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: FEBRUARY 16 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 17.3 14.5 119 21.4 16.9 127 COTTONWOOD CREEK 7600 23.3 16.2 144 25.7 21.0 122 GRANITE CREEK 6770 17.7 14.3 124 19.9 15.7 127 GRASSY LAKE 7265 30.1 26.4 114 34.0 28.2 121 GROS VENTRE SUMMIT 8750 9.7 10.5 92 10.5 9.8 107 LEWIS LAKE DIVIDE 7850 33.1 26.6 124 32.7 28.4 115 PHILLIPS BENCH 8200 25.7 21.3 121 26.8 22.2 121 SALT RIVER SUMMIT 7600 12.9 10.9 118 15.7 14.3 110 SNAKE RIVER STATION 6920 16.9 14.7 115 21.8 17.7 123 SPRING CREEK DIVIDE 9000 26.1 19.9 131 -M 20.6 * THUMB DIVIDE 7980 14.2 13.6 104 14.9 14.5 103 TOGWOTEE PASS 9580 19.7 18.9 104 20.5 18.9 108 TWO OCEAN PLATEAU 9240 29.2 21.3 137 23.3 21.1 110 WILLOW CREEK 8450 27.8 22.9 121 31.8 24.6 129 ----- ----- Basin wide percent of average 121 118 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 17.4 18.3 95 15.1 15.7 96 BLACK BEAR 8170 39.5 29.4 134 -M 30.0 * CANYON 8090 11.8 10.2 116 14.3 12.0 119 FISHER CREEK 9100 32.1 26.8 120 29.8 27.8 107 MADISON PLATEAU 7750 21.2 18.7 113 24.7 20.0 123 NORTHEAST ENTRANCE 7350 8.0 8.9 90 10.2 9.9 103 PARKER PEAK 9400 14.9 16.5 90 13.7 12.5 110 SYLVAN LAKE 8420 13.7 16.8 82 17.3 16.5 105 THUMB DIVIDE 7980 14.2 13.6 104 14.9 14.5 103 TWO OCEAN PLATEAU 9240 29.2 21.3 137 23.3 21.1 110 WHISKEY CREEK 6800 12.6 12.8 98 18.9 15.7 120 WHITE MILL 8700 20.4 18.3 111 18.3 20.7 88 WOLVERINE 7650 8.8 9.8 90 7.2 10.3 70 ----- ----- Basin wide percent of average 110 106 WIND RIVER BURROUGHS CREEK 8750 11.2 11.4 98 12.9 12.6 102 COLD SPRINGS 9630 3.7 6.5 57 6.5 7.8 83 DEER PARK 9700 13.4 13.8 97 15.9 16.3 98 HOBBS PARK 10100 7.9 10.8 73 8.4 9.1 92 LITTLE WARM 9370 6.8 8.6 79 8.8 10.1 87 SOUTH PASS 9040 13.0 12.6 103 14.0 13.7 102 ST. LAWRENCE ALT 8620 2.2 5.2 42 4.8 6.4 75 TOGWOTEE PASS 9580 19.7 18.9 104 20.5 18.9 108 TOWNSEND CREEK 8700 4.7 6.3 75 7.6 8.2 93 ----- ----- Basin wide percent of average 88 96 BIGHORN BASIN BALD MTN. 9380 11.7 14.6 80 8.9 13.0 68 BEAR TRAP MEADOW 8200 4.3 3.9 110 6.2 6.0 103 BLACKWATER 9780 17.6 18.4 96 15.8 15.8 100 BONE SPRINGS DIV 9350 10.0 11.8 85 9.6 10.7 90 EVENING STAR 9200 20.0 22.5 89 22.2 19.9 112 GRAVE SPRINGS 8550 7.4 6.6 112 9.5 7.2 132 KIRWIN 9550 7.8 8.4 93 8.3 8.5 98 MARQUETTE 8760 1.7 6.3 27 5.7 6.9 83 MIDDLE POWDER 7760 10.1 8.2 123 8.4 9.0 93 OWL CREEK 8975 2.1 3.7 57 3.8 4.1 93 POWDER RIVER PASS 9480 7.6 8.0 95 8.7 9.2 95 SHELL CREEK 9580 10.0 10.8 93 9.5 10.1 94 SYLVAN LAKE 8420 13.7 16.8 82 17.3 16.5 105 SYLVAN ROAD 7120 8.6 10.3 83 13.2 14.5 91 TIMBER CREEK 7950 1.5 3.9 38 4.1 5.0 82 YOUNTS PEAK 8350 11.7 13.3 88 14.4 12.6 114 ----- ----- Basin wide percent of average 87 98 SHOSHONE RIVER BLACKWATER 9780 17.6 18.4 96 15.8 15.8 100 EVENING STAR 9200 20.0 22.5 89 22.2 19.9 112 KIRWIN 9550 7.8 8.4 93 8.3 8.5 98 MARQUETTE 8760 1.7 6.3 27 5.7 6.9 83 SYLVAN LAKE 8420 13.7 16.8 82 17.3 16.5 105 SYLVAN ROAD 7120 8.6 10.3 83 13.2 14.5 91 YOUNTS PEAK 8350 11.7 13.3 88 14.4 12.6 114 ----- ----- Basin wide percent of average 84 102 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.3 3.9 110 6.2 6.0 103 BIG GOOSE 7990 4.5 6.9 65 6.6 6.3 105 BONE SPRINGS DIV 9350 10.0 11.8 85 9.6 10.7 90 BURGESS JUNCTION 7880 7.2 8.2 88 8.4 8.8 95 CLOUD PEAK RESERVOIR 9860 9.9 9.0 110 8.7 9.1 96 DOME LAKE 8880 7.7 8.8 88 8.6 9.5 91 GRAVE SPRINGS 8550 7.4 6.6 112 9.5 7.2 132 HANSEN SAWMILL 8360 2.7 4.6 59 4.6 5.8 79 MIDDLE POWDER 7760 10.1 8.2 123 8.4 9.0 93 POWDER RIVER PASS 9480 7.6 8.0 95 8.7 9.2 95 SUCKER CREEK 8880 7.8 8.2 95 10.4 9.7 107 TIE CREEK 6870 3.9 4.5 87 7.9 7.4 107 ----- ----- Basin wide percent of average 94 99 BELLE FOURCHE BLIND PARK 6890 6.2 6.0 103 8.3 8.6 97 COLE CANYON 5910 3.9 4.5 87 6.8 -M * NORTH RAPID CREEK 6130 5.3 6.0 88 6.4 6.9 93 ----- ----- Basin wide percent of average 93 95 UPPER N. PLATTE RIVER COLUMBINE 9160 25.8 19.5 132 28.0 18.9 148 DIVIDE PEAK 8860 13.9 14.2 98 16.3 15.5 105 ELK RIVER 8700 16.0 14.3 112 17.0 14.5 117 JOE WRIGHT 10120 17.5 15.6 112 21.4 18.3 117 NORTH FRENCH CREEK 10130 27.4 20.5 134 26.5 18.4 144 OLD BATTLE 9920 29.6 23.2 128 33.4 25.7 130 SAGE CREEK BASIN 7850 9.5 8.3 114 11.8 9.0 131 SOUTH BRUSH CREEK 8440 9.8 8.7 113 13.7 12.2 112 TOWER 10500 42.2 34.1 124 -M 28.9 * WEBBER SPRINGS 9250 21.3 18.6 115 26.8 20.2 133 WILLOW CREEK PASS 9540 9.6 8.6 112 10.6 9.4 113 ----- ----- Basin wide percent of average 120 127 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 19.7 17.2 115 16.3 16.0 102 CASPER MTN. 7850 13.4 10.2 131 14.4 10.1 143 DEADMAN HILL 10220 12.2 11.8 103 13.7 12.0 114 DEER PARK 9700 13.4 13.8 97 15.9 16.3 98 LAPRELE CREEK 8375 7.9 8.1 98 8.6 9.1 95 RENO HILL 8500 12.7 9.4 135 14.0 10.5 133 ROACH 9700 11.9 12.6 94 14.8 13.4 110 SAND LAKE 10050 25.5 22.4 114 24.3 17.7 137 SOUTH PASS 9040 13.0 12.6 103 14.0 13.7 102 WINDY PEAK 7900 5.4 5.3 102 7.4 7.8 95 ----- ----- Basin wide percent of average 109 113 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.3 8.8 117 13.1 11.2 117 DIVIDE PEAK 8860 13.9 14.2 98 16.3 15.5 105 OLD BATTLE 9920 29.6 23.2 128 33.4 25.7 130 SANDSTONE RS 8150 12.2 11.2 109 17.5 14.2 123 WHISKEY PARK 8950 29.8 21.3 140 29.6 21.5 138 ----- ----- Basin wide percent of average 122 125 UPPER GREEN RIVER BIG SANDY OPENING 9080 12.0 10.9 110 12.2 10.2 120 BLIND BULL SUM 8900 23.1 20.8 111 17.8 17.4 102 EAST RIM DIVIDE 7930 8.9 9.8 91 9.6 9.2 104 ELKHART PARK G.S. 9400 11.0 10.0 110 11.9 10.0 119 GROS VENTRE SUMMIT 8750 9.7 10.5 92 10.5 9.8 107 KENDALL R.S. 7740 11.8 11.1 106 12.8 11.2 114 LOOMIS PARK 8240 15.3 12.8 120 16.0 13.4 119 NEW FORK LAKE 8340 8.8 8.7 101 8.6 8.8 98 SNIDER BASIN 8060 14.6 11.2 130 14.1 12.5 113 SPRING CREEK DIVIDE 9000 26.1 19.9 131 -M 20.6 * TRIPLE PEAK 8500 24.9 18.8 132 25.4 18.6 137 ----- ----- Basin wide percent of average 115 115 LOWER GREEN RIVER HAMS FORK 7840 12.4 9.7 128 11.6 9.5 122 HEWINTA 9500 9.0 7.9 114 11.9 10.5 113 HICKERSON PARK 9100 2.9 5.1 57 5.3 5.7 93 HOLE-IN-ROCK 9150 5.2 5.0 104 6.1 5.3 115 INDIAN CREEK 9425 25.4 19.9 128 -M 19.1 * KELLEY R.S. 8180 16.7 12.3 136 18.3 15.7 117 STEEL CREEK PARK 10100 12.2 11.0 111 13.5 11.6 116 ----- ----- Basin wide percent of average 118 114 UPPER BEAR RIVER BUG LAKE 7950 20.3 15.2 134 17.6 14.7 120 HAYDEN FORK 9100 16.3 11.5 142 19.3 15.5 125 KELLEY R.S. 8180 16.7 12.3 136 18.3 15.7 117 LILY LAKE 9050 11.6 9.6 121 13.0 13.0 100 MONTE CRISTO 8960 25.8 21.6 119 24.8 19.1 130 SALT RIVER SUMMIT 7600 12.9 10.9 118 15.7 14.3 110 TRIAL LAKE 9960 23.3 18.2 128 22.8 18.3 125 ----- ----- Basin wide percent of average 128 119 ----------------------------------------------------------------------------- -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.