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 SATURDAY: NOVEMBER 19 , 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 2.5 116 6.5 4.5 144 COTTONWOOD CREEK 7600 2.8 3.0 93 6.0 6.0 100 GRANITE CREEK 6770 2.6 2.0 130 4.7 4.0 118 GRASSY LAKE 7265 5.5 4.8 115 10.0 7.2 139 GROS VENTRE SUMMIT 8750 3.1 2.8 111 4.4 3.3 133 LEWIS LAKE DIVIDE 7850 7.1 4.8 148 10.7 7.3 147 PHILLIPS BENCH 8200 4.8 4.2 114 7.0 5.4 130 SALT RIVER SUMMIT 7600 1.4 1.6 87 3.4 3.8 89 SNAKE RIVER STATION 6920 2.8 2.4 117 7.0 4.8 146 SPRING CREEK DIVIDE 9000 4.3 4.4 98 5.2 5.5 95 THUMB DIVIDE 7980 4.0 2.6 154 6.3 4.1 154 TOGWOTEE PASS 9580 6.5 5.2 125 7.0 5.5 127 TWO OCEAN PLATEAU 9240 11.4 6.1 187 9.5 6.2 153 WILLOW CREEK 8450 3.7 5.2 71 8.1 7.2 112 ----- ----- Basin wide percent of average 122 128 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 7.1 5.3 134 5.7 4.4 130 BLACK BEAR 8170 10.3 6.5 158 11.8 7.7 153 CANYON 8090 3.5 2.1 167 5.7 3.6 158 FISHER CREEK 9100 11.2 6.2 181 11.2 7.2 156 MADISON PLATEAU 7750 5.3 4.0 132 8.6 5.4 159 NORTHEAST ENTRANCE 7350 1.3 1.5 87 3.7 3.0 123 PARKER PEAK 9400 4.6 5.0 92 5.3 4.3 123 SYLVAN LAKE 8420 3.8 4.5 84 7.1 5.3 134 THUMB DIVIDE 7980 4.0 2.6 154 6.3 4.1 154 TWO OCEAN PLATEAU 9240 11.4 6.1 187 9.5 6.2 153 WHISKEY CREEK 6800 2.7 2.4 113 6.7 4.5 149 WHITE MILL 8700 6.0 4.6 130 6.7 5.7 118 WOLVERINE 7650 1.4 1.9 74 2.6 3.5 74 ----- ----- Basin wide percent of average 138 140 WIND RIVER BURROUGHS CREEK 8750 -M 2.6 * 4.9 3.6 136 COLD SPRINGS 9630 1.4 2.4 58 3.6 3.3 109 DEER PARK 9700 2.7 3.9 69 4.0 5.3 75 HOBBS PARK 10100 2.4 4.1 59 4.0 3.6 111 LITTLE WARM 9370 2.3 2.5 92 4.1 3.5 117 SOUTH PASS 9040 2.6 3.6 72 4.0 4.5 89 ST. LAWRENCE ALT 8620 .5 2.0 25 2.6 2.8 93 TOGWOTEE PASS 9580 6.5 5.2 125 7.0 5.5 127 TOWNSEND CREEK 8700 1.4 2.2 64 4.0 3.6 111 ----- ----- Basin wide percent of average 76 107 BIGHORN BASIN BALD MTN. 9380 3.5 4.8 73 3.2 4.2 76 BEAR TRAP MEADOW 8200 .5 1.2 42 2.7 2.8 96 BLACKWATER 9780 6.8 5.8 117 5.9 5.4 109 BONE SPRINGS DIV 9350 4.2 4.4 95 4.3 4.0 108 EVENING STAR 9200 5.8 6.0 97 8.2 6.1 134 GRAVE SPRINGS 8550 .8 2.2 36 3.4 3.0 113 KIRWIN 9550 4.3 3.3 130 4.7 3.2 147 MARQUETTE 8760 .8 3.0 27 3.1 3.4 91 MIDDLE POWDER 7760 1.6 2.8 57 3.3 4.0 82 OWL CREEK 8975 .6 1.6 37 2.7 1.8 150 POWDER RIVER PASS 9480 1.5 2.5 60 3.2 3.3 97 SHELL CREEK 9580 3.3 4.2 79 3.3 3.5 94 SYLVAN LAKE 8420 3.8 4.5 84 7.1 5.3 134 SYLVAN ROAD 7120 1.8 2.1 86 5.6 4.8 117 TIMBER CREEK 7950 .6 2.0 30 2.7 2.5 108 YOUNTS PEAK 8350 -M 3.3 * 7.1 3.9 182 ----- ----- Basin wide percent of average 79 115 SHOSHONE RIVER BLACKWATER 9780 6.8 5.8 117 5.9 5.4 109 EVENING STAR 9200 5.8 6.0 97 8.2 6.1 134 KIRWIN 9550 4.3 3.3 130 4.7 3.2 147 MARQUETTE 8760 .8 3.0 27 3.1 3.4 91 SYLVAN LAKE 8420 3.8 4.5 84 7.1 5.3 134 SYLVAN ROAD 7120 1.8 2.1 86 5.6 4.8 117 YOUNTS PEAK 8350 -M 3.3 * 7.1 3.9 182 ----- ----- Basin wide percent of average 94 130 POWDER-TONGUE BEAR TRAP MEADOW 8200 .5 1.2 42 2.7 2.8 96 BIG GOOSE 7990 1.3 1.7 76 3.4 2.7 126 BONE SPRINGS DIV 9350 4.2 4.4 95 4.3 4.0 108 BURGESS JUNCTION 7880 2.6 2.9 90 4.2 3.4 124 CLOUD PEAK RESERVOIR 9860 3.1 3.0 103 4.3 4.0 108 DOME LAKE 8880 2.9 3.4 85 4.1 4.0 102 GRAVE SPRINGS 8550 .8 2.2 36 3.4 3.0 113 HANSEN SAWMILL 8360 .8 1.5 53 2.7 2.7 100 MIDDLE POWDER 7760 1.6 2.8 57 3.3 4.0 82 POWDER RIVER PASS 9480 1.5 2.5 60 3.2 3.3 97 SUCKER CREEK 8880 2.1 2.6 81 4.4 3.7 119 TIE CREEK 6870 1.1 1.2 92 4.3 3.3 130 ----- ----- Basin wide percent of average 77 108 BELLE FOURCHE BLIND PARK 6890 1.0 1.6 62 2.8 3.8 74 COLE CANYON 5910 .9 1.5 60 2.6 -M * NORTH RAPID CREEK 6130 1.3 1.2 108 2.4 3.3 73 ----- ----- Basin wide percent of average 74 73 UPPER N. PLATTE RIVER COLUMBINE 9160 4.5 3.2 141 8.5 4.8 177 DIVIDE PEAK 8860 2.3 3.7 62 6.4 4.8 133 ELK RIVER 8700 1.7 2.0 85 5.3 4.0 132 JOE WRIGHT 10120 5.6 5.0 112 8.2 6.0 137 NORTH FRENCH CREEK 10130 6.9 6.0 115 8.4 5.9 142 OLD BATTLE 9920 6.9 6.5 106 9.2 7.1 130 SAGE CREEK BASIN 7850 1.3 2.2 59 4.1 2.8 146 SOUTH BRUSH CREEK 8440 2.3 2.0 115 5.5 4.2 131 TOWER 10500 8.6 8.9 97 11.9 8.0 149 WEBBER SPRINGS 9250 -M 4.7 * -M 6.0 * WILLOW CREEK PASS 9540 2.6 2.7 96 4.8 3.5 137 ----- ----- Basin wide percent of average 101 141 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 5.0 4.3 116 4.0 4.8 83 CASPER MTN. 7850 1.5 3.5 43 4.7 4.2 112 DEADMAN HILL 10220 4.5 4.0 112 6.3 4.2 150 DEER PARK 9700 2.7 3.9 69 4.0 5.3 75 LAPRELE CREEK 8375 1.0 2.3 43 2.4 3.4 71 RENO HILL 8500 2.4 3.2 75 4.2 4.1 102 ROACH 9700 3.7 3.0 123 6.1 4.1 149 SAND LAKE 10050 8.3 6.8 122 8.9 5.6 159 SOUTH PASS 9040 2.6 3.6 72 4.0 4.5 89 WINDY PEAK 7900 .9 1.6 56 2.6 2.9 90 ----- ----- Basin wide percent of average 90 110 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.4 1.3 108 4.8 3.4 141 DIVIDE PEAK 8860 2.3 3.7 62 6.4 4.8 133 OLD BATTLE 9920 6.9 6.5 106 9.2 7.1 130 SANDSTONE RS 8150 1.4 1.6 87 5.4 4.3 126 WHISKEY PARK 8950 3.4 4.3 79 7.0 5.9 119 ----- ----- Basin wide percent of average 89 129 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.8 2.8 64 2.9 3.3 88 BLIND BULL SUM 8900 4.4 4.7 94 4.4 4.8 92 EAST RIM DIVIDE 7930 1.4 2.1 67 2.4 2.7 89 ELKHART PARK G.S. 9400 2.2 2.4 92 3.1 3.4 91 GROS VENTRE SUMMIT 8750 3.1 2.8 111 4.4 3.3 133 KENDALL R.S. 7740 2.0 2.1 95 3.5 3.1 113 LOOMIS PARK 8240 2.7 2.8 96 3.6 3.7 97 NEW FORK LAKE 8340 1.5 1.8 83 2.3 2.9 79 SNIDER BASIN 8060 2.6 2.3 113 3.3 3.4 97 SPRING CREEK DIVIDE 9000 4.3 4.4 98 5.2 5.5 95 TRIPLE PEAK 8500 4.4 4.0 110 6.1 4.8 127 ----- ----- Basin wide percent of average 94 101 LOWER GREEN RIVER HAMS FORK 7840 1.1 1.5 73 2.5 2.7 93 HEWINTA 9500 1.4 1.6 87 3.9 3.9 100 HICKERSON PARK 9100 .1 1.1 9 2.3 2.6 88 HOLE-IN-ROCK 9150 1.0 1.1 91 2.7 2.5 108 INDIAN CREEK 9425 4.5 4.5 100 4.8 5.3 91 KELLEY R.S. 8180 2.1 2.8 75 3.7 4.3 86 STEEL CREEK PARK 10100 2.5 3.0 83 4.1 4.1 100 ----- ----- Basin wide percent of average 81 94 UPPER BEAR RIVER BUG LAKE 7950 1.9 2.8 68 3.6 4.4 82 HAYDEN FORK 9100 -M 2.1 * -M 4.7 * KELLEY R.S. 8180 2.1 2.8 75 3.7 4.3 86 LILY LAKE 9050 1.5 2.1 71 3.1 4.4 70 MONTE CRISTO 8960 3.3 3.5 94 5.1 5.5 93 SALT RIVER SUMMIT 7600 1.4 1.6 87 3.4 3.8 89 TRIAL LAKE 9960 3.8 4.0 95 4.7 5.2 90 ----- ----- Basin wide percent of average 83 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.