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 9 , 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 13.7 126 21.2 16.0 132 COTTONWOOD CREEK 7600 23.1 15.2 152 25.6 19.9 129 GRANITE CREEK 6770 17.3 13.4 129 19.7 14.8 133 GRASSY LAKE 7265 29.7 24.8 120 33.7 26.7 126 GROS VENTRE SUMMIT 8750 9.4 10.0 94 10.1 9.3 109 LEWIS LAKE DIVIDE 7850 33.0 25.0 132 32.8 26.8 122 PHILLIPS BENCH 8200 25.3 20.0 127 26.4 21.0 126 SALT RIVER SUMMIT 7600 12.7 10.1 126 15.5 13.5 115 SNAKE RIVER STATION 6920 16.9 13.7 123 21.7 16.7 130 SPRING CREEK DIVIDE 9000 25.9 18.7 139 -M 19.5 * THUMB DIVIDE 7980 14.3 12.8 112 15.0 13.6 110 TOGWOTEE PASS 9580 19.4 18.0 108 20.5 17.9 115 TWO OCEAN PLATEAU 9240 28.8 20.2 143 23.2 19.9 117 WILLOW CREEK 8450 27.4 21.6 127 31.5 23.3 135 ----- ----- Basin wide percent of average 127 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 -M 17.3 * -M 14.9 * BLACK BEAR 8170 39.1 27.6 142 -M 28.2 * CANYON 8090 11.7 9.6 122 14.2 11.4 125 FISHER CREEK 9100 31.6 25.4 124 29.9 26.3 114 MADISON PLATEAU 7750 21.2 17.5 121 24.8 18.8 132 NORTHEAST ENTRANCE 7350 7.8 8.3 94 10.1 9.4 107 PARKER PEAK 9400 14.6 15.7 93 13.7 11.8 116 SYLVAN LAKE 8420 13.6 16.1 84 17.6 15.7 112 THUMB DIVIDE 7980 14.3 12.8 112 15.0 13.6 110 TWO OCEAN PLATEAU 9240 28.8 20.2 143 23.2 19.9 117 WHISKEY CREEK 6800 12.6 12.0 105 18.8 14.8 127 WHITE MILL 8700 -M 17.2 * -M 19.6 * WOLVERINE 7650 8.1 9.2 88 7.2 9.8 73 ----- ----- Basin wide percent of average 117 115 WIND RIVER BURROUGHS CREEK 8750 10.9 10.8 101 13.0 12.0 108 COLD SPRINGS 9630 3.6 6.2 58 6.2 7.5 83 DEER PARK 9700 12.8 12.8 100 15.8 15.4 103 HOBBS PARK 10100 7.3 10.3 71 8.0 8.7 92 LITTLE WARM 9370 6.6 8.2 80 9.1 9.6 95 SOUTH PASS 9040 12.4 12.0 103 13.2 13.0 102 ST. LAWRENCE ALT 8620 1.6 5.0 32 4.0 6.1 66 TOGWOTEE PASS 9580 19.4 18.0 108 20.5 17.9 115 TOWNSEND CREEK 8700 4.0 6.0 67 6.6 7.8 85 ----- ----- Basin wide percent of average 88 98 BIGHORN BASIN BALD MTN. 9380 11.0 14.1 78 8.8 12.5 70 BEAR TRAP MEADOW 8200 4.1 3.7 111 5.7 5.8 98 BLACKWATER 9780 17.1 17.6 97 15.5 15.1 103 BONE SPRINGS DIV 9350 9.4 11.2 84 9.5 10.2 93 EVENING STAR 9200 19.6 21.2 92 21.9 18.8 116 GRAVE SPRINGS 8550 6.9 6.2 111 8.8 6.8 129 KIRWIN 9550 7.5 8.0 94 8.2 8.1 101 MARQUETTE 8760 1.3 6.1 21 5.7 6.6 86 MIDDLE POWDER 7760 9.1 7.7 118 7.8 8.7 90 OWL CREEK 8975 1.7 3.6 47 3.9 3.9 100 POWDER RIVER PASS 9480 7.0 7.6 92 8.6 8.8 98 SHELL CREEK 9580 9.5 10.4 91 8.8 9.7 91 SYLVAN LAKE 8420 13.6 16.1 84 17.6 15.7 112 SYLVAN ROAD 7120 8.4 9.6 88 13.2 14.0 94 TIMBER CREEK 7950 .9 3.8 24 3.1 4.8 65 YOUNTS PEAK 8350 -M 12.7 * 14.2 12.0 118 ----- ----- Basin wide percent of average 87 100 SHOSHONE RIVER BLACKWATER 9780 17.1 17.6 97 15.5 15.1 103 EVENING STAR 9200 19.6 21.2 92 21.9 18.8 116 KIRWIN 9550 7.5 8.0 94 8.2 8.1 101 MARQUETTE 8760 1.3 6.1 21 5.7 6.6 86 SYLVAN LAKE 8420 13.6 16.1 84 17.6 15.7 112 SYLVAN ROAD 7120 8.4 9.6 88 13.2 14.0 94 YOUNTS PEAK 8350 -M 12.7 * 14.2 12.0 118 ----- ----- Basin wide percent of average 86 107 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.1 3.7 111 5.7 5.8 98 BIG GOOSE 7990 4.3 6.5 66 6.4 6.0 107 BONE SPRINGS DIV 9350 9.4 11.2 84 9.5 10.2 93 BURGESS JUNCTION 7880 6.7 7.8 86 8.2 8.4 98 CLOUD PEAK RESERVOIR 9860 8.8 8.6 102 8.6 8.7 99 DOME LAKE 8880 7.4 8.4 88 8.0 9.1 88 GRAVE SPRINGS 8550 6.9 6.2 111 8.8 6.8 129 HANSEN SAWMILL 8360 2.3 4.4 52 4.3 5.6 77 MIDDLE POWDER 7760 9.1 7.7 118 7.8 8.7 90 POWDER RIVER PASS 9480 7.0 7.6 92 8.6 8.8 98 SUCKER CREEK 8880 7.2 7.7 94 10.0 9.3 108 TIE CREEK 6870 3.5 4.3 81 7.4 7.1 104 ----- ----- Basin wide percent of average 91 99 BELLE FOURCHE BLIND PARK 6890 5.3 5.6 95 7.7 8.2 94 COLE CANYON 5910 3.6 4.3 84 6.4 -M * NORTH RAPID CREEK 6130 4.7 5.5 85 6.2 6.6 94 ----- ----- Basin wide percent of average 88 94 UPPER N. PLATTE RIVER COLUMBINE 9160 25.5 18.1 141 25.5 17.9 142 DIVIDE PEAK 8860 13.6 13.6 100 16.7 14.6 114 ELK RIVER 8700 16.0 13.3 120 16.9 13.7 123 JOE WRIGHT 10120 17.3 14.8 117 21.2 17.3 123 NORTH FRENCH CREEK 10130 27.1 19.5 139 26.3 17.5 150 OLD BATTLE 9920 -M 21.7 * -M 24.1 * SAGE CREEK BASIN 7850 9.1 7.9 115 11.8 8.5 139 SOUTH BRUSH CREEK 8440 9.7 8.1 120 13.6 11.6 117 TOWER 10500 42.0 32.2 130 -M 27.3 * WEBBER SPRINGS 9250 21.1 17.4 121 26.5 19.2 138 WILLOW CREEK PASS 9540 8.6 8.1 106 10.4 8.9 117 ----- ----- Basin wide percent of average 124 131 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 19.2 16.3 118 16.1 15.2 106 CASPER MTN. 7850 12.0 9.6 125 13.5 9.5 142 DEADMAN HILL 10220 11.9 11.2 106 13.3 11.4 117 DEER PARK 9700 12.8 12.8 100 15.8 15.4 103 LAPRELE CREEK 8375 6.9 7.7 90 7.7 8.6 90 RENO HILL 8500 11.4 8.9 128 13.0 9.9 131 ROACH 9700 11.7 11.9 98 14.8 12.6 117 SAND LAKE 10050 24.9 21.2 117 23.8 16.9 141 SOUTH PASS 9040 12.4 12.0 103 13.2 13.0 102 WINDY PEAK 7900 4.3 5.0 86 6.2 7.4 84 ----- ----- Basin wide percent of average 109 115 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 11.0 8.3 133 12.9 10.6 122 DIVIDE PEAK 8860 13.6 13.6 100 16.7 14.6 114 OLD BATTLE 9920 -M 21.7 * -M 24.1 * SANDSTONE RS 8150 12.0 10.5 114 17.3 13.4 129 WHISKEY PARK 8950 29.0 20.0 145 29.2 20.5 142 ----- ----- Basin wide percent of average 125 129 UPPER GREEN RIVER BIG SANDY OPENING 9080 11.8 10.2 116 12.2 9.7 126 BLIND BULL SUM 8900 22.5 19.7 114 17.4 16.5 105 EAST RIM DIVIDE 7930 8.6 9.2 93 9.3 8.7 107 ELKHART PARK G.S. 9400 10.8 9.4 115 11.5 9.5 121 GROS VENTRE SUMMIT 8750 9.4 10.0 94 10.1 9.3 109 KENDALL R.S. 7740 11.4 10.5 109 12.3 10.5 117 LOOMIS PARK 8240 14.9 12.1 123 15.5 12.7 122 NEW FORK LAKE 8340 8.3 8.2 101 8.3 8.4 99 SNIDER BASIN 8060 14.4 10.5 137 14.0 11.8 119 SPRING CREEK DIVIDE 9000 25.9 18.7 139 -M 19.5 * TRIPLE PEAK 8500 24.6 17.7 139 25.2 17.5 144 ----- ----- Basin wide percent of average 119 118 LOWER GREEN RIVER HAMS FORK 7840 12.2 9.1 134 11.1 9.0 123 HEWINTA 9500 8.8 7.3 121 11.7 10.0 117 HICKERSON PARK 9100 2.9 4.8 60 5.2 5.5 95 HOLE-IN-ROCK 9150 5.5 4.6 120 6.0 5.1 118 INDIAN CREEK 9425 24.8 18.8 132 -M 18.0 * KELLEY R.S. 8180 16.4 11.6 141 17.9 14.8 121 STEEL CREEK PARK 10100 11.8 10.3 115 13.4 10.9 123 ----- ----- Basin wide percent of average 124 118 UPPER BEAR RIVER BUG LAKE 7950 19.5 14.3 136 17.5 13.8 127 HAYDEN FORK 9100 16.1 10.7 150 19.4 14.6 133 KELLEY R.S. 8180 16.4 11.6 141 17.9 14.8 121 LILY LAKE 9050 11.4 8.9 128 12.7 12.3 103 MONTE CRISTO 8960 25.0 20.0 125 24.9 18.0 138 SALT RIVER SUMMIT 7600 12.7 10.1 126 15.5 13.5 115 TRIAL LAKE 9960 23.1 17.0 136 22.6 17.1 132 ----- ----- Basin wide percent of average 134 125 ----------------------------------------------------------------------------- -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.