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 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 .2 1.4 14* 3.6 3.2 112 COTTONWOOD CREEK 7600 2.3 1.8 128* 4.8 4.4 109 GRANITE CREEK 6770 .2 1.2 17* 3.2 2.8 114 GRASSY LAKE 7265 1.9 2.9 66* 8.5 5.1 167 GROS VENTRE SUMMIT 8750 2.0 2.0 100 3.2 2.5 128 LEWIS LAKE DIVIDE 7850 2.1 2.7 78* 7.2 5.1 141 PHILLIPS BENCH 8200 .8 2.6 31* 5.2 3.8 137 SALT RIVER SUMMIT 7600 .3 .9 33* 2.6 2.8 93 SNAKE RIVER STATION 6920 .2 1.3 15* 6.2 3.4 182 SPRING CREEK DIVIDE 9000 2.0 2.7 74* 3.3 3.9 85 THUMB DIVIDE 7980 .6 1.6 37* 3.4 3.0 113 TOGWOTEE PASS 9580 3.6 3.8 95 4.6 4.1 112 TWO OCEAN PLATEAU 9240 3.3 4.5 73 4.7 4.5 104 WILLOW CREEK 8450 2.2 3.3 67 5.7 5.3 108 ----- ----- Basin wide percent of average 66* 123 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.0 3.8 79 3.4 3.2 106 BLACK BEAR 8170 4.2 4.4 95 7.9 5.4 146 CANYON 8090 -M 1.3 * 4.0 2.7 148 FISHER CREEK 9100 4.4 4.2 105 7.5 5.1 147 MADISON PLATEAU 7750 1.2 2.6 46 4.7 3.8 124 NORTHEAST ENTRANCE 7350 .0 .8 0* 4.5 2.2 205 PARKER PEAK 9400 3.2 3.6 89 4.7 3.2 147 SYLVAN LAKE 8420 1.9 3.1 61 6.1 3.9 156 THUMB DIVIDE 7980 .6 1.6 37* 3.4 3.0 113 TWO OCEAN PLATEAU 9240 3.3 4.5 73 4.7 4.5 104 WHISKEY CREEK 6800 .4 1.4 29* 3.8 3.3 115 WHITE MILL 8700 2.7 3.1 87 5.7 4.1 139 WOLVERINE 7650 .4 1.1 36* 2.8 2.6 108 ----- ----- Basin wide percent of average 74 134 WIND RIVER BURROUGHS CREEK 8750 -M 1.7 * 3.2 2.6 123 COLD SPRINGS 9630 .8 1.7 47 1.9 2.6 73 DEER PARK 9700 1.8 3.3 55 2.9 3.8 76 HOBBS PARK 10100 2.0 3.1 65 2.4 2.8 86 LITTLE WARM 9370 1.5 1.7 88 2.3 2.5 92 SOUTH PASS 9040 1.6 2.5 64 2.9 3.2 91 ST. LAWRENCE ALT 8620 1.2 1.4 86 2.0 2.3 87 TOGWOTEE PASS 9580 3.6 3.8 95 4.6 4.1 112 TOWNSEND CREEK 8700 1.6 1.6 100 3.6 2.8 129 ----- ----- Basin wide percent of average 74 97 BIGHORN BASIN BALD MTN. 9380 5.3 3.8 139 4.1 3.2 128 BEAR TRAP MEADOW 8200 .8 .9 89 1.6 2.2 73 BLACKWATER 9780 3.5 4.3 81 4.2 4.0 105 BONE SPRINGS DIV 9350 4.6 3.5 131 3.6 3.2 112 EVENING STAR 9200 3.1 4.2 74 -M 4.3 * GRAVE SPRINGS 8550 1.1 1.7 65 1.4 2.6 54 KIRWIN 9550 2.2 2.5 88 2.9 2.5 116 MARQUETTE 8760 .4 2.5 16 2.5 2.9 86 MIDDLE POWDER 7760 .9 2.0 45 1.8 3.3 55 OWL CREEK 8975 1.9 1.2 158 2.2 1.5 147 POWDER RIVER PASS 9480 1.7 1.9 89 2.4 2.6 92 SHELL CREEK 9580 4.9 3.4 144 3.0 2.7 111 SYLVAN LAKE 8420 1.9 3.1 61 6.1 3.9 156 SYLVAN ROAD 7120 .0 1.2 0* 4.3 3.4 126 TIMBER CREEK 7950 -M 1.6 * 2.3 2.0 115 YOUNTS PEAK 8350 -M 2.2 * 3.9 2.8 139 ----- ----- Basin wide percent of average 89 108 SHOSHONE RIVER BLACKWATER 9780 3.5 4.3 81 4.2 4.0 105 EVENING STAR 9200 3.1 4.2 74 -M 4.3 * KIRWIN 9550 2.2 2.5 88 2.9 2.5 116 MARQUETTE 8760 .4 2.5 16 2.5 2.9 86 SYLVAN LAKE 8420 1.9 3.1 61 6.1 3.9 156 SYLVAN ROAD 7120 .0 1.2 0* 4.3 3.4 126 YOUNTS PEAK 8350 -M 2.2 * 3.9 2.8 139 ----- ----- Basin wide percent of average 62 123 POWDER-TONGUE BEAR TRAP MEADOW 8200 .8 .9 89 1.6 2.2 73 BIG GOOSE 7990 .6 1.2 50 1.9 2.4 79 BONE SPRINGS DIV 9350 4.6 3.5 131 3.6 3.2 112 BURGESS JUNCTION 7880 1.5 2.2 68 3.1 2.8 111 CLOUD PEAK RESERVOIR 9860 1.9 2.2 86 2.1 3.3 64 DOME LAKE 8880 1.7 2.6 65 2.6 3.2 81 GRAVE SPRINGS 8550 1.1 1.7 65 1.4 2.6 54 HANSEN SAWMILL 8360 .0 1.1 0 1.0 2.2 45 MIDDLE POWDER 7760 .9 2.0 45 1.8 3.3 55 POWDER RIVER PASS 9480 1.7 1.9 89 2.4 2.6 92 SUCKER CREEK 8880 2.6 2.0 130 3.3 3.0 110 TIE CREEK 6870 .0 1.1 0 3.1 2.9 107 ----- ----- Basin wide percent of average 78 83 BELLE FOURCHE BLIND PARK 6890 1.0 1.1 91 1.7 3.2 53 COLE CANYON 5910 .1 1.2 8 1.9 -M * NORTH RAPID CREEK 6130 .0 .8 0* 1.3 2.9 45 ----- ----- Basin wide percent of average 35 49 UPPER N. PLATTE RIVER COLUMBINE 9160 1.7 1.9 89* 4.5 3.5 129 DIVIDE PEAK 8860 3.4 2.6 131 5.7 3.7 154 ELK RIVER 8700 1.7 1.2 142* 4.2 3.1 135 JOE WRIGHT 10120 3.3 3.7 89 4.8 4.6 104 NORTH FRENCH CREEK 10130 3.9 4.4 89 5.0 4.6 109 OLD BATTLE 9920 4.6 4.6 100 6.9 5.2 133 SAGE CREEK BASIN 7850 2.7 1.5 180 4.0 2.1 190 SOUTH BRUSH CREEK 8440 1.4 1.3 108* 3.2 3.4 94 TOWER 10500 5.8 6.0 97 7.4 5.8 128 WEBBER SPRINGS 9250 2.8 3.1 90 5.8 4.4 132 WILLOW CREEK PASS 9540 2.5 1.9 132 2.3 2.7 85 ----- ----- Basin wide percent of average 105 125 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 3.0 3.2 94 4.0 3.6 111 CASPER MTN. 7850 .8 2.5 32 2.0 3.3 61 DEADMAN HILL 10220 1.7 3.0 57 3.5 3.3 106 DEER PARK 9700 1.8 3.3 55 2.9 3.8 76 LAPRELE CREEK 8375 .9 1.6 56 1.8 2.6 69 RENO HILL 8500 1.9 2.4 79 2.8 3.3 85 ROACH 9700 3.6 2.0 180 4.9 3.1 158 SAND LAKE 10050 4.0 4.9 82 4.7 4.3 109 SOUTH PASS 9040 1.6 2.5 64 2.9 3.2 91 WINDY PEAK 7900 .5 1.1 45 1.9 2.3 83 ----- ----- Basin wide percent of average 75 96 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .3 .9 33* 3.5 2.6 135 DIVIDE PEAK 8860 3.4 2.6 131 5.7 3.7 154 OLD BATTLE 9920 4.6 4.6 100 6.9 5.2 133 SANDSTONE RS 8150 .3 1.0 30* 3.5 3.2 109 WHISKEY PARK 8950 2.2 2.9 76* 4.9 4.3 114 ----- ----- Basin wide percent of average 90* 129 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.7 1.9 89 2.5 2.5 100 BLIND BULL SUM 8900 -M 3.0 * 3.2 3.4 94 EAST RIM DIVIDE 7930 .0 1.3 0* 2.2 2.0 110 ELKHART PARK G.S. 9400 .6 1.5 40 2.6 2.6 100 GROS VENTRE SUMMIT 8750 2.0 2.0 100 3.2 2.5 128 KENDALL R.S. 7740 .3 1.3 23* 2.8 2.3 122 LOOMIS PARK 8240 .3 1.7 18* 2.8 2.7 104 NEW FORK LAKE 8340 .7 1.1 64* 3.0 2.2 136 SNIDER BASIN 8060 .8 1.4 57* 2.4 2.4 100 SPRING CREEK DIVIDE 9000 2.0 2.7 74* 3.3 3.9 85 TRIPLE PEAK 8500 2.5 2.4 104* 4.4 3.4 129 ----- ----- Basin wide percent of average 63* 108 LOWER GREEN RIVER HAMS FORK 7840 .2 .9 22* 2.2 2.0 110 HEWINTA 9500 .0 1.2 0* 3.1 3.1 100 HICKERSON PARK 9100 .3 .7 43* 2.9 2.2 132 HOLE-IN-ROCK 9150 .9 .8 112 2.6 2.0 130 INDIAN CREEK 9425 2.0 2.8 71* 3.0 3.8 79 KELLEY R.S. 8180 1.0 1.7 59 2.6 3.1 84 STEEL CREEK PARK 10100 2.3 2.3 100 3.4 3.1 110 ----- ----- Basin wide percent of average 64* 103 UPPER BEAR RIVER BUG LAKE 7950 1.0 1.9 53* 2.5 3.3 76 HAYDEN FORK 9100 .0 1.4 0* 4.6 3.5 131 KELLEY R.S. 8180 1.0 1.7 59 2.6 3.1 84 LILY LAKE 9050 1.0 1.5 67 3.5 3.4 103 MONTE CRISTO 8960 1.7 2.4 71* 4.0 4.1 98 SALT RIVER SUMMIT 7600 .3 .9 33* 2.6 2.8 93 TRIAL LAKE 9960 .9 2.9 31 4.2 3.9 108 ----- ----- Basin wide percent of average 46* 100 ----------------------------------------------------------------------------- -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.