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 WEDNESDAY: NOVEMBER 15 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.6 2.0 80 5.2 4.0 130 COTTONWOOD CREEK 7600 4.2 2.4 175* 6.9 5.4 128 GRANITE CREEK 6770 1.6 1.6 100* 4.7 3.5 134 GRASSY LAKE 7265 3.6 3.9 92 10.4 6.3 165 GROS VENTRE SUMMIT 8750 2.9 2.4 121 4.5 3.0 150 LEWIS LAKE DIVIDE 7850 3.9 3.8 103 9.4 6.4 147 PHILLIPS BENCH 8200 2.8 3.4 82 7.2 4.8 150 SALT RIVER SUMMIT 7600 2.1 1.2 175* 4.5 3.4 132 SNAKE RIVER STATION 6920 1.8 1.9 95* 8.1 4.2 193 SPRING CREEK DIVIDE 9000 -M 3.6 * -M 4.8 * THUMB DIVIDE 7980 1.6 2.1 76 4.3 3.6 119 TOGWOTEE PASS 9580 4.8 4.6 104 5.9 5.0 118 TWO OCEAN PLATEAU 9240 4.8 5.4 89 6.2 5.5 113 WILLOW CREEK 8450 5.0 4.3 116 8.5 6.4 133 ----- ----- Basin wide percent of average 104 140 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.6 4.7 77 4.2 3.9 108 BLACK BEAR 8170 6.5 5.5 118 10.4 6.8 153 CANYON 8090 2.1 1.7 124 5.0 3.3 152 FISHER CREEK 9100 6.5 5.3 123 9.4 6.4 147 MADISON PLATEAU 7750 3.0 3.3 91 6.5 4.7 138 NORTHEAST ENTRANCE 7350 .5 1.1 45* 5.0 2.7 185 PARKER PEAK 9400 3.9 4.4 89 5.5 3.8 145 SYLVAN LAKE 8420 2.4 3.9 62 7.0 4.8 146 THUMB DIVIDE 7980 1.6 2.1 76 4.3 3.6 119 TWO OCEAN PLATEAU 9240 4.8 5.4 89 6.2 5.5 113 WHISKEY CREEK 6800 1.8 1.9 95 5.6 4.0 140 WHITE MILL 8700 3.8 3.9 97 6.6 5.1 129 WOLVERINE 7650 1.1 1.5 73 3.4 3.1 110 ----- ----- Basin wide percent of average 93 137 WIND RIVER BURROUGHS CREEK 8750 2.0 2.2 91 3.9 3.2 122 COLD SPRINGS 9630 .9 2.1 43 2.2 3.0 73 DEER PARK 9700 3.2 3.7 86 5.1 4.7 109 HOBBS PARK 10100 2.5 3.7 68 2.8 3.3 85 LITTLE WARM 9370 1.7 2.2 77 2.5 3.1 81 SOUTH PASS 9040 3.1 3.1 100 5.0 4.0 125 ST. LAWRENCE ALT 8620 1.2 1.8 67 2.5 2.6 96 TOGWOTEE PASS 9580 4.8 4.6 104 5.9 5.0 118 TOWNSEND CREEK 8700 1.7 2.0 85 4.0 3.3 121 ----- ----- Basin wide percent of average 83 105 BIGHORN BASIN BALD MTN. 9380 6.2 4.5 138 4.7 3.8 124 BEAR TRAP MEADOW 8200 1.5 1.1 136 2.3 2.5 92 BLACKWATER 9780 4.5 5.1 88 4.9 4.9 100 BONE SPRINGS DIV 9350 5.8 4.1 141 4.4 3.7 119 EVENING STAR 9200 3.9 5.2 75 -M 5.4 * GRAVE SPRINGS 8550 2.0 2.0 100 2.5 2.9 86 KIRWIN 9550 2.4 3.0 80 3.3 2.9 114 MARQUETTE 8760 .1 2.8 4 2.5 3.2 78 MIDDLE POWDER 7760 2.9 2.5 116 3.4 3.7 92 OWL CREEK 8975 1.9 1.5 127 2.5 1.7 147 POWDER RIVER PASS 9480 2.8 2.3 122 3.4 3.0 113 SHELL CREEK 9580 5.6 3.9 144 3.9 3.2 122 SYLVAN LAKE 8420 2.4 3.9 62 7.0 4.8 146 SYLVAN ROAD 7120 .4 1.7 24 5.1 4.3 119 TIMBER CREEK 7950 .3 1.9 16 2.7 2.3 117 YOUNTS PEAK 8350 1.4 2.8 50 4.0 3.4 118 ----- ----- Basin wide percent of average 91 113 SHOSHONE RIVER BLACKWATER 9780 4.5 5.1 88 4.9 4.9 100 EVENING STAR 9200 3.9 5.2 75 -M 5.4 * KIRWIN 9550 2.4 3.0 80 3.3 2.9 114 MARQUETTE 8760 .1 2.8 4 2.5 3.2 78 SYLVAN LAKE 8420 2.4 3.9 62 7.0 4.8 146 SYLVAN ROAD 7120 .4 1.7 24 5.1 4.3 119 YOUNTS PEAK 8350 1.4 2.8 50 4.0 3.4 118 ----- ----- Basin wide percent of average 62 114 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.5 1.1 136 2.3 2.5 92 BIG GOOSE 7990 -M 1.5 * -M 2.6 * BONE SPRINGS DIV 9350 5.8 4.1 141 4.4 3.7 119 BURGESS JUNCTION 7880 2.1 2.7 78 3.9 3.2 122 CLOUD PEAK RESERVOIR 9860 2.7 2.7 100 2.7 3.7 73 DOME LAKE 8880 2.3 3.2 72 3.4 3.7 92 GRAVE SPRINGS 8550 2.0 2.0 100 2.5 2.9 86 HANSEN SAWMILL 8360 .3 1.3 23 1.5 2.5 60 MIDDLE POWDER 7760 2.9 2.5 116 3.4 3.7 92 POWDER RIVER PASS 9480 2.8 2.3 122 3.4 3.0 113 SUCKER CREEK 8880 3.3 2.4 138 4.1 3.4 121 TIE CREEK 6870 .6 1.2 50 3.9 3.1 126 ----- ----- Basin wide percent of average 103 100 BELLE FOURCHE BLIND PARK 6890 .8 1.5 53 2.8 3.5 80 COLE CANYON 5910 1.3 1.4 93 3.1 -M * NORTH RAPID CREEK 6130 .7 1.0 70 2.4 3.2 75 ----- ----- Basin wide percent of average 72 78 UPPER N. PLATTE RIVER COLUMBINE 9160 3.6 2.6 138 6.3 4.3 147 DIVIDE PEAK 8860 4.5 3.2 141 6.6 4.4 150 ELK RIVER 8700 2.0 1.6 125* 5.1 3.7 138 JOE WRIGHT 10120 4.9 4.5 109 6.8 5.5 124 NORTH FRENCH CREEK 10130 5.6 5.3 106 6.6 5.4 122 OLD BATTLE 9920 7.3 5.7 128 8.8 6.3 140 SAGE CREEK BASIN 7850 3.5 1.9 184 5.2 2.5 208 SOUTH BRUSH CREEK 8440 2.3 1.7 135 3.9 3.9 100 TOWER 10500 8.4 7.7 109 10.1 7.1 142 WEBBER SPRINGS 9250 4.8 4.0 120 7.9 5.3 149 WILLOW CREEK PASS 9540 3.5 2.4 146 3.4 3.2 106 ----- ----- Basin wide percent of average 124 137 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 4.2 3.8 111 5.3 4.3 123 CASPER MTN. 7850 2.8 3.1 90 3.9 3.8 103 DEADMAN HILL 10220 3.6 3.6 100 4.5 3.9 115 DEER PARK 9700 3.2 3.7 86 5.1 4.7 109 LAPRELE CREEK 8375 2.3 2.0 115 2.9 3.1 94 RENO HILL 8500 3.8 2.9 131 4.8 3.8 126 ROACH 9700 4.7 2.6 181 5.9 3.7 159 SAND LAKE 10050 5.9 6.0 98 6.3 5.1 124 SOUTH PASS 9040 3.1 3.1 100 5.0 4.0 125 WINDY PEAK 7900 1.1 1.4 79 2.4 2.7 89 ----- ----- Basin wide percent of average 108 118 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .8 1.1 73* 3.9 3.1 126 DIVIDE PEAK 8860 4.5 3.2 141 6.6 4.4 150 OLD BATTLE 9920 7.3 5.7 128 8.8 6.3 140 SANDSTONE RS 8150 .8 1.3 62* 4.2 3.8 111 WHISKEY PARK 8950 3.7 3.7 100 6.6 5.2 127 ----- ----- Basin wide percent of average 114 132 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.3 2.4 138 3.9 3.0 130 BLIND BULL SUM 8900 4.7 3.9 121 5.0 4.2 119 EAST RIM DIVIDE 7930 1.2 1.7 71 3.2 2.4 133 ELKHART PARK G.S. 9400 1.8 2.0 90 3.8 3.1 123 GROS VENTRE SUMMIT 8750 2.9 2.4 121 4.5 3.0 150 KENDALL R.S. 7740 1.2 1.7 71 3.7 2.8 132 LOOMIS PARK 8240 1.8 2.3 78 4.3 3.3 130 NEW FORK LAKE 8340 1.5 1.5 100 3.6 2.6 138 SNIDER BASIN 8060 2.6 1.9 137 4.2 3.0 140 SPRING CREEK DIVIDE 9000 -M 3.6 * -M 4.8 * TRIPLE PEAK 8500 4.4 3.3 133 6.9 4.3 160 ----- ----- Basin wide percent of average 110 136 LOWER GREEN RIVER HAMS FORK 7840 1.7 1.2 142* 3.4 2.4 142 HEWINTA 9500 .5 1.4 36 4.6 3.6 128 HICKERSON PARK 9100 .3 .9 33 3.6 2.5 144 HOLE-IN-ROCK 9150 1.4 1.0 140 3.5 2.3 152 INDIAN CREEK 9425 4.7 3.7 127 5.2 4.7 111 KELLEY R.S. 8180 2.8 2.3 122 4.6 3.8 121 STEEL CREEK PARK 10100 3.4 2.7 126 4.7 3.7 127 ----- ----- Basin wide percent of average 112 129 UPPER BEAR RIVER BUG LAKE 7950 3.1 2.4 129 5.2 3.9 133 HAYDEN FORK 9100 2.0 1.8 111 7.0 4.2 167 KELLEY R.S. 8180 2.8 2.3 122 4.6 3.8 121 LILY LAKE 9050 2.8 1.8 156 5.6 4.0 140 MONTE CRISTO 8960 5.3 3.0 177* 7.4 5.0 148 SALT RIVER SUMMIT 7600 2.1 1.2 175* 4.5 3.4 132 TRIAL LAKE 9960 4.0 3.5 114 7.3 4.7 155 ----- ----- Basin wide percent of average 138 143 ----------------------------------------------------------------------------- -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.