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 MONDAY: NOVEMBER 4 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 1.0 .3 333* 2.4 2.3 104 BLACK BEAR 8170 5.0 3.3 152* 5.2 4.4 118 BLIND BULL SUM 8650 1.7 1.7 100* 2.4 2.3 104 COTTONWOOD CREEK 7670 2.6 1.2 217* 3.9 3.1 126 EAST RIM DIVIDE 7930 .5 .5 100* 1.8 1.6 112 GRAND TARGHEE 9260 5.5 5.2 106 5.4 5.6 96 GRANITE CREEK 6770 .7 .4 175* 2.1 2.2 95 GRASSY LAKE 7265 2.5 1.4 179* 3.9 3.9 100 GROS VENTRE SUMMIT 8750 2.7 1.8 150 2.6 2.0 130 GUNSIGHT PASS 9820 2.8 1.2 233* 3.0 2.4 125 LEWIS LAKE DIVIDE 7850 1.3 1.4 93* 2.6 3.7 70 PHILLIPS BENCH 8200 2.7 1.6 169* 3.7 2.8 132 SALT RIVER SUMMIT 7760 1.0 .4 250* 2.8 2.0 140 SNAKE RIVER STATION 6920 1.0 .4 250* 2.2 2.8 79 SPRING CREEK DIVIDE 9000 2.1 1.5 140* 2.7 2.6 104 THUMB DIVIDE 7980 .8 .7 114* 2.1 2.5 84 TOGWOTEE PASS 9580 4.6 3.0 153 3.6 3.2 112 TWO OCEAN PLATEAU 9240 4.7 3.6 131 3.6 3.6 100 WILLOW CREEK 8380 2.8 1.4 200* 5.8 4.2 138 YOUNTS PEAK 8350 -M 1.6 * -M 2.5 * ----- ----- Basin Index (%) 148* 108 MADISON-GALLATIN BLACK BEAR 8170 5.0 3.3 152* 5.2 4.4 118 CANYON 7870 1.7 .9 189* 2.8 2.2 127 MADISON PLATEAU 7750 1.5 1.7 88* 3.4 3.2 106 WEST YELLOWSTONE 6700 .5 .2 250* 1.8 2.1 86 WHISKEY CREEK 6800 1.0 .7 143* 2.2 2.7 81 ----- ----- Basin Index (%) 143* 105 YELLOWSTONE BEARTOOTH LAKE 9360 3.5 3.2 109 2.3 2.6 88 BURNT MTN 5880 1.7 .0 * 5.8 3.6 161 CANYON 7870 1.7 .9 189* 2.8 2.2 127 COLE CREEK 7850 5.0 2.9 172 4.0 3.3 121 EVENING STAR 9200 4.4 2.7 163 4.2 3.7 114 FISHER CREEK 9100 4.5 3.2 141* 3.5 4.0 88 NORTHEAST ENTRANCE 7350 .7 .0 * 1.5 2.0 75 PARKER PEAK 9400 4.9 2.9 169 4.0 2.9 138 SYLVAN LAKE 8420 3.0 2.0 150* 4.4 3.4 129 THUMB DIVIDE 7980 .8 .7 114* 2.1 2.5 84 TWO OCEAN PLATEAU 9240 4.7 3.6 131 3.6 3.6 100 WHITE MILL 8700 3.7 2.5 148 2.9 3.2 91 WOLVERINE 7650 .5 .2 250* 1.7 2.1 81 ----- ----- Basin Index (%) 158* 109 WIND RIVER BURROUGHS CREEK 8750 -M 1.3 * -M 2.2 * CASTLE CREEK 8400 .2 -M * 1.9 -M * COLD SPRINGS 9630 2.5 1.0 250 4.1 2.1 195 DEER PARK 9700 2.7 1.8 150 3.0 3.4 88 HOBBS PARK 10100 3.9 2.1 186 3.9 2.5 156 KIRWIN 9550 3.5 1.9 184 2.5 2.2 114 LITTLE WARM 9370 2.7 1.4 193 3.4 2.2 155 OWL CREEK 8975 2.0 .9 222 2.2 1.4 157 SOUTH PASS 9040 2.2 1.5 147* 2.9 2.6 112 ST. LAWRENCE ALT 8620 1.1 1.0 110 3.2 2.0 160 TOGWOTEE PASS 9580 4.6 3.0 153 3.6 3.2 112 TOWNSEND CREEK 8700 1.5 1.1 136 2.7 2.5 108 ----- ----- Basin Index (%) 170 131 BIGHORN BASIN BALD MTN. 9380 5.6 3.4 165 4.1 3.0 137 BEAR TRAP MEADOW 8200 2.4 .6 400 3.8 1.9 200 BONE SPRINGS DIV 9350 3.6 3.0 120 3.1 3.0 103 GRAVE SPRINGS 8550 3.7 1.0 370 4.5 2.5 180 KIRWIN 9550 3.5 1.9 184 2.5 2.2 114 MARQUETTE 8760 3.3 -M * 4.3 -M * MIDDLE POWDER 7760 5.4 1.2 450* 5.1 2.7 189 OWL CREEK 8975 2.0 .9 222 2.2 1.4 157 POWDER RIVER PASS 9480 3.5 1.6 219 3.6 2.4 150 SHELL CREEK 9580 4.2 3.1 135 3.3 2.6 127 TIMBER CREEK 7950 2.2 .8 275 3.8 2.3 165 ----- ----- Basin Index (%) 206 150 SHOSHONE RIVER BLACKWATER 9780 5.1 3.1 165 3.0 3.2 94 EVENING STAR 9200 4.4 2.7 163 4.2 3.7 114 MARQUETTE 8760 3.3 -M * 4.3 -M * SYLVAN ROAD 7120 1.1 .4 275* 3.3 2.6 127 YOUNTS PEAK 8350 -M 1.6 * -M 2.5 * ----- ----- Basin Index (%) 171* 111 POWDER RIVER BEAR TRAP MEADOW 8200 2.4 .6 400 3.8 1.9 200 CLOUD PEAK RESERVOIR 9860 3.7 2.1 176 4.5 3.0 150 GRAVE SPRINGS 8550 3.7 1.0 370 4.5 2.5 180 HANSEN SAWMILL 8360 2.6 .7 371 3.9 2.0 195 MIDDLE POWDER 7760 5.4 1.2 450* 5.1 2.7 189 POWDER RIVER PASS 9480 3.5 1.6 219 3.6 2.4 150 SOLDIER PARK 8720 2.0 -M * 3.7 -M * ----- ----- Basin Index (%) 296 175 TONGUE RIVER BIG GOOSE 7990 2.4 1.0 240* 4.4 2.7 163 BONE SPRINGS DIV 9350 3.6 3.0 120 3.1 3.0 103 BURGESS JUNCTION 7880 3.0 1.5 200 4.3 2.7 159 DOME LAKE 8880 2.2 2.2 100 3.9 3.0 130 LITTLE GOOSE 8870 3.3 -M * 5.4 -M * SUCKER CREEK 8880 4.3 1.7 253 5.2 3.0 173 TIE CREEK 6870 1.3 .3 433* 4.7 2.9 162 ----- ----- Basin Index (%) 173 148 BELLE FOURCHE COLE CANYON 5910 .9 .0 * 6.9 2.3 300 ----- ----- Basin Index (%) * 300 CHEYENNE RIVER BASIN BLIND PARK 6890 1.8 .7 257* 7.4 2.8 264 NORTH RAPID CREEK 6130 2.9 .4 725* 7.5 2.5 300 ----- ----- Basin Index (%) 427* 281 UPPER N. PLATTE ARAPAHO RIDGE 10960 3.9 3.1 126 4.6 3.8 121 BLACKHALL MTN 9820 4.6 -M * 5.9 -M * COLUMBINE 9160 2.2 1.0 220* 4.8 3.1 155 DIVIDE PEAK 8880 2.7 1.8 150* 5.7 3.6 158 JOE WRIGHT 10120 2.6 3.0 87 6.3 4.1 154 LAPRELE CREEK 8375 .9 .6 150* 2.8 2.4 117 MED BOW 10500 5.3 -M * 6.8 -M * NORTH FRENCH CREEK 10130 -M 2.9 * -M 3.8 * NEVER SUMMER 10280 3.9 2.6 150 4.6 -M * OLD BATTLE 10000 4.8 3.0 160* 5.7 4.8 119 RAWAH 9020 2.1 .7 300* 4.8 2.8 171 SAGE CREEK BASIN 7850 .7 .7 100* 3.5 2.7 130 SAND LAKE 10050 5.3 3.0 177* 5.8 3.6 161 SOUTH BRUSH CREEK 8440 2.5 .8 312* 4.7 2.7 174 TOWER 10500 7.9 4.4 180* 8.5 5.2 163 WEBBER SPRINGS 9250 2.4 1.4 171* 4.5 3.7 122 WILLOW CREEK PASS 9540 2.9 1.5 193 3.4 2.4 142 ZIRKEL 9340 1.8 1.5 120* 4.6 4.3 107 ----- ----- Basin Index (%) 160* 142 SWEETWATER DEER PARK 9700 2.7 1.8 150 3.0 3.4 88 LARSEN CREEK 9000 .0 -M * 2.2 -M * SOUTH PASS 9040 2.2 1.5 147* 2.9 2.6 112 ----- ----- Basin Index (%) 148* 98 LOWER N. PLATTE CASPER MTN. 7900 6.9 1.4 493* 6.6 3.2 206 LAPRELE CREEK 8375 .9 .6 150* 2.8 2.4 117 RENO HILL 8400 6.1 1.6 381 7.7 3.0 257 WINDY PEAK 7900 .7 .6 117* 3.2 2.1 152 ----- ----- Basin Index (%) 348* 190 LARAMIE RIVER BROOKLYN LAKE 10240 2.3 1.6 144* 3.4 2.7 126 CINNABAR PARK 9574 2.9 1.6 181* 4.3 3.3 130 CROW CREEK 8330 .8 .7 114* 3.4 2.3 148 DEADMAN HILL 10220 3.6 2.4 150 4.6 2.8 164 RAWAH 9020 2.1 .7 300* 4.8 2.8 171 ROACH 9700 -M 1.6 * -M 2.9 * ----- ----- Basin Index (%) 167* 147 S. PLATTE BLACK MOUNTAIN 8920 1.8 -M * 3.1 -M * CROW CREEK 8330 .8 .7 114* 3.4 2.3 148 DEADMAN HILL 10220 3.6 2.4 150 4.6 2.8 164 ----- ----- Basin Index (%) 142* 157 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.5 .0 * 3.9 2.4 162 DIVIDE PEAK 8880 2.7 1.8 150* 5.7 3.6 158 ELK RIVER 8700 1.3 .3 433* 4.1 2.9 141 LITTLE SNAKE RIVER 8915 2.2 1.1 200* 6.2 4.9 127 OLD BATTLE 10000 4.8 3.0 160* 5.7 4.8 119 SAGE CREEK BASIN 7850 .7 .7 100* 3.5 2.7 130 SANDSTONE RS 8150 1.1 .1 1100* 4.3 2.7 159 WHISKEY PARK 8950 4.6 1.4 329* 6.9 3.4 203 ----- ----- Basin Index (%) 225* 147 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.5 1.7 88 1.8 2.0 90 BLIND BULL SUM 8650 1.7 1.7 100* 2.4 2.3 104 EAST RIM DIVIDE 7930 .5 .5 100* 1.8 1.6 112 ELKHART PARK G.S. 9400 1.7 1.2 142* 2.1 2.1 100 GROS VENTRE SUMMIT 8750 2.7 1.8 150 2.6 2.0 130 GUNSIGHT PASS 9820 2.8 1.2 233* 3.0 2.4 125 KENDALL R.S. 7740 .4 .5 80* 1.6 1.8 89 LOOMIS PARK 8240 1.1 .8 138* 2.4 2.1 114 NEW FORK LAKE 8340 .5 .7 71* .9 1.6 56 POCKET CREEK 9360 2.8 -M * 2.9 -M * SNIDER BASIN 8060 .8 .3 267* 1.7 1.7 100 SPRING CREEK DIVIDE 9000 2.1 1.5 140* 2.7 2.6 104 TRIPLE PEAK 8500 2.8 1.5 187* 2.8 2.6 108 ----- ----- Basin Index (%) 139* 104 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 2.7 -M * BUCK PASTURE 9700 .9 -M * 3.6 -M * EF BLACKS FORK GS 9360 .7 -M * 2.6 -M * HAMS FORK 7840 .5 .3 167* 2.6 1.6 162 HEWINTA 9519 .0 .3 0* 2.8 2.4 117 HICKERSON PARK 9145 .5 .4 125* 2.5 2.3 109 HOLE-IN-ROCK 9150 .2 .4 50* 2.3 2.2 105 INDIAN CREEK 9425 1.6 2.4 67* 2.7 2.7 100 KELLEY R.S. 8180 1.3 .8 162* 2.6 2.2 118 SPIRIT LK 10235 1.6 -M * 3.6 -M * STEEL CREEK PARK 10200 .4 1.7 24* 3.4 2.7 126 ----- ----- Basin Index (%) 71* 117 UPPER BEAR RIVER BEAR RIVER RS 8777 .6 -M * 2.6 -M * BUG LAKE 7950 .7 .8 88* 2.2 2.5 88 BURTS MILLER RANCH 8000 .5 -M * 1.4 -M * CHALK CREEK #1 8993 2.6 1.9 137* 4.1 3.5 117 HAYDEN FORK 9212 .8 .5 160* 3.6 3.0 120 KELLEY R.S. 8180 1.3 .8 162* 2.6 2.2 118 LILY LAKE 9156 .5 .8 62* 3.7 2.8 132 MONTE CRISTO 8960 1.5 .9 167* 2.9 3.3 88 SALT RIVER SUMMIT 7760 1.0 .4 250* 2.8 2.0 140 ----- ----- Basin Index (%) 138* 113 ----------------------------------------------------------------------------- -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.