND LAKE 10050 5.4 6.2 87 4.4 5.2 85 SOUTH PASS 9040 4.7 3.2 147 6.0 4.1 146 WINDY PEAK 7900 -M 1.5 * -M 2.8 * ----- ----- Basin wide percent of average 91 99 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 1.2 0 4.1 3.2 128 DIVIDE PEAK 8860 4.1 3.3 124 7.1 4.5 158 OLD BATTLE 9920 8.1 5.9 137 9.7 6.5 149 SANDSTONE RS 8150 .9 1.4 64* 5.0 4.0 125 WHISKEY PARK 8950 3.8 3.8 100 5.8 5.4 107 ----- ----- Basin wide percent of average 108 134 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.3 2.5 212 5.5 3.1 177 BLIND BULL SUM 8900 3.6 4.1 88 3.9 4.3 91 EAST RIM DIVIDE 7930 1.0 1.8 56 2.3 2.5 92 ELKHART PARK G.S. 9400 3.7 2.1 176 4.7 3.2 147 GROS VENTRE SUMMIT 8750 2.9 2.5 116 3.1 3.1 100 KENDALL R.S. 7740 2.1 1.8 117 3.5 2.8 125 LOOMIS PARK 8240 2.2 2.4 92 3.5 3.4 103 NEW FORK LAKE 8340 1.7 1.6 106 2.5 2.7 93 SNIDER BASIN 8060 2.6 2.0 130 3.7 3.1 119 SPRING CREEK DIVIDE 9000 5.0 3.8 132 5.9 5.0 118 TRIPLE PEAK 8500 2.6 3.5 74 4.2 4.4 95 ----- ----- Basin wide percent of average 116 114 LOWER GREEN RIVER HAMS FORK 7840 1.6 1.3 123 4.1 2.5 164 HEWINTA 9500 .0 1.4 0 3.9 3.7 105 HICKERSON PARK 9100 .7 .9 78 4.8 2.5 192 HOLE-IN-ROCK 9150 2.4 1.0 240 4.4 2.4 183 INDIAN CREEK 9425 6.4 3.9 164 6.6 4.8 138 KELLEY R.S. 8180 4.1 2.4 171 5.8 4.0 145 STEEL CREEK PARK 10100 5.3 2.8 189 5.3 3.8 139 ----- ----- Basin wide percent of average 150 147 UPPER BEAR RIVER BUG LAKE 7950 2.7 2.5 108 5.8 4.0 145 HAYDEN FORK 9100 3.7 1.9 195 8.0 4.3 186 KELLEY R.S. 8180 4.1 2.4 171 5.8 4.0 145 LILY LAKE 9050 3.5 1.9 184 6.2 4.1 151 MONTE CRISTO 8960 6.6 3.1 213 7.8 5.1 153 SALT RIVER SUMMIT 7600 1.2 1.3 92* 4.2 3.5 120 TRIAL LAKE 9960 7.7 3.6 214 10.1 4.8 210 ----- ----- Basin wide percent of average 177 161 ----------------------------------------------------------------------------- -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.