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 7 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 1.8 .6 300* 3.0 2.7 111 BLACK BEAR 8170 5.8 3.8 153 6.2 5.1 122 BLIND BULL SUM 8650 2.5 2.1 119* 2.8 2.6 108 COTTONWOOD CREEK 7670 3.0 1.4 214* 4.3 3.5 123 EAST RIM DIVIDE 7930 .9 .6 150* 2.0 1.8 111 GRAND TARGHEE 9260 6.9 5.6 123 6.9 6.4 108 GRANITE CREEK 6770 1.0 .7 143* 2.3 2.5 92 GRASSY LAKE 7265 3.1 1.8 172* 4.9 4.6 107 GROS VENTRE SUMMIT 8750 2.9 2.0 145 2.9 2.2 132 GUNSIGHT PASS 9820 3.1 1.5 207 3.3 2.6 127 LEWIS LAKE DIVIDE 7850 2.0 1.9 105* 3.5 4.4 80 PHILLIPS BENCH 8200 3.2 1.9 168* 4.2 3.3 127 SALT RIVER SUMMIT 7760 1.3 .5 260* 3.0 2.2 136 SNAKE RIVER STATION 6920 1.6 .6 267* 2.9 3.3 88 SPRING CREEK DIVIDE 9000 2.6 1.9 137* 3.2 3.0 107 THUMB DIVIDE 7980 1.1 1.1 100* 2.3 2.9 79 TOGWOTEE PASS 9580 5.1 3.3 155 4.2 3.7 114 TWO OCEAN PLATEAU 9240 5.3 4.3 123 4.0 4.1 98 WILLOW CREEK 8380 3.3 1.8 183* 6.3 4.8 131 YOUNTS PEAK 8350 -M 1.9 * -M 2.8 * ----- ----- Basin Index (%) 151* 110 MADISON-GALLATIN BLACK BEAR 8170 5.8 3.8 153 6.2 5.1 122 CANYON 7870 1.8 1.2 150* 3.2 2.5 128 MADISON PLATEAU 7750 2.0 1.9 105* 4.0 3.7 108 WEST YELLOWSTONE 6700 .9 .3 300* 2.0 2.4 83 WHISKEY CREEK 6800 1.4 1.0 140* 2.7 3.0 90 ----- ----- Basin Index (%) 145* 108 YELLOWSTONE BEARTOOTH LAKE 9360 4.2 3.6 117 3.0 2.9 103 BURNT MTN 5880 1.9 .0 * 6.1 3.7 165 CANYON 7870 1.8 1.2 150* 3.2 2.5 128 COLE CREEK 7850 5.1 3.0 170 4.3 3.6 119 EVENING STAR 9200 5.4 3.2 169 5.3 4.2 126 FISHER CREEK 9100 5.2 3.8 137 4.4 4.7 94 NORTHEAST ENTRANCE 7350 .9 .3 300* 1.8 2.2 82 PARKER PEAK 9400 5.7 3.2 178 4.7 3.2 147 SYLVAN LAKE 8420 3.7 2.3 161 5.1 3.9 131 THUMB DIVIDE 7980 1.1 1.1 100* 2.3 2.9 79 TWO OCEAN PLATEAU 9240 5.3 4.3 123 4.0 4.1 98 WHITE MILL 8700 4.4 2.8 157 3.5 3.7 95 WOLVERINE 7650 .9 .4 225* 2.2 2.3 96 ----- ----- Basin Index (%) 156 114 WIND RIVER BURROUGHS CREEK 8750 -M 1.5 * -M 2.5 * CASTLE CREEK 8400 .3 -M * 2.2 -M * COLD SPRINGS 9630 2.8 1.2 233 4.3 2.3 187 DEER PARK 9700 2.9 2.0 145 3.4 3.6 94 HOBBS PARK 10100 4.0 2.3 174 4.3 2.7 159 KIRWIN 9550 3.7 2.0 185 2.8 2.5 112 LITTLE WARM 9370 2.9 1.5 193 3.8 2.4 158 OWL CREEK 8975 2.0 1.0 200 2.3 1.5 153 SOUTH PASS 9040 2.2 1.7 129 3.3 3.0 110 ST. LAWRENCE ALT 8620 1.4 1.0 140 3.8 2.1 181 TOGWOTEE PASS 9580 5.1 3.3 155 4.2 3.7 114 TOWNSEND CREEK 8700 1.7 1.2 142 3.2 2.7 119 ----- ----- Basin Index (%) 167 134 BIGHORN BASIN BALD MTN. 9380 6.0 3.7 162 4.8 3.3 145 BEAR TRAP MEADOW 8200 2.6 .7 371 4.0 2.1 190 BONE SPRINGS DIV 9350 3.9 3.2 122 3.5 3.2 109 GRAVE SPRINGS 8550 3.7 1.1 336 4.5 2.6 173 KIRWIN 9550 3.7 2.0 185 2.8 2.5 112 MARQUETTE 8760 3.5 -M * 4.5 -M * MIDDLE POWDER 7760 5.3 1.3 408 5.2 2.9 179 OWL CREEK 8975 2.0 1.0 200 2.3 1.5 153 POWDER RIVER PASS 9480 3.6 1.7 212 3.9 2.6 150 SHELL CREEK 9580 4.3 3.4 126 3.5 2.9 121 TIMBER CREEK 7950 2.2 .8 275 3.8 2.4 158 ----- ----- Basin Index (%) 197 147 SHOSHONE RIVER BLACKWATER 9780 5.6 3.4 165 3.6 3.6 100 EVENING STAR 9200 5.4 3.2 169 5.3 4.2 126 MARQUETTE 8760 3.5 -M * 4.5 -M * SYLVAN ROAD 7120 1.9 .6 317* 4.0 3.0 133 YOUNTS PEAK 8350 -M 1.9 * -M 2.8 * ----- ----- Basin Index (%) 179* 119 POWDER RIVER BEAR TRAP MEADOW 8200 2.6 .7 371 4.0 2.1 190 CLOUD PEAK RESERVOIR 9860 3.8 2.3 165 4.9 3.3 148 GRAVE SPRINGS 8550 3.7 1.1 336 4.5 2.6 173 HANSEN SAWMILL 8360 2.8 .8 350 4.1 2.1 195 MIDDLE POWDER 7760 5.3 1.3 408 5.2 2.9 179 POWDER RIVER PASS 9480 3.6 1.7 212 3.9 2.6 150 SOLDIER PARK 8720 2.2 -M * 3.9 -M * ----- ----- Basin Index (%) 276 171 TONGUE RIVER BIG GOOSE 7990 2.5 1.2 208 4.7 2.8 168 BONE SPRINGS DIV 9350 3.9 3.2 122 3.5 3.2 109 BURGESS JUNCTION 7880 3.1 1.6 194 4.7 2.8 168 DOME LAKE 8880 1.8 2.3 78 3.9 3.2 122 LITTLE GOOSE 8870 3.3 -M * 5.5 -M * SUCKER CREEK 8880 4.4 1.9 232 5.5 3.2 172 TIE CREEK 6870 1.3 .3 433* 4.8 3.0 160 ----- ----- Basin Index (%) 162 149 BELLE FOURCHE COLE CANYON 5910 1.3 .0 * 7.4 2.5 296 ----- ----- Basin Index (%) * 296 CHEYENNE RIVER BASIN BLIND PARK 6890 2.1 .9 233 7.9 3.1 255 NORTH RAPID CREEK 6130 3.1 .6 517* 7.9 2.8 282 ----- ----- Basin Index (%) 347 268 UPPER N. PLATTE ARAPAHO RIDGE 10960 4.2 3.3 127 4.9 4.0 122 BLACKHALL MTN 9820 5.5 -M * 7.0 -M * COLUMBINE 9160 2.6 1.2 217* 5.2 3.4 153 DIVIDE PEAK 8880 3.5 2.1 167 6.4 3.9 164 JOE WRIGHT 10120 2.9 3.4 85 6.7 4.4 152 LAPRELE CREEK 8375 1.0 .9 111* 3.1 2.5 124 MED BOW 10500 6.5 -M * 7.9 -M * NORTH FRENCH CREEK 10130 6.3 3.2 197* 8.0 4.2 190 NEVER SUMMER 10280 4.1 2.7 152 4.8 -M * OLD BATTLE 10000 5.7 3.4 168* 6.8 5.2 131 RAWAH 9020 2.6 .8 325* 5.4 3.0 180 SAGE CREEK BASIN 7850 1.3 .9 144* 4.0 2.8 143 SAND LAKE 10050 6.0 3.5 171 6.6 3.9 169 SOUTH BRUSH CREEK 8440 3.1 .9 344* 5.2 2.9 179 TOWER 10500 8.6 5.3 162 9.3 5.8 160 WEBBER SPRINGS 9250 3.1 1.7 182* 5.2 4.0 130 WILLOW CREEK PASS 9540 3.1 1.7 182 3.6 2.5 144 ZIRKEL 9340 2.5 1.7 147* 5.2 4.8 108 ----- ----- Basin Index (%) 165* 149 SWEETWATER DEER PARK 9700 2.9 2.0 145 3.4 3.6 94 LARSEN CREEK 9000 .2 -M * 2.3 -M * SOUTH PASS 9040 2.2 1.7 129 3.3 3.0 110 ----- ----- Basin Index (%) 138 102 LOWER N. PLATTE CASPER MTN. 7900 6.5 1.5 433 6.5 3.5 186 LAPRELE CREEK 8375 1.0 .9 111* 3.1 2.5 124 RENO HILL 8400 6.2 1.9 326 7.9 3.3 239 WINDY PEAK 7900 1.0 .7 143* 3.5 2.2 159 ----- ----- Basin Index (%) 294 183 LARAMIE RIVER BROOKLYN LAKE 10240 3.0 1.8 167* 4.0 3.0 133 CINNABAR PARK 9574 3.7 2.0 185* 5.2 3.6 144 CROW CREEK 8330 1.3 .7 186* 3.6 2.3 157 DEADMAN HILL 10220 4.1 2.4 171 5.1 3.0 170 RAWAH 9020 2.6 .8 325* 5.4 3.0 180 ROACH 9700 3.2 1.8 178 4.9 3.1 158 ----- ----- Basin Index (%) 188* 157 S. PLATTE BLACK MOUNTAIN 8920 2.2 -M * 3.5 -M * CROW CREEK 8330 1.3 .7 186* 3.6 2.3 157 DEADMAN HILL 10220 4.1 2.4 171 5.1 3.0 170 ----- ----- Basin Index (%) 174* 164 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.1 .0 * 4.6 2.6 177 DIVIDE PEAK 8880 3.5 2.1 167 6.4 3.9 164 ELK RIVER 8700 2.0 .5 400* 4.9 3.1 158 LITTLE SNAKE RIVER 8915 3.2 1.3 246* 7.2 5.3 136 OLD BATTLE 10000 5.7 3.4 168* 6.8 5.2 131 SAGE CREEK BASIN 7850 1.3 .9 144* 4.0 2.8 143 SANDSTONE RS 8150 1.8 .5 360* 5.0 3.0 167 WHISKEY PARK 8950 5.4 1.8 300* 7.8 3.8 205 ----- ----- Basin Index (%) 238* 157 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.9 2.0 95 2.0 2.2 91 BLIND BULL SUM 8650 2.5 2.1 119* 2.8 2.6 108 EAST RIM DIVIDE 7930 .9 .6 150* 2.0 1.8 111 ELKHART PARK G.S. 9400 2.0 1.4 143 2.6 2.3 113 GROS VENTRE SUMMIT 8750 2.9 2.0 145 2.9 2.2 132 GUNSIGHT PASS 9820 3.1 1.5 207 3.3 2.6 127 KENDALL R.S. 7740 .5 .8 62* 1.9 2.1 90 LOOMIS PARK 8240 1.4 1.1 127* 2.7 2.3 117 NEW FORK LAKE 8340 1.0 1.0 100* 1.4 1.9 74 POCKET CREEK 9360 3.1 -M * 2.9 -M * SNIDER BASIN 8060 1.3 .5 260* 2.2 1.9 116 SPRING CREEK DIVIDE 9000 2.6 1.9 137* 3.2 3.0 107 TRIPLE PEAK 8500 2.2 1.9 116* 3.4 3.1 110 ----- ----- Basin Index (%) 133* 109 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 2.7 -M * BUCK PASTURE 9700 1.3 -M * 3.6 -M * EF BLACKS FORK GS 9360 .9 -M * 2.7 -M * HAMS FORK 7840 .8 .5 160* 2.7 1.8 150 HEWINTA 9519 .8 .4 200* 3.0 2.6 115 HICKERSON PARK 9145 1.0 .6 167* 2.9 2.4 121 HOLE-IN-ROCK 9150 .4 .5 80* 2.4 2.4 100 INDIAN CREEK 9425 2.1 2.7 78 3.2 3.0 107 KELLEY R.S. 8180 1.6 1.0 160* 3.1 2.5 124 SPIRIT LK 10235 2.0 -M * 3.8 -M * STEEL CREEK PARK 10200 .0 2.0 0 3.5 3.0 117 ----- ----- Basin Index (%) 87* 118 UPPER BEAR RIVER BEAR RIVER RS 8777 .7 -M * 2.7 -M * BUG LAKE 7950 .7 1.0 70* 2.4 2.7 89 BURTS MILLER RANCH 8000 .6 -M * 1.5 -M * CHALK CREEK #1 8993 2.9 2.2 132* 4.2 3.9 108 HAYDEN FORK 9212 .9 .7 129* 3.7 3.3 112 KELLEY R.S. 8180 1.6 1.0 160* 3.1 2.5 124 LILY LAKE 9156 .7 1.0 70* 3.7 3.0 123 MONTE CRISTO 8960 1.6 1.2 133* 3.2 3.5 91 SALT RIVER SUMMIT 7760 1.3 .5 260* 3.0 2.2 136 ----- ----- Basin Index (%) 128* 110 ----------------------------------------------------------------------------- -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.