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 WEDNESDAY: NOVEMBER 30 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 3.7 4.0 92 7.3 6.0 122 COTTONWOOD CREEK 7600 4.1 4.6 89 7.5 7.8 96 GRANITE CREEK 6770 3.5 3.3 106 5.6 5.3 106 GRASSY LAKE 7265 7.3 7.5 97 11.6 9.4 123 GROS VENTRE SUMMIT 8750 3.6 3.8 95 4.8 4.2 114 LEWIS LAKE DIVIDE 7850 8.0 7.5 107 11.7 9.7 121 PHILLIPS BENCH 8200 6.0 6.2 97 8.2 7.2 114 SALT RIVER SUMMIT 7600 2.4 2.5 96 4.3 4.9 88 SNAKE RIVER STATION 6920 3.7 3.9 95 8.1 6.3 129 SPRING CREEK DIVIDE 9000 5.4 6.6 82 6.3 7.1 89 THUMB DIVIDE 7980 4.3 3.9 110 6.6 5.3 125 TOGWOTEE PASS 9580 7.4 6.8 109 7.9 7.2 110 TWO OCEAN PLATEAU 9240 12.6 8.1 156 10.6 8.0 132 WILLOW CREEK 8450 5.7 7.5 76 10.0 9.2 109 ----- ----- Basin wide percent of average 102 113 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 7.7 6.9 112 6.2 5.8 107 BLACK BEAR 8170 11.8 9.3 127 13.3 10.3 129 CANYON 8090 4.2 3.1 135 6.3 4.7 134 FISHER CREEK 9100 12.5 8.9 140 12.4 9.6 129 MADISON PLATEAU 7750 6.0 5.9 102 9.4 7.0 134 NORTHEAST ENTRANCE 7350 2.1 2.4 88 4.4 3.9 113 PARKER PEAK 9400 5.7 6.6 86 6.2 5.4 115 SYLVAN LAKE 8420 4.7 6.2 76 8.1 7.0 116 THUMB DIVIDE 7980 4.3 3.9 110 6.6 5.3 125 TWO OCEAN PLATEAU 9240 12.6 8.1 156 10.6 8.0 132 WHISKEY CREEK 6800 3.1 3.7 84 7.3 5.8 126 WHITE MILL 8700 6.8 6.4 106 7.2 7.5 96 WOLVERINE 7650 2.2 2.9 76 2.8 4.4 64 ----- ----- Basin wide percent of average 113 119 WIND RIVER BURROUGHS CREEK 8750 -M 3.7 * 5.4 4.8 113 COLD SPRINGS 9630 1.4 3.0 47 3.7 4.1 90 DEER PARK 9700 3.3 4.5 73 4.6 6.9 67 HOBBS PARK 10100 2.5 5.2 48 4.1 4.5 91 LITTLE WARM 9370 2.7 3.3 82 4.5 4.5 100 SOUTH PASS 9040 3.0 4.8 62 4.5 5.9 76 ST. LAWRENCE ALT 8620 .5 2.6 19 2.6 3.4 76 TOGWOTEE PASS 9580 7.4 6.8 109 7.9 7.2 110 TOWNSEND CREEK 8700 1.5 2.9 52 4.2 4.4 95 ----- ----- Basin wide percent of average 67 91 BIGHORN BASIN BALD MTN. 9380 4.4 5.8 76 3.6 5.2 69 BEAR TRAP MEADOW 8200 1.3 1.6 81 3.5 3.3 106 BLACKWATER 9780 7.3 7.6 96 6.2 7.1 87 BONE SPRINGS DIV 9350 4.9 5.2 94 4.9 4.8 102 EVENING STAR 9200 6.3 8.3 76 8.8 8.0 110 GRAVE SPRINGS 8550 2.3 2.7 85 4.5 3.6 125 KIRWIN 9550 4.5 4.1 110 4.7 4.0 118 MARQUETTE 8760 1.0 3.7 27 3.3 4.0 82 MIDDLE POWDER 7760 4.0 3.4 118 4.6 4.8 96 OWL CREEK 8975 .7 1.9 37 2.7 2.2 123 POWDER RIVER PASS 9480 2.1 3.2 66 3.7 4.0 92 SHELL CREEK 9580 3.9 5.0 78 4.0 4.4 91 SYLVAN LAKE 8420 4.7 6.2 76 8.1 7.0 116 SYLVAN ROAD 7120 2.3 3.4 68 6.3 6.5 97 TIMBER CREEK 7950 .6 2.3 26 2.8 3.0 93 YOUNTS PEAK 8350 -M 4.6 * 7.4 5.1 145 ----- ----- Basin wide percent of average 78 103 SHOSHONE RIVER BLACKWATER 9780 7.3 7.6 96 6.2 7.1 87 EVENING STAR 9200 6.3 8.3 76 8.8 8.0 110 KIRWIN 9550 4.5 4.1 110 4.7 4.0 118 MARQUETTE 8760 1.0 3.7 27 3.3 4.0 82 SYLVAN LAKE 8420 4.7 6.2 76 8.1 7.0 116 SYLVAN ROAD 7120 2.3 3.4 68 6.3 6.5 97 YOUNTS PEAK 8350 -M 4.6 * 7.4 5.1 145 ----- ----- Basin wide percent of average 78 107 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.3 1.6 81 3.5 3.3 106 BIG GOOSE 7990 1.7 2.2 77 3.9 3.0 130 BONE SPRINGS DIV 9350 4.9 5.2 94 4.9 4.8 102 BURGESS JUNCTION 7880 3.5 3.5 100 5.1 4.1 124 CLOUD PEAK RESERVOIR 9860 3.6 3.7 97 4.9 4.8 102 DOME LAKE 8880 3.5 4.0 88 4.7 4.8 98 GRAVE SPRINGS 8550 2.3 2.7 85 4.5 3.6 125 HANSEN SAWMILL 8360 1.2 2.0 60 2.9 3.2 91 MIDDLE POWDER 7760 4.0 3.4 118 4.6 4.8 96 POWDER RIVER PASS 9480 2.1 3.2 66 3.7 4.0 92 SUCKER CREEK 8880 2.9 3.2 91 5.2 4.4 118 TIE CREEK 6870 1.7 1.2 142 4.9 3.7 132 ----- ----- Basin wide percent of average 91 109 BELLE FOURCHE BLIND PARK 6890 1.2 2.0 60 3.0 4.4 68 COLE CANYON 5910 1.1 1.9 58 3.2 -M * NORTH RAPID CREEK 6130 1.2 1.7 71 2.6 3.8 68 ----- ----- Basin wide percent of average 62 68 UPPER N. PLATTE RIVER COLUMBINE 9160 5.6 4.8 117 9.5 6.3 151 DIVIDE PEAK 8860 3.7 5.0 74 7.5 6.1 123 ELK RIVER 8700 2.8 3.0 93 6.2 5.1 122 JOE WRIGHT 10120 6.9 6.2 111 9.4 7.6 124 NORTH FRENCH CREEK 10130 8.5 7.7 110 9.7 7.4 131 OLD BATTLE 9920 8.5 8.8 97 11.5 9.1 126 SAGE CREEK BASIN 7850 2.2 2.9 76 5.0 3.5 143 SOUTH BRUSH CREEK 8440 3.7 2.8 132 7.0 5.1 137 TOWER 10500 10.9 12.3 89 14.0 10.4 135 WEBBER SPRINGS 9250 -M 6.4 * -M 7.6 * WILLOW CREEK PASS 9540 4.1 3.5 117 5.5 4.3 128 ----- ----- Basin wide percent of average 100 131 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 5.6 5.9 95 4.4 6.1 72 CASPER MTN. 7850 3.3 4.5 73 6.3 5.1 124 DEADMAN HILL 10220 5.0 4.9 102 6.8 5.2 131 DEER PARK 9700 3.3 4.5 73 4.6 6.9 67 LAPRELE CREEK 8375 1.5 3.1 48 2.8 4.2 67 RENO HILL 8500 4.1 4.2 98 5.8 5.0 116 ROACH 9700 4.1 4.2 98 6.5 5.1 127 SAND LAKE 10050 9.8 9.0 109 10.3 7.1 145 SOUTH PASS 9040 3.0 4.8 62 4.5 5.9 76 WINDY PEAK 7900 1.0 2.2 45 3.0 3.6 83 ----- ----- Basin wide percent of average 86 101 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.5 1.8 139 5.8 4.3 135 DIVIDE PEAK 8860 3.7 5.0 74 7.5 6.1 123 OLD BATTLE 9920 8.5 8.8 97 11.5 9.1 126 SANDSTONE RS 8150 2.9 2.3 126 7.0 5.4 130 WHISKEY PARK 8950 5.0 5.9 85 8.7 7.6 114 ----- ----- Basin wide percent of average 95 125 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.7 3.9 69 3.8 4.2 90 BLIND BULL SUM 8900 5.5 6.9 80 5.3 6.3 84 EAST RIM DIVIDE 7930 2.0 3.1 65 2.8 3.4 82 ELKHART PARK G.S. 9400 3.2 3.4 94 4.2 4.3 98 GROS VENTRE SUMMIT 8750 3.6 3.8 95 4.8 4.2 114 KENDALL R.S. 7740 2.7 3.1 87 4.2 4.0 105 LOOMIS PARK 8240 3.6 4.3 84 4.5 4.8 94 NEW FORK LAKE 8340 2.3 2.7 85 2.9 3.7 78 SNIDER BASIN 8060 3.2 3.5 91 3.6 4.4 82 SPRING CREEK DIVIDE 9000 5.4 6.6 82 6.3 7.1 89 TRIPLE PEAK 8500 5.6 6.1 92 7.3 6.4 114 ----- ----- Basin wide percent of average 84 94 LOWER GREEN RIVER HAMS FORK 7840 1.8 2.4 75 2.9 3.4 85 HEWINTA 9500 1.7 2.2 77 4.8 4.8 100 HICKERSON PARK 9100 .4 1.5 27 2.5 3.2 78 HOLE-IN-ROCK 9150 2.2 1.5 147 3.1 3.0 103 INDIAN CREEK 9425 5.5 6.5 85 5.6 6.9 81 KELLEY R.S. 8180 2.8 4.1 68 4.5 5.6 80 STEEL CREEK PARK 10100 3.5 3.9 90 5.2 5.1 102 ----- ----- Basin wide percent of average 81 89 UPPER BEAR RIVER BUG LAKE 7950 2.6 4.0 65 4.5 5.6 80 HAYDEN FORK 9100 3.6 3.0 120 6.1 6.0 102 KELLEY R.S. 8180 2.8 4.1 68 4.5 5.6 80 LILY LAKE 9050 3.0 2.8 107 4.4 5.6 79 MONTE CRISTO 8960 5.0 5.1 98 6.1 7.2 85 SALT RIVER SUMMIT 7600 2.4 2.5 96 4.3 4.9 88 TRIAL LAKE 9960 5.1 5.5 93 5.9 6.6 89 ----- ----- Basin wide percent of average 91 86 ----------------------------------------------------------------------------- -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.