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 SATURDAY: NOVEMBER 9 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 2.4 .8 300* 3.5 3.1 113 BLACK BEAR 8170 6.4 4.3 149 6.7 5.6 120 BLIND BULL SUM 8650 3.1 2.4 129* 3.3 2.9 114 COTTONWOOD CREEK 7670 3.4 1.6 212* 4.7 3.8 124 EAST RIM DIVIDE 7930 1.1 .8 138* 2.3 1.9 121 GRAND TARGHEE 9260 8.8 5.9 149 7.5 6.6 114 GRANITE CREEK 6770 1.7 .8 212* 3.1 2.8 111 GRASSY LAKE 7265 3.6 2.2 164* 5.4 5.1 106 GROS VENTRE SUMMIT 8750 3.2 2.2 145 3.2 2.4 133 GUNSIGHT PASS 9820 3.3 1.8 183 3.5 2.8 125 LEWIS LAKE DIVIDE 7850 3.0 2.2 136* 4.4 4.9 90 PHILLIPS BENCH 8200 3.7 2.2 168* 4.7 3.7 127 SALT RIVER SUMMIT 7760 1.3 .6 217* 3.2 2.4 133 SNAKE RIVER STATION 6920 2.1 .8 262* 3.4 3.6 94 SPRING CREEK DIVIDE 9000 3.0 2.3 130* 3.6 3.4 106 THUMB DIVIDE 7980 1.5 1.4 107* 2.6 3.1 84 TOGWOTEE PASS 9580 5.7 3.6 158 4.7 4.0 118 TWO OCEAN PLATEAU 9240 6.3 4.6 137 4.9 4.5 109 WILLOW CREEK 8380 4.1 2.1 195* 7.1 5.3 134 YOUNTS PEAK 8350 -M 2.1 * -M 3.0 * ----- ----- Basin Index (%) 159* 114 MADISON-GALLATIN BLACK BEAR 8170 6.4 4.3 149 6.7 5.6 120 CANYON 7870 2.0 1.3 154 3.3 2.8 118 MADISON PLATEAU 7750 2.3 2.1 110* 4.2 4.0 105 WEST YELLOWSTONE 6700 1.0 .5 200* 2.1 2.5 84 WHISKEY CREEK 6800 1.6 1.2 133* 2.8 3.3 85 ----- ----- Basin Index (%) 141* 105 YELLOWSTONE BEARTOOTH LAKE 9360 4.7 3.8 124 3.5 3.2 109 BURNT MTN 5880 1.9 .0 * 6.2 3.9 159 CANYON 7870 2.0 1.3 154 3.3 2.8 118 COLE CREEK 7850 5.2 3.1 168 4.3 3.7 116 EVENING STAR 9200 6.2 3.6 172 6.1 4.7 130 FISHER CREEK 9100 6.6 4.2 157 5.6 5.2 108 NORTHEAST ENTRANCE 7350 1.1 .4 275* 2.0 2.5 80 PARKER PEAK 9400 6.0 3.4 176 5.2 3.5 149 SYLVAN LAKE 8420 4.1 2.6 158 5.6 4.2 133 THUMB DIVIDE 7980 1.5 1.4 107* 2.6 3.1 84 TWO OCEAN PLATEAU 9240 6.3 4.6 137 4.9 4.5 109 WHITE MILL 8700 5.1 3.0 170 4.1 4.1 100 WOLVERINE 7650 1.1 .5 220* 2.3 2.5 92 ----- ----- Basin Index (%) 162 116 WIND RIVER BURROUGHS CREEK 8750 -M 1.6 * -M 2.7 * CASTLE CREEK 8400 .4 -M * 2.4 -M * COLD SPRINGS 9630 2.9 1.3 223 4.1 2.5 164 DEER PARK 9700 3.0 2.3 130 3.6 3.8 95 HOBBS PARK 10100 4.3 2.5 172 4.4 2.9 152 KIRWIN 9550 4.1 2.2 186 3.3 2.6 127 LITTLE WARM 9370 3.1 1.6 194 4.0 2.6 154 OWL CREEK 8975 2.0 1.0 200 2.3 1.6 144 SOUTH PASS 9040 2.4 1.9 126 3.3 3.2 103 ST. LAWRENCE ALT 8620 1.6 1.0 160 4.1 2.2 186 TOGWOTEE PASS 9580 5.7 3.6 158 4.7 4.0 118 TOWNSEND CREEK 8700 1.8 1.3 138 3.4 2.8 121 ----- ----- Basin Index (%) 165 132 BIGHORN BASIN BALD MTN. 9380 6.2 3.8 163 4.9 3.5 140 BEAR TRAP MEADOW 8200 2.6 .8 325 4.1 2.2 186 BONE SPRINGS DIV 9350 4.1 3.3 124 3.6 3.4 106 GRAVE SPRINGS 8550 3.7 1.2 308 4.5 2.7 167 KIRWIN 9550 4.1 2.2 186 3.3 2.6 127 MARQUETTE 8760 3.6 -M * 4.5 -M * MIDDLE POWDER 7760 5.4 1.4 386 5.3 3.0 177 OWL CREEK 8975 2.0 1.0 200 2.3 1.6 144 POWDER RIVER PASS 9480 3.7 1.7 218 4.0 2.7 148 SHELL CREEK 9580 4.4 3.5 126 3.6 3.1 116 TIMBER CREEK 7950 2.3 .9 256 3.9 2.4 162 ----- ----- Basin Index (%) 194 145 SHOSHONE RIVER BLACKWATER 9780 6.5 3.7 176 4.2 3.9 108 EVENING STAR 9200 6.2 3.6 172 6.1 4.7 130 MARQUETTE 8760 3.6 -M * 4.5 -M * SYLVAN ROAD 7120 2.1 .8 262* 4.4 3.2 138 YOUNTS PEAK 8350 -M 2.1 * -M 3.0 * ----- ----- Basin Index (%) 183* 125 POWDER RIVER BEAR TRAP MEADOW 8200 2.6 .8 325 4.1 2.2 186 CLOUD PEAK RESERVOIR 9860 4.0 2.4 167 5.0 3.4 147 GRAVE SPRINGS 8550 3.7 1.2 308 4.5 2.7 167 HANSEN SAWMILL 8360 2.9 .9 322 4.2 2.3 183 MIDDLE POWDER 7760 5.4 1.4 386 5.3 3.0 177 POWDER RIVER PASS 9480 3.7 1.7 218 4.0 2.7 148 SOLDIER PARK 8720 2.1 -M * 4.0 -M * ----- ----- Basin Index (%) 265 166 TONGUE RIVER BIG GOOSE 7990 2.6 1.2 217 4.8 2.9 166 BONE SPRINGS DIV 9350 4.1 3.3 124 3.6 3.4 106 BURGESS JUNCTION 7880 3.2 1.7 188 4.8 3.0 160 DOME LAKE 8880 1.8 2.4 75 4.0 3.4 118 LITTLE GOOSE 8870 3.3 -M * 5.6 -M * SUCKER CREEK 8880 4.5 2.0 225 5.6 3.4 165 TIE CREEK 6870 1.4 .3 467* 4.9 3.1 158 ----- ----- Basin Index (%) 161 144 BELLE FOURCHE COLE CANYON 5910 1.4 .0 * 7.5 2.6 288 ----- ----- Basin Index (%) * 288 CHEYENNE RIVER BASIN BLIND PARK 6890 2.1 1.0 210 7.9 3.3 239 NORTH RAPID CREEK 6130 3.2 .8 400 8.0 2.9 276 ----- ----- Basin Index (%) 294 256 UPPER N. PLATTE ARAPAHO RIDGE 10960 4.3 3.4 126 4.9 4.2 117 BLACKHALL MTN 9820 5.6 -M * 6.7 -M * COLUMBINE 9160 2.4 1.4 171* 5.1 3.8 134 DIVIDE PEAK 8880 3.5 2.2 159 6.5 4.2 155 JOE WRIGHT 10120 2.9 3.6 81 6.8 4.8 142 LAPRELE CREEK 8375 1.1 1.0 110 3.2 2.7 119 MED BOW 10500 6.3 -M * 7.9 -M * NORTH FRENCH CREEK 10130 6.4 3.5 183 8.0 4.5 178 NEVER SUMMER 10280 4.1 2.8 146 4.8 -M * OLD BATTLE 10000 5.8 3.8 153 6.9 5.7 121 RAWAH 9020 2.6 .9 289* 5.4 3.1 174 SAGE CREEK BASIN 7850 1.3 1.0 130* 4.0 2.9 138 SAND LAKE 10050 6.0 3.8 158 6.6 4.2 157 SOUTH BRUSH CREEK 8440 3.0 1.0 300* 5.3 3.0 177 TOWER 10500 8.5 5.8 147 9.5 6.2 153 WEBBER SPRINGS 9250 3.1 2.0 155* 5.2 4.3 121 WILLOW CREEK PASS 9540 3.1 1.8 172 3.7 2.7 137 ZIRKEL 9340 2.4 1.7 141* 5.3 5.0 106 ----- ----- Basin Index (%) 152 141 SWEETWATER DEER PARK 9700 3.0 2.3 130 3.6 3.8 95 LARSEN CREEK 9000 .3 -M * 2.5 -M * SOUTH PASS 9040 2.4 1.9 126 3.3 3.2 103 ----- ----- Basin Index (%) 129 99 LOWER N. PLATTE CASPER MTN. 7900 7.1 1.6 444 6.8 3.6 189 LAPRELE CREEK 8375 1.1 1.0 110 3.2 2.7 119 RENO HILL 8400 6.3 2.1 300 8.0 3.4 235 WINDY PEAK 7900 1.1 .7 157* 3.5 2.3 152 ----- ----- Basin Index (%) 289 179 LARAMIE RIVER BROOKLYN LAKE 10240 3.0 2.0 150* 4.0 3.2 125 CINNABAR PARK 9574 3.7 2.3 161 5.2 3.8 137 CROW CREEK 8330 1.3 .6 217* 3.7 2.4 154 DEADMAN HILL 10220 4.2 2.5 168 5.1 3.2 159 RAWAH 9020 2.6 .9 289* 5.4 3.1 174 ROACH 9700 3.2 1.9 168 4.9 3.4 144 ----- ----- Basin Index (%) 176 148 S. PLATTE BLACK MOUNTAIN 8920 2.2 -M * 3.5 -M * CROW CREEK 8330 1.3 .6 217* 3.7 2.4 154 DEADMAN HILL 10220 4.2 2.5 168 5.1 3.2 159 ----- ----- Basin Index (%) 177* 157 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.1 .2 1050* 4.6 2.8 164 DIVIDE PEAK 8880 3.5 2.2 159 6.5 4.2 155 ELK RIVER 8700 1.9 .6 317* 4.8 3.3 145 LITTLE SNAKE RIVER 8915 3.0 1.4 214* 7.2 5.5 131 OLD BATTLE 10000 5.8 3.8 153 6.9 5.7 121 SAGE CREEK BASIN 7850 1.3 1.0 130* 4.0 2.9 138 SANDSTONE RS 8150 1.6 .8 200* 5.0 3.2 156 WHISKEY PARK 8950 5.3 2.0 265* 7.7 4.1 188 ----- ----- Basin Index (%) 204* 147 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.1 2.3 91 2.2 2.5 88 BLIND BULL SUM 8650 3.1 2.4 129* 3.3 2.9 114 EAST RIM DIVIDE 7930 1.1 .8 138* 2.3 1.9 121 ELKHART PARK G.S. 9400 2.3 1.6 144 2.8 2.5 112 GROS VENTRE SUMMIT 8750 3.2 2.2 145 3.2 2.4 133 GUNSIGHT PASS 9820 3.3 1.8 183 3.5 2.8 125 KENDALL R.S. 7740 1.0 1.0 100* 2.3 2.2 105 LOOMIS PARK 8240 2.0 1.4 143* 3.3 2.6 127 NEW FORK LAKE 8340 1.2 1.1 109 1.5 2.0 75 POCKET CREEK 9360 3.2 -M * 3.0 -M * SNIDER BASIN 8060 1.4 .7 200* 2.3 2.1 110 SPRING CREEK DIVIDE 9000 3.0 2.3 130* 3.6 3.4 106 TRIPLE PEAK 8500 2.8 2.1 133* 4.0 3.5 114 ----- ----- Basin Index (%) 135* 111 LOWER GREEN RIVER BLACKS FORK JCT 8870 -M -M * 2.7 -M * BUCK PASTURE 9700 1.2 -M * 3.6 -M * EF BLACKS FORK GS 9360 .9 -M * 2.9 -M * HAMS FORK 7840 .7 .7 100* 2.8 2.0 140 HEWINTA 9519 -M .5 * 3.0 2.8 107 HICKERSON PARK 9145 1.2 .7 171* 2.9 2.6 112 HOLE-IN-ROCK 9150 .4 .6 67* 2.6 2.5 104 INDIAN CREEK 9425 2.3 2.9 79 3.4 3.3 103 KELLEY R.S. 8180 1.6 1.1 145* 3.2 2.8 114 SPIRIT LK 10235 1.9 -M * 3.8 -M * STEEL CREEK PARK 10200 .6 2.2 27 3.5 3.2 109 ----- ----- Basin Index (%) 83* 111 UPPER BEAR RIVER BEAR RIVER RS 8777 .4 -M * 2.6 -M * BUG LAKE 7950 .9 1.2 75* 2.4 3.1 77 BURTS MILLER RANCH 8000 .3 -M * 1.5 -M * CHALK CREEK #1 8993 2.9 2.4 121* 4.1 4.2 98 HAYDEN FORK 9212 .8 .9 89* 3.7 3.6 103 KELLEY R.S. 8180 1.6 1.1 145* 3.2 2.8 114 LILY LAKE 9156 .7 1.1 64* 3.7 3.2 116 MONTE CRISTO 8960 1.6 1.4 114* 3.3 3.9 85 SALT RIVER SUMMIT 7760 1.3 .6 217* 3.2 2.4 133 ----- ----- Basin Index (%) 113* 102 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.