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 22 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 2.2 2.9 76 5.7 4.9 116 COTTONWOOD CREEK 7600 4.7 3.4 138 7.6 6.5 117 GRANITE CREEK 6770 2.1 2.4 88 5.3 4.3 123 GRASSY LAKE 7265 4.4 5.6 79 11.5 7.8 147 GROS VENTRE SUMMIT 8750 3.3 3.1 106 4.6 3.6 128 LEWIS LAKE DIVIDE 7850 4.9 5.5 89 10.6 7.9 134 PHILLIPS BENCH 8200 3.5 4.7 74 7.9 5.9 134 SALT RIVER SUMMIT 7600 2.4 1.8 133 5.0 4.1 122 SNAKE RIVER STATION 6920 2.5 2.8 89 8.8 5.2 169 SPRING CREEK DIVIDE 9000 5.3 5.0 106 6.7 5.9 114 THUMB DIVIDE 7980 2.0 2.9 69 4.6 4.4 105 TOGWOTEE PASS 9580 5.3 5.7 93 6.6 6.0 110 TWO OCEAN PLATEAU 9240 5.4 6.7 81 6.6 6.7 99 WILLOW CREEK 8450 5.4 5.8 93 9.1 7.7 118 ----- ----- Basin wide percent of average 92 124 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 4.1 5.7 72 4.8 4.8 100 BLACK BEAR 8170 7.0 7.3 96 11.0 8.4 131 CANYON 8090 2.2 2.4 92 5.1 3.9 131 FISHER CREEK 9100 7.1 7.0 101 10.2 7.9 129 MADISON PLATEAU 7750 3.2 4.5 71 6.8 5.8 117 NORTHEAST ENTRANCE 7350 .8 1.7 47 5.3 3.3 161 PARKER PEAK 9400 4.4 5.4 81 6.0 4.6 130 SYLVAN LAKE 8420 2.9 5.0 58 7.3 5.8 126 THUMB DIVIDE 7980 2.0 2.9 69 4.6 4.4 105 TWO OCEAN PLATEAU 9240 5.4 6.7 81 6.6 6.7 99 WHISKEY CREEK 6800 2.1 2.7 78 6.1 4.8 127 WHITE MILL 8700 4.5 5.1 88 7.6 6.2 123 WOLVERINE 7650 1.3 2.2 59 3.7 3.7 100 ----- ----- Basin wide percent of average 80 121 WIND RIVER BURROUGHS CREEK 8750 2.5 2.9 86 4.5 3.9 115 COLD SPRINGS 9630 1.2 2.5 48 2.4 3.5 69 DEER PARK 9700 3.5 4.0 88 5.3 5.8 91 HOBBS PARK 10100 2.7 4.4 61 3.3 3.9 85 LITTLE WARM 9370 2.1 2.7 78 3.0 3.8 79 SOUTH PASS 9040 3.5 3.9 90 4.9 4.9 100 ST. LAWRENCE ALT 8620 1.5 2.2 68 2.5 3.0 83 TOGWOTEE PASS 9580 5.3 5.7 93 6.6 6.0 110 TOWNSEND CREEK 8700 2.1 2.4 88 4.4 3.8 116 ----- ----- Basin wide percent of average 79 96 BIGHORN BASIN BALD MTN. 9380 6.4 5.1 125 5.2 4.5 116 BEAR TRAP MEADOW 8200 1.7 1.3 131 2.6 2.9 90 BLACKWATER 9780 5.1 6.3 81 5.6 5.9 95 BONE SPRINGS DIV 9350 5.9 4.6 128 4.9 4.2 117 EVENING STAR 9200 4.5 6.6 68 -M 6.6 * GRAVE SPRINGS 8550 2.1 2.3 91 2.5 3.2 78 KIRWIN 9550 2.8 3.5 80 3.8 3.4 112 MARQUETTE 8760 .3 3.2 9 3.0 3.6 83 MIDDLE POWDER 7760 2.9 2.9 100 3.4 4.2 81 OWL CREEK 8975 2.1 1.7 124 2.5 1.9 132 POWDER RIVER PASS 9480 2.8 2.7 104 3.6 3.5 103 SHELL CREEK 9580 5.8 4.4 132 3.9 3.8 103 SYLVAN LAKE 8420 2.9 5.0 58 7.3 5.8 126 SYLVAN ROAD 7120 .6 2.5 24 5.3 5.3 100 TIMBER CREEK 7950 .4 2.1 19 2.6 2.6 100 YOUNTS PEAK 8350 1.9 3.6 53 5.2 4.2 124 ----- ----- Basin wide percent of average 83 104 SHOSHONE RIVER BLACKWATER 9780 5.1 6.3 81 5.6 5.9 95 EVENING STAR 9200 4.5 6.6 68 -M 6.6 * KIRWIN 9550 2.8 3.5 80 3.8 3.4 112 MARQUETTE 8760 .3 3.2 9 3.0 3.6 83 SYLVAN LAKE 8420 2.9 5.0 58 7.3 5.8 126 SYLVAN ROAD 7120 .6 2.5 24 5.3 5.3 100 YOUNTS PEAK 8350 1.9 3.6 53 5.2 4.2 124 ----- ----- Basin wide percent of average 59 107 POWDER-TONGUE BEAR TRAP MEADOW 8200 1.7 1.3 131 2.6 2.9 90 BIG GOOSE 7990 1.4 1.8 78 3.0 2.8 107 BONE SPRINGS DIV 9350 5.9 4.6 128 4.9 4.2 117 BURGESS JUNCTION 7880 2.5 3.1 81 4.2 3.6 117 CLOUD PEAK RESERVOIR 9860 3.1 3.2 97 3.3 4.2 79 DOME LAKE 8880 2.5 3.6 69 3.5 4.2 83 GRAVE SPRINGS 8550 2.1 2.3 91 2.5 3.2 78 HANSEN SAWMILL 8360 .5 1.6 31 1.8 2.8 64 MIDDLE POWDER 7760 2.9 2.9 100 3.4 4.2 81 POWDER RIVER PASS 9480 2.8 2.7 104 3.6 3.5 103 SUCKER CREEK 8880 3.7 2.8 132 4.4 3.9 113 TIE CREEK 6870 .6 1.2 50 4.0 3.4 118 ----- ----- Basin wide percent of average 95 96 BELLE FOURCHE BLIND PARK 6890 .9 1.7 53 3.1 4.0 78 COLE CANYON 5910 1.2 1.6 75 3.2 -M * NORTH RAPID CREEK 6130 .7 1.3 54 2.6 3.4 76 ----- ----- Basin wide percent of average 61 77 UPPER N. PLATTE RIVER COLUMBINE 9160 3.7 3.7 100 6.5 5.2 125 DIVIDE PEAK 8860 4.7 4.0 118 6.9 5.2 133 ELK RIVER 8700 3.1 2.3 135 5.4 4.3 126 JOE WRIGHT 10120 5.0 5.3 94 6.8 6.4 106 NORTH FRENCH CREEK 10130 6.4 6.4 100 7.4 6.3 117 OLD BATTLE 9920 7.5 7.1 106 9.8 7.6 129 SAGE CREEK BASIN 7850 3.6 2.4 150 5.2 3.0 173 SOUTH BRUSH CREEK 8440 2.5 2.2 114 4.5 4.5 100 TOWER 10500 8.5 9.8 87 10.5 8.6 122 WEBBER SPRINGS 9250 5.0 5.1 98 8.2 6.4 128 WILLOW CREEK PASS 9540 3.8 2.9 131 3.5 3.7 95 ----- ----- Basin wide percent of average 105 122 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 4.7 4.8 98 5.6 5.1 110 CASPER MTN. 7850 3.0 3.8 79 4.1 4.4 93 DEADMAN HILL 10220 3.5 4.2 83 4.6 4.5 102 DEER PARK 9700 3.5 4.0 88 5.3 5.8 91 LAPRELE CREEK 8375 2.4 2.5 96 3.3 3.6 92 RENO HILL 8500 3.9 3.5 111 4.9 4.3 114 ROACH 9700 4.7 3.3 142 6.2 4.4 141 SAND LAKE 10050 6.4 7.4 86 6.9 6.0 115 SOUTH PASS 9040 3.5 3.9 90 4.9 4.9 100 WINDY PEAK 7900 1.4 1.8 78 2.8 3.1 90 ----- ----- Basin wide percent of average 94 105 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .6 1.4 43 4.2 3.7 114 DIVIDE PEAK 8860 4.7 4.0 118 6.9 5.2 133 OLD BATTLE 9920 7.5 7.1 106 9.8 7.6 129 SANDSTONE RS 8150 1.2 1.8 67 4.4 4.6 96 WHISKEY PARK 8950 3.8 4.8 79 6.7 6.4 105 ----- ----- Basin wide percent of average 93 116 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.6 3.1 116 4.4 3.6 122 BLIND BULL SUM 8900 5.5 5.3 104 5.8 5.2 112 EAST RIM DIVIDE 7930 1.4 2.4 58 3.4 2.9 117 ELKHART PARK G.S. 9400 2.1 2.7 78 4.1 3.7 111 GROS VENTRE SUMMIT 8750 3.3 3.1 106 4.6 3.6 128 KENDALL R.S. 7740 1.7 2.4 71 4.2 3.3 127 LOOMIS PARK 8240 2.2 3.2 69 4.7 4.0 118 NEW FORK LAKE 8340 1.8 2.1 86 4.1 3.1 132 SNIDER BASIN 8060 2.9 2.6 112 4.5 3.7 122 SPRING CREEK DIVIDE 9000 5.3 5.0 106 6.7 5.9 114 TRIPLE PEAK 8500 5.0 4.6 109 7.6 5.2 146 ----- ----- Basin wide percent of average 95 122 LOWER GREEN RIVER HAMS FORK 7840 2.0 1.8 111 3.6 2.9 124 HEWINTA 9500 .6 1.8 33 5.2 4.2 124 HICKERSON PARK 9100 .8 1.2 67 4.0 2.8 143 HOLE-IN-ROCK 9150 1.8 1.2 150 3.5 2.6 135 INDIAN CREEK 9425 5.3 5.0 106 5.9 5.7 104 KELLEY R.S. 8180 3.3 3.1 106 5.2 4.7 111 STEEL CREEK PARK 10100 3.8 3.3 115 5.0 4.4 114 ----- ----- Basin wide percent of average 101 119 UPPER BEAR RIVER BUG LAKE 7950 3.2 3.1 103 5.5 4.7 117 HAYDEN FORK 9100 2.0 2.4 83 7.5 5.0 150 KELLEY R.S. 8180 3.3 3.1 106 5.2 4.7 111 LILY LAKE 9050 2.8 2.3 122 5.7 4.7 121 MONTE CRISTO 8960 5.2 4.0 130 7.5 6.0 125 SALT RIVER SUMMIT 7600 2.4 1.8 133 5.0 4.1 122 TRIAL LAKE 9960 3.6 4.4 82 7.4 5.6 132 ----- ----- Basin wide percent of average 107 126 ----------------------------------------------------------------------------- -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.