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 23 , 2005 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 2.9 3.0 97 6.4 5.0 128 COTTONWOOD CREEK 7600 2.7 3.5 77 6.0 6.7 90 GRANITE CREEK 6770 2.6 2.5 104 4.7 4.4 107 GRASSY LAKE 7265 5.5 5.8 95 9.7 8.0 121 GROS VENTRE SUMMIT 8750 3.1 3.1 100 4.4 3.7 119 LEWIS LAKE DIVIDE 7850 6.9 5.8 119 10.5 8.1 130 PHILLIPS BENCH 8200 4.8 4.9 98 7.0 6.1 115 SALT RIVER SUMMIT 7600 1.4 1.9 74 3.4 4.2 81 SNAKE RIVER STATION 6920 2.7 3.0 90 7.1 5.3 134 SPRING CREEK DIVIDE 9000 4.3 5.2 83 5.2 6.1 85 THUMB DIVIDE 7980 3.9 3.0 130 6.3 4.5 140 TOGWOTEE PASS 9580 6.6 5.8 114 7.0 6.1 115 TWO OCEAN PLATEAU 9240 11.3 6.9 164 9.5 6.9 138 WILLOW CREEK 8450 3.6 6.0 60 8.1 7.9 103 ----- ----- Basin wide percent of average 103 115 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 7.1 5.8 122 5.7 4.9 116 BLACK BEAR 8170 10.2 7.5 136 11.8 8.7 136 CANYON 8090 3.6 2.5 144 5.7 4.0 142 FISHER CREEK 9100 11.2 7.2 156 11.3 8.1 140 MADISON PLATEAU 7750 5.2 4.7 111 8.6 6.0 143 NORTHEAST ENTRANCE 7350 1.3 1.8 72 3.7 3.4 109 PARKER PEAK 9400 4.6 5.6 82 5.3 4.7 113 SYLVAN LAKE 8420 -M 5.2 * -M 5.9 * THUMB DIVIDE 7980 3.9 3.0 130 6.3 4.5 140 TWO OCEAN PLATEAU 9240 11.3 6.9 164 9.5 6.9 138 WHISKEY CREEK 6800 2.5 2.8 89 6.7 4.9 137 WHITE MILL 8700 6.0 5.2 115 6.6 6.4 103 WOLVERINE 7650 1.4 2.2 64 2.6 3.8 68 ----- ----- Basin wide percent of average 124 126 WIND RIVER BURROUGHS CREEK 8750 -M 3.0 * 4.9 4.0 123 COLD SPRINGS 9630 1.4 2.6 54 3.7 3.6 103 DEER PARK 9700 2.7 4.1 66 4.0 5.9 68 HOBBS PARK 10100 2.4 4.5 53 3.9 4.0 98 LITTLE WARM 9370 2.4 2.8 86 4.2 3.9 108 SOUTH PASS 9040 2.4 4.0 60 4.0 5.0 80 ST. LAWRENCE ALT 8620 .5 2.2 23 2.5 3.0 83 TOGWOTEE PASS 9580 6.6 5.8 114 7.0 6.1 115 TOWNSEND CREEK 8700 1.3 2.5 52 3.9 3.9 100 ----- ----- Basin wide percent of average 69 97 BIGHORN BASIN BALD MTN. 9380 3.7 5.2 71 3.4 4.6 74 BEAR TRAP MEADOW 8200 .6 1.4 43 2.7 3.0 90 BLACKWATER 9780 6.8 6.4 106 6.0 6.0 100 BONE SPRINGS DIV 9350 4.3 4.7 91 4.4 4.3 102 EVENING STAR 9200 5.8 6.8 85 8.2 6.8 121 GRAVE SPRINGS 8550 .9 2.4 38 3.3 3.2 103 KIRWIN 9550 4.4 3.6 122 4.6 3.5 131 MARQUETTE 8760 1.0 3.3 30 3.1 3.6 86 MIDDLE POWDER 7760 1.6 3.0 53 3.4 4.3 79 OWL CREEK 8975 .6 1.7 35 2.7 1.9 142 POWDER RIVER PASS 9480 1.5 2.8 54 3.4 3.5 97 SHELL CREEK 9580 3.3 4.5 73 3.4 3.9 87 SYLVAN LAKE 8420 -M 5.2 * -M 5.9 * SYLVAN ROAD 7120 1.7 2.6 65 5.7 5.4 106 TIMBER CREEK 7950 .6 2.1 29 2.7 2.7 100 YOUNTS PEAK 8350 -M 3.8 * 7.0 4.3 163 ----- ----- Basin wide percent of average 73 105 SHOSHONE RIVER BLACKWATER 9780 6.8 6.4 106 6.0 6.0 100 EVENING STAR 9200 5.8 6.8 85 8.2 6.8 121 KIRWIN 9550 4.4 3.6 122 4.6 3.5 131 MARQUETTE 8760 1.0 3.3 30 3.1 3.6 86 SYLVAN LAKE 8420 -M 5.2 * -M 5.9 * SYLVAN ROAD 7120 1.7 2.6 65 5.7 5.4 106 YOUNTS PEAK 8350 -M 3.8 * 7.0 4.3 163 ----- ----- Basin wide percent of average 87 117 POWDER-TONGUE BEAR TRAP MEADOW 8200 .6 1.4 43 2.7 3.0 90 BIG GOOSE 7990 1.3 1.9 68 3.4 2.8 121 BONE SPRINGS DIV 9350 4.3 4.7 91 4.4 4.3 102 BURGESS JUNCTION 7880 2.5 3.1 81 4.2 3.7 114 CLOUD PEAK RESERVOIR 9860 3.2 3.2 100 4.7 4.3 109 DOME LAKE 8880 3.1 3.6 86 4.1 4.3 95 GRAVE SPRINGS 8550 .9 2.4 38 3.3 3.2 103 HANSEN SAWMILL 8360 .9 1.6 56 2.8 2.9 97 MIDDLE POWDER 7760 1.6 3.0 53 3.4 4.3 79 POWDER RIVER PASS 9480 1.5 2.8 54 3.4 3.5 97 SUCKER CREEK 8880 2.2 2.8 79 4.5 4.0 112 TIE CREEK 6870 1.1 1.2 92 4.3 3.4 126 ----- ----- Basin wide percent of average 73 103 BELLE FOURCHE BLIND PARK 6890 1.0 1.8 56 2.8 4.0 70 COLE CANYON 5910 .9 1.6 56 2.7 -M * NORTH RAPID CREEK 6130 1.3 1.4 93 2.5 3.5 71 ----- ----- Basin wide percent of average 67 71 UPPER N. PLATTE RIVER COLUMBINE 9160 4.3 3.8 113 8.2 5.4 152 DIVIDE PEAK 8860 2.3 4.2 55 6.4 5.3 121 ELK RIVER 8700 1.5 2.4 62 5.3 4.4 120 JOE WRIGHT 10120 5.3 5.4 98 8.3 6.6 126 NORTH FRENCH CREEK 10130 6.9 6.6 105 8.4 6.4 131 OLD BATTLE 9920 6.9 7.3 95 9.6 7.8 123 SAGE CREEK BASIN 7850 1.3 2.5 52 4.0 3.1 129 SOUTH BRUSH CREEK 8440 2.3 2.3 100 5.6 4.5 124 TOWER 10500 8.6 10.2 84 12.0 8.9 135 WEBBER SPRINGS 9250 -M 5.3 * -M 6.6 * WILLOW CREEK PASS 9540 2.9 3.0 97 4.8 3.8 126 ----- ----- Basin wide percent of average 89 129 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 5.1 4.9 104 4.1 5.2 79 CASPER MTN. 7850 1.3 3.8 34 4.8 4.5 107 DEADMAN HILL 10220 4.5 4.3 105 6.3 4.6 137 DEER PARK 9700 2.7 4.1 66 4.0 5.9 68 LAPRELE CREEK 8375 1.0 2.6 38 2.5 3.7 68 RENO HILL 8500 2.5 3.6 69 4.3 4.4 98 ROACH 9700 3.8 3.5 109 6.2 4.5 138 SAND LAKE 10050 8.2 7.6 108 8.8 6.1 144 SOUTH PASS 9040 2.4 4.0 60 4.0 5.0 80 WINDY PEAK 7900 1.0 1.8 56 2.7 3.2 84 ----- ----- Basin wide percent of average 81 101 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .9 1.5 60 4.6 3.8 121 DIVIDE PEAK 8860 2.3 4.2 55 6.4 5.3 121 OLD BATTLE 9920 6.9 7.3 95 9.6 7.8 123 SANDSTONE RS 8150 1.3 1.8 72 5.3 4.7 113 WHISKEY PARK 8950 3.2 4.9 65 6.9 6.5 106 ----- ----- Basin wide percent of average 74 117 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.8 3.2 56 2.9 3.7 78 BLIND BULL SUM 8900 4.4 5.5 80 4.4 5.3 83 EAST RIM DIVIDE 7930 1.5 2.5 60 2.4 2.9 83 ELKHART PARK G.S. 9400 2.3 2.8 82 3.2 3.8 84 GROS VENTRE SUMMIT 8750 3.1 3.1 100 4.4 3.7 119 KENDALL R.S. 7740 2.0 2.5 80 3.5 3.4 103 LOOMIS PARK 8240 2.7 3.4 79 3.5 4.1 85 NEW FORK LAKE 8340 1.6 2.1 76 2.4 3.2 75 SNIDER BASIN 8060 2.6 2.8 93 3.1 3.8 82 SPRING CREEK DIVIDE 9000 4.3 5.2 83 5.2 6.1 85 TRIPLE PEAK 8500 4.3 4.8 90 6.0 5.4 111 ----- ----- Basin wide percent of average 81 90 LOWER GREEN RIVER HAMS FORK 7840 1.0 1.8 56 2.5 3.0 83 HEWINTA 9500 .8 1.8 44 4.0 4.3 93 HICKERSON PARK 9100 .0 1.2 0 2.4 2.8 86 HOLE-IN-ROCK 9150 1.9 1.2 158 2.7 2.7 100 INDIAN CREEK 9425 4.6 5.2 88 4.9 5.9 83 KELLEY R.S. 8180 2.1 3.2 66 3.7 4.8 77 STEEL CREEK PARK 10100 2.4 3.4 71 4.0 4.5 89 ----- ----- Basin wide percent of average 72 86 UPPER BEAR RIVER BUG LAKE 7950 1.8 3.2 56 3.5 4.8 73 HAYDEN FORK 9100 2.1 2.5 84 4.2 5.1 82 KELLEY R.S. 8180 2.1 3.2 66 3.7 4.8 77 LILY LAKE 9050 1.6 2.4 67 3.1 4.8 65 MONTE CRISTO 8960 3.4 4.1 83 5.1 6.1 84 SALT RIVER SUMMIT 7600 1.4 1.9 74 3.4 4.2 81 TRIAL LAKE 9960 3.7 4.5 82 4.8 5.7 84 ----- ----- Basin wide percent of average 74 78 ----------------------------------------------------------------------------- -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.