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 TUESDAY: NOVEMBER 14 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.5 1.9 79 5.0 3.8 132 COTTONWOOD CREEK 7600 3.4 2.3 148* 6.1 5.2 117 GRANITE CREEK 6770 1.3 1.5 87* 4.4 3.4 129 GRASSY LAKE 7265 3.6 3.7 97 10.5 6.1 172 GROS VENTRE SUMMIT 8750 2.8 2.3 122 4.1 2.9 141 LEWIS LAKE DIVIDE 7850 3.5 3.6 97* 9.3 6.2 150 PHILLIPS BENCH 8200 2.5 3.3 76 6.9 4.6 150 SALT RIVER SUMMIT 7600 1.2 1.1 109* 3.7 3.3 112 SNAKE RIVER STATION 6920 1.8 1.8 100* 8.0 4.1 195 SPRING CREEK DIVIDE 9000 -M 3.5 * -M 4.7 * THUMB DIVIDE 7980 1.6 2.0 80 4.2 3.5 120 TOGWOTEE PASS 9580 4.5 4.5 100 5.7 4.8 119 TWO OCEAN PLATEAU 9240 4.6 5.2 88 5.8 5.4 107 WILLOW CREEK 8450 4.0 4.1 98 7.5 6.2 121 ----- ----- Basin wide percent of average 97 136 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.7 4.6 80 4.1 3.8 108 BLACK BEAR 8170 6.4 5.3 121 10.2 6.6 155 CANYON 8090 1.8 1.6 112 4.7 3.2 147 FISHER CREEK 9100 6.2 5.1 122 8.9 6.2 144 MADISON PLATEAU 7750 2.9 3.2 91 6.5 4.6 141 NORTHEAST ENTRANCE 7350 .4 1.0 40* 4.9 2.6 188 PARKER PEAK 9400 3.8 4.3 88 5.4 3.7 146 SYLVAN LAKE 8420 2.5 3.8 66 6.9 4.6 150 THUMB DIVIDE 7980 1.6 2.0 80 4.2 3.5 120 TWO OCEAN PLATEAU 9240 4.6 5.2 88 5.8 5.4 107 WHISKEY CREEK 6800 1.8 1.8 100 5.3 3.9 136 WHITE MILL 8700 3.6 3.8 95 6.5 4.9 133 WOLVERINE 7650 .9 1.4 64 3.3 3.0 110 ----- ----- Basin wide percent of average 93 137 WIND RIVER BURROUGHS CREEK 8750 1.8 2.1 86 3.8 3.1 123 COLD SPRINGS 9630 .9 2.0 45 2.1 3.0 70 DEER PARK 9700 2.2 3.6 61 4.1 4.5 91 HOBBS PARK 10100 2.3 3.6 64 2.7 3.2 84 LITTLE WARM 9370 1.4 2.1 67 2.4 3.0 80 SOUTH PASS 9040 2.4 3.0 80 4.0 3.8 105 ST. LAWRENCE ALT 8620 1.1 1.7 65 2.3 2.5 92 TOGWOTEE PASS 9580 4.5 4.5 100 5.7 4.8 119 TOWNSEND CREEK 8700 1.3 1.9 68 3.5 3.2 109 ----- ----- Basin wide percent of average 73 98 BIGHORN BASIN BALD MTN. 9380 5.8 4.4 132 4.6 3.7 124 BEAR TRAP MEADOW 8200 1.4 1.1 127 2.2 2.5 88 BLACKWATER 9780 4.4 5.0 88 4.8 4.7 102 BONE SPRINGS DIV 9350 5.5 4.0 138 4.4 3.6 122 EVENING STAR 9200 3.7 5.0 74 -M 5.2 * GRAVE SPRINGS 8550 1.8 1.9 95 2.2 2.8 79 KIRWIN 9550 2.1 2.9 72 3.2 2.9 110 MARQUETTE 8760 .2 2.7 7 2.7 3.1 87 MIDDLE POWDER 7760 2.5 2.4 104 3.2 3.7 86 OWL CREEK 8975 1.8 1.5 120 2.5 1.6 156 POWDER RIVER PASS 9480 2.6 2.2 118 3.2 2.9 110 SHELL CREEK 9580 5.6 3.8 147 3.7 3.1 119 SYLVAN LAKE 8420 2.5 3.8 66 6.9 4.6 150 SYLVAN ROAD 7120 .4 1.6 25 4.9 4.1 120 TIMBER CREEK 7950 .3 1.8 17 2.6 2.3 113 YOUNTS PEAK 8350 1.3 2.7 48 4.5 3.3 136 ----- ----- Basin wide percent of average 90 114 SHOSHONE RIVER BLACKWATER 9780 4.4 5.0 88 4.8 4.7 102 EVENING STAR 9200 3.7 5.0 74 -M 5.2 * KIRWIN 9550 2.1 2.9 72 3.2 2.9 110 MARQUETTE 8760 .2 2.7 7 2.7 3.1 87 SYLVAN LAKE 8420 2.5 3.8 66 6.9 4.6 150 SYLVAN ROAD 7120 .4 1.6 25 4.9 4.1 120 YOUNTS PEAK 8350 1.3 2.7 48 4.5 3.3 136 ----- ----- Basin wide percent of average 62 119 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.4 1.1 127 2.2 2.5 88 BIG GOOSE 7990 1.1 1.5 73 2.6 2.5 104 BONE SPRINGS DIV 9350 5.5 4.0 138 4.4 3.6 122 BURGESS JUNCTION 7880 2.0 2.6 77 3.9 3.1 126 CLOUD PEAK RESERVOIR 9860 2.5 2.6 96 2.7 3.7 73 DOME LAKE 8880 2.2 3.1 71 3.3 3.6 92 GRAVE SPRINGS 8550 1.8 1.9 95 2.2 2.8 79 HANSEN SAWMILL 8360 .3 1.3 23 1.5 2.5 60 MIDDLE POWDER 7760 2.5 2.4 104 3.2 3.7 86 POWDER RIVER PASS 9480 2.6 2.2 118 3.2 2.9 110 SUCKER CREEK 8880 3.2 2.3 139 3.9 3.4 115 TIE CREEK 6870 .5 1.2 42 3.7 3.1 119 ----- ----- Basin wide percent of average 98 98 BELLE FOURCHE BLIND PARK 6890 .7 1.4 50 2.7 3.5 77 COLE CANYON 5910 1.4 1.4 100 3.0 -M * NORTH RAPID CREEK 6130 .6 1.0 60 2.3 3.1 74 ----- ----- Basin wide percent of average 71 76 UPPER N. PLATTE RIVER COLUMBINE 9160 2.5 2.5 100* 5.2 4.2 124 DIVIDE PEAK 8860 3.9 3.1 126 6.3 4.3 147 ELK RIVER 8700 1.2 1.5 80* 4.7 3.6 131 JOE WRIGHT 10120 4.2 4.4 95 6.0 5.3 113 NORTH FRENCH CREEK 10130 4.5 5.2 87 5.6 5.2 108 OLD BATTLE 9920 5.5 5.5 100 7.4 6.1 121 SAGE CREEK BASIN 7850 3.1 1.8 172 4.7 2.5 188 SOUTH BRUSH CREEK 8440 1.5 1.6 94 3.3 3.8 87 TOWER 10500 6.7 7.4 91 8.6 6.9 125 WEBBER SPRINGS 9250 3.5 3.9 90 6.5 5.2 125 WILLOW CREEK PASS 9540 3.2 2.3 139 3.1 3.1 100 ----- ----- Basin wide percent of average 102 122 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 3.2 3.7 86 4.3 4.2 102 CASPER MTN. 7850 1.9 3.0 63 3.0 3.7 81 DEADMAN HILL 10220 2.9 3.5 83 3.8 3.8 100 DEER PARK 9700 2.2 3.6 61 4.1 4.5 91 LAPRELE CREEK 8375 1.3 1.9 68 2.1 3.0 70 RENO HILL 8500 2.6 2.8 93 3.6 3.7 97 ROACH 9700 3.7 2.5 148 5.1 3.6 142 SAND LAKE 10050 4.8 5.8 83 5.3 4.9 108 SOUTH PASS 9040 2.4 3.0 80 4.0 3.8 105 WINDY PEAK 7900 .5 1.3 38 1.8 2.6 69 ----- ----- Basin wide percent of average 82 98 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .6 1.1 55* 3.8 3.0 127 DIVIDE PEAK 8860 3.9 3.1 126 6.3 4.3 147 OLD BATTLE 9920 5.5 5.5 100 7.4 6.1 121 SANDSTONE RS 8150 .9 1.2 75* 4.0 3.7 108 WHISKEY PARK 8950 3.1 3.6 86 5.9 5.1 116 ----- ----- Basin wide percent of average 97 123 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.6 2.3 113 3.4 2.9 117 BLIND BULL SUM 8900 4.0 3.7 108 4.6 4.1 112 EAST RIM DIVIDE 7930 .9 1.6 56 2.8 2.3 122 ELKHART PARK G.S. 9400 1.3 1.9 68 3.3 3.0 110 GROS VENTRE SUMMIT 8750 2.8 2.3 122 4.1 2.9 141 KENDALL R.S. 7740 1.1 1.6 69 3.3 2.7 122 LOOMIS PARK 8240 1.5 2.2 68 4.0 3.2 125 NEW FORK LAKE 8340 1.3 1.4 93 3.5 2.6 135 SNIDER BASIN 8060 1.8 1.8 100 3.6 2.9 124 SPRING CREEK DIVIDE 9000 -M 3.5 * -M 4.7 * TRIPLE PEAK 8500 3.5 3.2 109 6.0 4.1 146 ----- ----- Basin wide percent of average 95 126 LOWER GREEN RIVER HAMS FORK 7840 1.3 1.1 118* 3.1 2.4 129 HEWINTA 9500 .0 1.4 0 4.1 3.5 117 HICKERSON PARK 9100 .1 .9 11 3.6 2.4 150 HOLE-IN-ROCK 9150 1.1 1.0 110 2.9 2.3 126 INDIAN CREEK 9425 3.6 3.5 103 4.5 4.6 98 KELLEY R.S. 8180 2.2 2.2 100 3.9 3.7 105 STEEL CREEK PARK 10100 2.8 2.6 108 4.0 3.6 111 ----- ----- Basin wide percent of average 87 116 UPPER BEAR RIVER BUG LAKE 7950 2.6 2.3 113 4.5 3.8 118 HAYDEN FORK 9100 1.1 1.7 65 5.9 4.1 144 KELLEY R.S. 8180 2.2 2.2 100 3.9 3.7 105 LILY LAKE 9050 1.6 1.7 94 4.5 3.9 115 MONTE CRISTO 8960 4.4 2.9 152* 6.7 4.8 140 SALT RIVER SUMMIT 7600 1.2 1.1 109* 3.7 3.3 112 TRIAL LAKE 9960 2.4 3.4 71 5.5 4.5 122 ----- ----- Basin wide percent of average 101 123 ----------------------------------------------------------------------------- -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.