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: NOVEMBER 17 , 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 2.3 126 6.5 4.2 155 COTTONWOOD CREEK 7600 2.7 2.7 100 5.9 5.7 104 GRANITE CREEK 6770 2.6 1.8 144* 4.7 3.7 127 GRASSY LAKE 7265 5.5 4.4 125 9.9 6.8 146 GROS VENTRE SUMMIT 8750 3.1 2.6 119 4.4 3.2 138 LEWIS LAKE DIVIDE 7850 7.1 4.3 165 10.7 6.8 157 PHILLIPS BENCH 8200 4.7 3.8 124 6.9 5.1 135 SALT RIVER SUMMIT 7600 1.4 1.4 100* 3.4 3.6 94 SNAKE RIVER STATION 6920 2.8 2.2 127 7.0 4.5 156 SPRING CREEK DIVIDE 9000 4.2 4.0 105 5.1 5.2 98 THUMB DIVIDE 7980 3.9 2.3 170 6.3 3.9 162 TOGWOTEE PASS 9580 6.4 4.9 131 6.8 5.2 131 TWO OCEAN PLATEAU 9240 11.3 5.8 195 9.5 5.9 161 WILLOW CREEK 8450 3.6 4.7 77 7.9 6.8 116 ----- ----- Basin wide percent of average 132 135 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 6.8 5.0 136 5.5 4.2 131 BLACK BEAR 8170 10.3 6.0 172 11.8 7.3 162 CANYON 8090 3.4 1.9 179 5.6 3.4 165 FISHER CREEK 9100 10.8 5.8 186 10.7 6.8 157 MADISON PLATEAU 7750 5.2 3.6 144 8.5 5.1 167 NORTHEAST ENTRANCE 7350 1.2 1.3 92 3.6 2.9 124 PARKER PEAK 9400 4.4 4.7 94 5.2 4.1 127 SYLVAN LAKE 8420 3.7 4.2 88 6.9 5.0 138 THUMB DIVIDE 7980 3.9 2.3 170 6.3 3.9 162 TWO OCEAN PLATEAU 9240 11.3 5.8 195 9.5 5.9 161 WHISKEY CREEK 6800 2.7 2.1 129 6.5 4.2 155 WHITE MILL 8700 5.7 4.2 136 6.3 5.4 117 WOLVERINE 7650 1.3 1.7 76 2.6 3.3 79 ----- ----- Basin wide percent of average 145 145 WIND RIVER BURROUGHS CREEK 8750 2.8 2.4 117 4.9 3.4 144 COLD SPRINGS 9630 1.4 2.2 64 3.6 3.2 112 DEER PARK 9700 2.6 3.8 68 4.0 5.0 80 HOBBS PARK 10100 2.4 3.9 62 4.0 3.5 114 LITTLE WARM 9370 2.4 2.4 100 4.2 3.3 127 SOUTH PASS 9040 2.3 3.3 70 3.8 4.2 90 ST. LAWRENCE ALT 8620 .4 1.9 21 2.5 2.7 93 TOGWOTEE PASS 9580 6.4 4.9 131 6.8 5.2 131 TOWNSEND CREEK 8700 1.2 2.1 57 3.9 3.4 115 ----- ----- Basin wide percent of average 81 111 BIGHORN BASIN BALD MTN. 9380 3.1 4.7 66 2.9 4.0 72 BEAR TRAP MEADOW 8200 .4 1.2 33 2.7 2.7 100 BLACKWATER 9780 6.8 5.4 126 5.9 5.1 116 BONE SPRINGS DIV 9350 3.7 4.2 88 3.8 3.8 100 EVENING STAR 9200 5.7 5.6 102 8.0 5.7 140 GRAVE SPRINGS 8550 .5 2.1 24 3.2 2.9 110 KIRWIN 9550 4.3 3.1 139 4.6 3.1 148 MARQUETTE 8760 -M 2.9 * -M 3.3 * MIDDLE POWDER 7760 1.2 2.6 46 3.2 3.9 82 OWL CREEK 8975 .5 1.6 31 2.5 1.7 147 POWDER RIVER PASS 9480 1.4 2.4 58 3.2 3.1 103 SHELL CREEK 9580 3.0 4.0 75 3.2 3.4 94 SYLVAN LAKE 8420 3.7 4.2 88 6.9 5.0 138 SYLVAN ROAD 7120 -M 1.9 * -M 4.5 * TIMBER CREEK 7950 .5 2.0 25 2.6 2.4 108 YOUNTS PEAK 8350 4.4 3.0 147 7.1 3.7 192 ----- ----- Basin wide percent of average 85 118 SHOSHONE RIVER BLACKWATER 9780 6.8 5.4 126 5.9 5.1 116 EVENING STAR 9200 5.7 5.6 102 8.0 5.7 140 KIRWIN 9550 4.3 3.1 139 4.6 3.1 148 MARQUETTE 8760 -M 2.9 * -M 3.3 * SYLVAN LAKE 8420 3.7 4.2 88 6.9 5.0 138 SYLVAN ROAD 7120 -M 1.9 * -M 4.5 * YOUNTS PEAK 8350 4.4 3.0 147 7.1 3.7 192 ----- ----- Basin wide percent of average 117 144 POWDER-TONGUE BEAR TRAP MEADOW 8200 .4 1.2 33 2.7 2.7 100 BIG GOOSE 7990 .8 1.6 50 3.0 2.6 115 BONE SPRINGS DIV 9350 3.7 4.2 88 3.8 3.8 100 BURGESS JUNCTION 7880 1.9 2.8 68 3.6 3.3 109 CLOUD PEAK RESERVOIR 9860 2.6 2.8 93 4.1 3.9 105 DOME LAKE 8880 2.5 3.3 76 3.6 3.8 95 GRAVE SPRINGS 8550 .5 2.1 24 3.2 2.9 110 HANSEN SAWMILL 8360 .7 1.4 50 2.6 2.6 100 MIDDLE POWDER 7760 1.2 2.6 46 3.2 3.9 82 POWDER RIVER PASS 9480 1.4 2.4 58 3.2 3.1 103 SUCKER CREEK 8880 1.4 2.5 56 3.7 3.6 103 TIE CREEK 6870 .7 1.2 58 3.7 3.2 116 ----- ----- Basin wide percent of average 63 103 BELLE FOURCHE BLIND PARK 6890 .6 1.6 37 2.2 3.7 59 COLE CANYON 5910 .2 1.5 13 2.3 -M * NORTH RAPID CREEK 6130 1.0 1.1 91 2.0 3.2 62 ----- ----- Basin wide percent of average 43 61 UPPER N. PLATTE RIVER COLUMBINE 9160 4.3 2.9 148 8.1 4.6 176 DIVIDE PEAK 8860 2.0 3.4 59 5.9 4.6 128 ELK RIVER 8700 1.5 1.8 83* 5.0 3.8 132 JOE WRIGHT 10120 5.0 4.7 106 7.5 5.7 132 NORTH FRENCH CREEK 10130 6.2 5.6 111 7.6 5.6 136 OLD BATTLE 9920 6.6 6.1 108 8.9 6.7 133 SAGE CREEK BASIN 7850 1.2 2.0 60 4.0 2.7 148 SOUTH BRUSH CREEK 8440 1.8 1.8 100 4.8 4.0 120 TOWER 10500 7.9 8.3 95 11.2 7.6 147 WEBBER SPRINGS 9250 3.9 4.3 91 8.4 5.7 147 WILLOW CREEK PASS 9540 2.4 2.5 96 4.5 3.3 136 ----- ----- Basin wide percent of average 99 140 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 4.6 4.1 112 3.8 4.5 84 CASPER MTN. 7850 .8 3.3 24 4.3 4.0 108 DEADMAN HILL 10220 4.1 3.8 108 5.8 4.0 145 DEER PARK 9700 2.6 3.8 68 4.0 5.0 80 LAPRELE CREEK 8375 .6 2.1 29 2.2 3.2 69 RENO HILL 8500 1.8 3.1 58 3.7 3.9 95 ROACH 9700 3.3 2.8 118 5.7 3.9 146 SAND LAKE 10050 7.6 6.4 119 8.0 5.3 151 SOUTH PASS 9040 2.3 3.3 70 3.8 4.2 90 WINDY PEAK 7900 .7 1.5 47 2.4 2.8 86 ----- ----- Basin wide percent of average 83 107 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.2 1.2 100 4.6 3.3 139 DIVIDE PEAK 8860 2.0 3.4 59 5.9 4.6 128 OLD BATTLE 9920 6.6 6.1 108 8.9 6.7 133 SANDSTONE RS 8150 1.3 1.4 93* 5.2 4.1 127 WHISKEY PARK 8950 3.2 4.0 80 6.6 5.6 118 ----- ----- Basin wide percent of average 89 128 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.8 2.6 69 3.0 3.2 94 BLIND BULL SUM 8900 4.4 4.3 102 4.3 4.5 96 EAST RIM DIVIDE 7930 1.4 1.9 74 2.4 2.5 96 ELKHART PARK G.S. 9400 2.1 2.2 95 3.1 3.3 94 GROS VENTRE SUMMIT 8750 3.1 2.6 119 4.4 3.2 138 KENDALL R.S. 7740 1.9 1.9 100 3.5 2.9 121 LOOMIS PARK 8240 2.7 2.6 104 3.6 3.5 103 NEW FORK LAKE 8340 1.5 1.7 88 2.3 2.8 82 SNIDER BASIN 8060 2.5 2.1 119 3.1 3.2 97 SPRING CREEK DIVIDE 9000 4.2 4.0 105 5.1 5.2 98 TRIPLE PEAK 8500 4.4 3.7 119 6.0 4.5 133 ----- ----- Basin wide percent of average 101 105 LOWER GREEN RIVER HAMS FORK 7840 1.1 1.4 79 2.5 2.6 96 HEWINTA 9500 1.4 1.5 93 3.8 3.8 100 HICKERSON PARK 9100 .0 1.0 0 2.1 2.5 84 HOLE-IN-ROCK 9150 .8 1.1 73 2.6 2.4 108 INDIAN CREEK 9425 4.5 4.1 110 4.8 5.0 96 KELLEY R.S. 8180 2.1 2.5 84 3.7 4.1 90 STEEL CREEK PARK 10100 2.3 2.9 79 4.0 3.9 103 ----- ----- Basin wide percent of average 84 97 UPPER BEAR RIVER BUG LAKE 7950 1.9 2.6 73 3.5 4.2 83 HAYDEN FORK 9100 2.2 2.0 110 4.4 4.4 100 KELLEY R.S. 8180 2.1 2.5 84 3.7 4.1 90 LILY LAKE 9050 1.8 1.9 95 3.0 4.2 71 MONTE CRISTO 8960 3.3 3.3 100 5.1 5.2 98 SALT RIVER SUMMIT 7600 1.4 1.4 100* 3.4 3.6 94 TRIAL LAKE 9960 3.8 3.8 100 4.7 4.9 96 ----- ----- Basin wide percent of average 94 91 ----------------------------------------------------------------------------- -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.