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 SUNDAY: NOVEMBER 5 , 2006 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .6 1.1 55* 2.9 2.6 112 COTTONWOOD CREEK 7600 2.1 1.4 150* 3.7 3.8 97 GRANITE CREEK 6770 .2 .9 22* 2.7 2.3 117 GRASSY LAKE 7265 2.7 2.2 123* 6.6 4.3 153 GROS VENTRE SUMMIT 8750 2.0 1.7 118 2.9 2.2 132 LEWIS LAKE DIVIDE 7850 2.1 2.0 105* 5.1 4.2 121 PHILLIPS BENCH 8200 1.7 2.0 85* 4.1 3.2 128 SALT RIVER SUMMIT 7600 .6 .6 100* 2.3 2.4 96 SNAKE RIVER STATION 6920 .6 1.0 60* 5.1 2.8 182 SPRING CREEK DIVIDE 9000 1.5 2.2 68* 2.5 3.3 76 THUMB DIVIDE 7980 .4 1.2 33* 2.6 2.5 104 TOGWOTEE PASS 9580 3.4 3.2 106 4.2 3.5 120 TWO OCEAN PLATEAU 9240 2.9 3.8 76 3.6 3.9 92 WILLOW CREEK 8450 2.0 2.6 77* 4.4 4.5 98 ----- ----- Basin wide percent of average 88* 116 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.4 3.3 73 2.8 2.7 104 BLACK BEAR 8170 3.3 3.6 92* 5.9 4.5 131 CANYON 8090 1.0 1.0 100* 3.1 2.3 135 FISHER CREEK 9100 3.3 3.5 94* 5.4 4.3 126 MADISON PLATEAU 7750 1.2 2.2 55* 3.6 3.2 112 NORTHEAST ENTRANCE 7350 .1 .5 20* 3.5 1.9 184 PARKER PEAK 9400 2.5 3.1 81 3.5 2.8 125 SYLVAN LAKE 8420 1.9 2.5 76 4.9 3.3 148 THUMB DIVIDE 7980 .4 1.2 33* 2.6 2.5 104 TWO OCEAN PLATEAU 9240 2.9 3.8 76 3.6 3.9 92 WHISKEY CREEK 6800 .3 1.1 27* 3.5 2.8 125 WHITE MILL 8700 2.7 2.6 104* 4.2 3.5 120 WOLVERINE 7650 .3 .8 37* 2.0 2.2 91 ----- ----- Basin wide percent of average 76* 122 WIND RIVER BURROUGHS CREEK 8750 2.1 1.3 162* 2.9 2.1 138 COLD SPRINGS 9630 .7 1.4 50 1.6 2.3 70 DEER PARK 9700 1.6 3.0 53 2.9 3.2 91 HOBBS PARK 10100 1.8 2.7 67 2.1 2.5 84 LITTLE WARM 9370 1.5 1.4 107 2.0 2.2 91 SOUTH PASS 9040 1.5 2.0 75 3.0 2.7 111 ST. LAWRENCE ALT 8620 1.3 1.2 108 1.9 2.0 95 TOGWOTEE PASS 9580 3.4 3.2 106 4.2 3.5 120 TOWNSEND CREEK 8700 1.7 1.4 121 3.3 2.5 132 ----- ----- Basin wide percent of average 89 104 BIGHORN BASIN BALD MTN. 9380 5.1 3.3 155 4.0 2.9 138 BEAR TRAP MEADOW 8200 .9 .7 129 1.7 2.0 85 BLACKWATER 9780 2.8 3.7 76 3.1 3.4 91 BONE SPRINGS DIV 9350 4.4 3.1 142 3.4 2.9 117 EVENING STAR 9200 2.9 3.5 83 4.7 3.6 131 GRAVE SPRINGS 8550 1.0 1.4 71 1.5 2.4 62 KIRWIN 9550 1.9 2.2 86 2.5 2.2 114 MARQUETTE 8760 1.3 2.2 59 2.2 2.6 85 MIDDLE POWDER 7760 1.3 1.6 81 1.8 3.0 60 OWL CREEK 8975 1.9 1.1 173 2.2 1.3 169 POWDER RIVER PASS 9480 1.6 1.6 100 2.3 2.3 100 SHELL CREEK 9580 4.5 3.0 150 2.7 2.4 113 SYLVAN LAKE 8420 1.9 2.5 76 4.9 3.3 148 SYLVAN ROAD 7120 .3 .8 37* 3.3 2.8 118 TIMBER CREEK 7950 1.1 1.3 85 2.4 1.9 126 YOUNTS PEAK 8350 1.5 1.8 83* 2.9 2.3 126 ----- ----- Basin wide percent of average 102 110 SHOSHONE RIVER BLACKWATER 9780 2.8 3.7 76 3.1 3.4 91 EVENING STAR 9200 2.9 3.5 83 4.7 3.6 131 KIRWIN 9550 1.9 2.2 86 2.5 2.2 114 MARQUETTE 8760 1.3 2.2 59 2.2 2.6 85 SYLVAN LAKE 8420 1.9 2.5 76 4.9 3.3 148 SYLVAN ROAD 7120 .3 .8 37* 3.3 2.8 118 YOUNTS PEAK 8350 1.5 1.8 83* 2.9 2.3 126 ----- ----- Basin wide percent of average 75 117 POWDER-TONGUE BEAR TRAP MEADOW 8200 .9 .7 129 1.7 2.0 85 BIG GOOSE 7990 1.2 1.1 109* 1.7 2.3 74 BONE SPRINGS DIV 9350 4.4 3.1 142 3.4 2.9 117 BURGESS JUNCTION 7880 1.6 1.9 84 3.0 2.6 115 CLOUD PEAK RESERVOIR 9860 1.8 1.9 95 1.9 3.0 63 DOME LAKE 8880 1.5 2.3 65 2.3 2.9 79 GRAVE SPRINGS 8550 1.0 1.4 71 1.5 2.4 62 HANSEN SAWMILL 8360 .1 1.0 10 .9 2.1 43 MIDDLE POWDER 7760 1.3 1.6 81 1.8 3.0 60 POWDER RIVER PASS 9480 1.6 1.6 100 2.3 2.3 100 SUCKER CREEK 8880 2.4 1.7 141 3.0 2.8 107 TIE CREEK 6870 .3 1.0 30 3.0 2.7 111 ----- ----- Basin wide percent of average 94 85 BELLE FOURCHE BLIND PARK 6890 1.0 .9 111* 2.0 2.9 69 COLE CANYON 5910 .3 1.0 30 1.9 -M * NORTH RAPID CREEK 6130 .8 .6 133* 1.5 2.8 54 ----- ----- Basin wide percent of average 84* 61 UPPER N. PLATTE RIVER COLUMBINE 9160 2.0 1.4 143* 4.4 3.0 147 DIVIDE PEAK 8860 3.6 2.2 164 5.6 3.3 170 ELK RIVER 8700 1.1 1.0 110* 4.1 2.7 152 JOE WRIGHT 10120 3.3 3.2 103 4.8 4.1 117 NORTH FRENCH CREEK 10130 3.8 3.9 97 5.0 4.0 125 OLD BATTLE 9920 4.6 3.9 118 6.6 4.4 150 SAGE CREEK BASIN 7850 3.0 1.3 231 4.0 1.9 211 SOUTH BRUSH CREEK 8440 1.7 1.1 155* 3.1 3.0 103 TOWER 10500 5.5 4.8 115* 7.3 5.0 146 WEBBER SPRINGS 9250 2.9 2.6 112* 5.8 3.8 153 WILLOW CREEK PASS 9540 2.6 1.5 173 2.4 2.4 100 ----- ----- Basin wide percent of average 127 141 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10220 2.9 2.7 107* 3.9 3.1 126 CASPER MTN. 7850 1.1 2.2 50 2.1 2.9 72 DEADMAN HILL 10220 2.7 2.7 100 3.5 3.0 117 DEER PARK 9700 1.6 3.0 53 2.9 3.2 91 LAPRELE CREEK 8375 1.2 1.4 86 1.7 2.3 74 RENO HILL 8500 1.9 2.1 90 2.7 2.9 93 ROACH 9700 3.7 1.7 218* 4.9 2.8 175 SAND LAKE 10050 4.0 4.1 98 4.7 3.7 127 SOUTH PASS 9040 1.5 2.0 75 3.0 2.7 111 WINDY PEAK 7900 .8 .8 100 1.7 2.1 81 ----- ----- Basin wide percent of average 94 108 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .7 14* 3.4 2.3 148 DIVIDE PEAK 8860 3.6 2.2 164 5.6 3.3 170 OLD BATTLE 9920 4.6 3.9 118 6.6 4.4 150 SANDSTONE RS 8150 .7 .8 87* 3.5 2.8 125 WHISKEY PARK 8950 2.5 2.3 109* 5.0 3.6 139 ----- ----- Basin wide percent of average 116* 147 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.7 1.6 106 2.2 2.2 100 BLIND BULL SUM 8900 1.1 2.4 46* 2.4 2.8 86 EAST RIM DIVIDE 7930 .0 1.0 0* 2.0 1.7 118 ELKHART PARK G.S. 9400 .7 1.2 58* 2.3 2.3 100 GROS VENTRE SUMMIT 8750 2.0 1.7 118 2.9 2.2 132 KENDALL R.S. 7740 .3 1.0 30* 2.7 1.9 142 LOOMIS PARK 8240 .6 1.4 43* 2.4 2.3 104 NEW FORK LAKE 8340 1.0 .9 111* 2.7 1.9 142 SNIDER BASIN 8060 1.1 1.1 100* 1.9 2.1 90 SPRING CREEK DIVIDE 9000 1.5 2.2 68* 2.5 3.3 76 TRIPLE PEAK 8500 2.0 1.9 105* 2.7 2.9 93 ----- ----- Basin wide percent of average 73* 104 LOWER GREEN RIVER HAMS FORK 7840 .3 .7 43* 2.0 1.8 111 HEWINTA 9500 .0 1.0 0* 3.3 2.8 118 HICKERSON PARK 9100 .9 .6 150* 3.1 2.0 155 HOLE-IN-ROCK 9150 .6 .6 100* 2.6 1.9 137 INDIAN CREEK 9425 1.6 2.2 73* 2.7 3.3 82 KELLEY R.S. 8180 1.2 1.4 86* 2.4 2.7 89 STEEL CREEK PARK 10100 1.8 2.0 90 3.3 2.8 118 ----- ----- Basin wide percent of average 75* 112 UPPER BEAR RIVER BUG LAKE 7950 1.3 1.6 81* 2.4 2.8 86 HAYDEN FORK 9100 .0 1.2 0* 4.7 3.0 157 KELLEY R.S. 8180 1.2 1.4 86* 2.4 2.7 89 LILY LAKE 9050 1.0 1.2 83* 3.6 2.9 124 MONTE CRISTO 8960 1.9 2.1 90* 4.0 3.5 114 SALT RIVER SUMMIT 7600 .6 .6 100* 2.3 2.4 96 TRIAL LAKE 9960 .9 2.4 38* 4.2 3.4 124 ----- ----- Basin wide percent of average 66* 114 ----------------------------------------------------------------------------- -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.