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: FEBRUARY 4 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 16.9 13.1 129 20.9 15.3 137 COTTONWOOD CREEK 7600 22.1 14.6 151 24.8 19.2 129 GRANITE CREEK 6770 17.0 12.8 133 19.4 14.1 138 GRASSY LAKE 7265 29.1 23.7 123 33.1 25.6 129 GROS VENTRE SUMMIT 8750 9.1 9.7 94 10.2 8.9 115 LEWIS LAKE DIVIDE 7850 32.3 23.8 136 -M 25.6 * PHILLIPS BENCH 8200 24.8 19.1 130 25.7 20.0 128 SALT RIVER SUMMIT 7600 12.6 9.5 133 15.2 12.9 118 SNAKE RIVER STATION 6920 16.5 13.0 127 21.3 16.0 133 SPRING CREEK DIVIDE 9000 25.2 17.9 141 -M 18.8 * THUMB DIVIDE 7980 14.0 12.2 115 14.7 13.1 112 TOGWOTEE PASS 9580 19.0 17.3 110 20.0 17.2 116 TWO OCEAN PLATEAU 9240 28.2 19.4 145 22.3 19.0 117 WILLOW CREEK 8450 26.3 20.7 127 30.6 22.4 137 ----- ----- Basin wide percent of average 129 127 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 17.2 16.6 104 15.0 14.3 105 BLACK BEAR 8170 38.4 26.4 145 -M 26.9 * CANYON 8090 11.4 9.2 124 13.9 11.0 126 FISHER CREEK 9100 30.8 24.4 126 -M 25.2 * MADISON PLATEAU 7750 20.7 16.7 124 24.5 18.0 136 NORTHEAST ENTRANCE 7350 7.7 7.9 97 10.0 9.1 110 PARKER PEAK 9400 14.3 15.1 95 13.2 11.4 116 SYLVAN LAKE 8420 13.2 15.5 85 17.2 15.1 114 THUMB DIVIDE 7980 14.0 12.2 115 14.7 13.1 112 TWO OCEAN PLATEAU 9240 28.2 19.4 145 22.3 19.0 117 WHISKEY CREEK 6800 12.3 11.4 108 18.3 14.2 129 WHITE MILL 8700 19.6 16.5 119 18.3 18.8 97 WOLVERINE 7650 8.1 8.8 92 7.0 9.4 74 ----- ----- Basin wide percent of average 118 114 WIND RIVER BURROUGHS CREEK 8750 10.4 10.4 100 12.5 11.6 108 COLD SPRINGS 9630 3.5 6.1 57 6.1 7.2 85 DEER PARK 9700 12.5 12.1 103 15.6 14.9 105 HOBBS PARK 10100 7.1 10.0 71 7.7 8.4 92 LITTLE WARM 9370 6.4 8.0 80 8.8 9.3 95 SOUTH PASS 9040 11.9 11.6 103 13.0 12.5 104 ST. LAWRENCE ALT 8620 -M 4.9 * -M 5.8 * TOGWOTEE PASS 9580 19.0 17.3 110 20.0 17.2 116 TOWNSEND CREEK 8700 3.6 5.8 62 6.5 7.5 87 ----- ----- Basin wide percent of average 92 102 BIGHORN BASIN BALD MTN. 9380 10.9 13.7 80 8.6 12.0 72 BEAR TRAP MEADOW 8200 3.8 3.6 106 5.7 5.6 102 BLACKWATER 9780 16.6 17.0 98 15.1 14.5 104 BONE SPRINGS DIV 9350 9.3 10.8 86 9.0 9.8 92 EVENING STAR 9200 19.3 20.3 95 21.4 18.1 118 GRAVE SPRINGS 8550 6.2 5.9 105 8.3 6.6 126 KIRWIN 9550 7.4 7.8 95 7.9 7.8 101 MARQUETTE 8760 1.2 6.0 20 5.5 6.3 87 MIDDLE POWDER 7760 8.6 7.4 116 7.4 8.4 88 OWL CREEK 8975 1.5 3.5 43 3.5 3.8 92 POWDER RIVER PASS 9480 6.8 7.4 92 8.3 8.5 98 SHELL CREEK 9580 9.2 10.1 91 8.7 9.5 92 SYLVAN LAKE 8420 13.2 15.5 85 17.2 15.1 114 SYLVAN ROAD 7120 8.3 9.1 91 13.0 13.5 96 TIMBER CREEK 7950 .7 3.7 19 3.3 4.6 72 YOUNTS PEAK 8350 -M 12.3 * 13.7 11.6 118 ----- ----- Basin wide percent of average 87 101 SHOSHONE RIVER BLACKWATER 9780 16.6 17.0 98 15.1 14.5 104 EVENING STAR 9200 19.3 20.3 95 21.4 18.1 118 KIRWIN 9550 7.4 7.8 95 7.9 7.8 101 MARQUETTE 8760 1.2 6.0 20 5.5 6.3 87 SYLVAN LAKE 8420 13.2 15.5 85 17.2 15.1 114 SYLVAN ROAD 7120 8.3 9.1 91 13.0 13.5 96 YOUNTS PEAK 8350 -M 12.3 * 13.7 11.6 118 ----- ----- Basin wide percent of average 87 108 POWDER-TONGUE BEAR TRAP MEADOW 8200 3.8 3.6 106 5.7 5.6 102 BIG GOOSE 7990 3.9 6.2 63 6.0 5.8 103 BONE SPRINGS DIV 9350 9.3 10.8 86 9.0 9.8 92 BURGESS JUNCTION 7880 6.4 7.5 85 7.7 8.1 95 CLOUD PEAK RESERVOIR 9860 8.3 8.3 100 7.9 8.4 94 DOME LAKE 8880 7.0 8.1 86 7.8 8.9 88 GRAVE SPRINGS 8550 6.2 5.9 105 8.3 6.6 126 HANSEN SAWMILL 8360 2.3 4.3 53 4.2 5.4 78 MIDDLE POWDER 7760 8.6 7.4 116 7.4 8.4 88 POWDER RIVER PASS 9480 6.8 7.4 92 8.3 8.5 98 SUCKER CREEK 8880 7.0 7.4 95 9.6 9.0 107 TIE CREEK 6870 3.3 4.1 80 7.3 6.9 106 ----- ----- Basin wide percent of average 90 98 BELLE FOURCHE BLIND PARK 6890 4.9 5.4 91 7.3 8.0 91 COLE CANYON 5910 3.0 4.1 73 5.9 -M * NORTH RAPID CREEK 6130 3.7 5.2 71 5.4 6.4 84 ----- ----- Basin wide percent of average 79 88 UPPER N. PLATTE RIVER COLUMBINE 9160 24.4 17.1 143 25.4 17.1 149 DIVIDE PEAK 8860 13.1 13.2 99 16.2 14.1 115 ELK RIVER 8700 15.5 12.6 123 16.4 13.1 125 JOE WRIGHT 10120 16.8 14.2 118 19.6 16.6 118 NORTH FRENCH CREEK 10130 25.6 18.8 136 25.2 16.8 150 OLD BATTLE 9920 28.5 20.6 138 32.3 23.1 140 SAGE CREEK BASIN 7850 8.8 7.6 116 11.5 8.1 142 SOUTH BRUSH CREEK 8440 9.2 7.7 119 12.9 11.2 115 TOWER 10500 40.5 30.9 131 30.0 26.1 115 WEBBER SPRINGS 9250 -M 16.6 * -M 18.4 * WILLOW CREEK PASS 9540 8.8 7.7 114 10.3 8.5 121 ----- ----- Basin wide percent of average 127 129 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 18.4 15.7 117 15.4 14.6 105 CASPER MTN. 7850 10.7 9.2 116 12.7 9.1 140 DEADMAN HILL 10220 11.6 10.8 107 13.0 10.9 119 DEER PARK 9700 12.5 12.1 103 15.6 14.9 105 LAPRELE CREEK 8375 6.3 7.5 84 7.2 8.3 87 RENO HILL 8500 10.4 8.6 121 12.0 9.5 126 ROACH 9700 11.4 11.3 101 14.2 12.0 118 SAND LAKE 10050 23.8 20.4 117 22.8 16.3 140 SOUTH PASS 9040 11.9 11.6 103 13.0 12.5 104 WINDY PEAK 7900 3.6 4.7 77 5.8 7.2 81 ----- ----- Basin wide percent of average 108 114 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.7 8.0 134 12.7 10.2 125 DIVIDE PEAK 8860 13.1 13.2 99 16.2 14.1 115 OLD BATTLE 9920 28.5 20.6 138 32.3 23.1 140 SANDSTONE RS 8150 11.6 10.0 116 17.0 12.8 133 WHISKEY PARK 8950 27.7 19.1 145 27.8 19.8 140 ----- ----- Basin wide percent of average 129 132 UPPER GREEN RIVER BIG SANDY OPENING 9080 11.5 9.8 117 11.8 9.2 128 BLIND BULL SUM 8900 21.9 18.9 116 17.1 15.8 108 EAST RIM DIVIDE 7930 8.5 8.8 97 9.1 8.3 110 ELKHART PARK G.S. 9400 10.4 9.0 116 11.2 9.1 123 GROS VENTRE SUMMIT 8750 9.1 9.7 94 10.2 8.9 115 KENDALL R.S. 7740 11.2 10.1 111 12.2 10.0 122 LOOMIS PARK 8240 14.6 11.5 127 15.3 12.1 126 NEW FORK LAKE 8340 8.1 7.9 103 8.0 8.1 99 SNIDER BASIN 8060 14.0 10.1 139 13.6 11.4 119 SPRING CREEK DIVIDE 9000 25.2 17.9 141 -M 18.8 * TRIPLE PEAK 8500 24.0 17.0 141 24.7 16.7 148 ----- ----- Basin wide percent of average 121 122 LOWER GREEN RIVER HAMS FORK 7840 11.8 8.7 136 10.8 8.6 126 HEWINTA 9500 8.4 6.9 122 11.3 9.5 119 HICKERSON PARK 9100 2.8 4.5 62 4.9 5.3 92 HOLE-IN-ROCK 9150 5.3 4.3 123 5.8 4.9 118 INDIAN CREEK 9425 24.1 18.1 133 19.0 17.3 110 KELLEY R.S. 8180 16.2 11.0 147 17.7 14.3 124 STEEL CREEK PARK 10100 11.5 9.7 119 13.0 10.4 125 ----- ----- Basin wide percent of average 127 117 UPPER BEAR RIVER BUG LAKE 7950 19.0 13.6 140 17.1 13.3 129 HAYDEN FORK 9100 15.6 10.1 154 18.7 14.0 134 KELLEY R.S. 8180 16.2 11.0 147 17.7 14.3 124 LILY LAKE 9050 11.0 8.5 129 12.3 11.8 104 MONTE CRISTO 8960 24.3 18.9 129 22.6 17.2 131 SALT RIVER SUMMIT 7600 12.6 9.5 133 15.2 12.9 118 TRIAL LAKE 9960 22.7 16.2 140 22.3 16.3 137 ----- ----- Basin wide percent of average 138 126 ----------------------------------------------------------------------------- -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.