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 3 , 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* 2.1 2.2 95 BLACK BEAR 8170 3.5 3.2 109* 3.9 4.3 91 BLIND BULL SUM 8650 1.7 1.6 106* 2.3 2.3 100 COTTONWOOD CREEK 7670 2.4 1.1 218* 3.7 3.0 123 EAST RIM DIVIDE 7930 .5 .4 125* 1.8 1.5 120 GRAND TARGHEE 9260 5.3 5.0 106 5.6 5.4 104 GRANITE CREEK 6770 .7 .3 233* 2.0 2.1 95 GRASSY LAKE 7265 2.1 1.4 150* 3.7 3.8 97 GROS VENTRE SUMMIT 8750 2.7 1.8 150 2.8 2.0 140 GUNSIGHT PASS 9820 2.9 1.1 264* 3.2 2.3 139 LEWIS LAKE DIVIDE 7850 .9 1.3 69* 2.4 3.5 69 PHILLIPS BENCH 8200 2.8 1.5 187* 3.7 2.7 137 SALT RIVER SUMMIT 7760 1.0 .3 333* 2.8 2.0 140 SNAKE RIVER STATION 6920 .8 .3 267* 1.9 2.8 68 SPRING CREEK DIVIDE 9000 2.2 1.3 169* 2.7 2.5 108 THUMB DIVIDE 7980 .7 .6 117* 1.9 2.4 79 TOGWOTEE PASS 9580 4.6 2.9 159 3.6 3.0 120 TWO OCEAN PLATEAU 9240 4.4 3.4 129 3.3 3.4 97 WILLOW CREEK 8380 2.4 1.2 200* 5.2 4.1 127 YOUNTS PEAK 8350 -M 1.6 * -M 2.4 * ----- ----- Basin Index (%) 147* 106 MADISON-GALLATIN BLACK BEAR 8170 3.5 3.2 109* 3.9 4.3 91 CANYON 7870 1.1 .8 138* 2.2 2.1 105 MADISON PLATEAU 7750 .8 1.6 50* 2.7 3.1 87 WEST YELLOWSTONE 6700 .5 .2 250* 1.5 2.0 75 WHISKEY CREEK 6800 .7 .6 117* 1.8 2.6 69 ----- ----- Basin Index (%) 103* 86 YELLOWSTONE BEARTOOTH LAKE 9360 3.3 3.0 110 2.2 2.5 88 BURNT MTN 5880 1.7 .0 * 6.0 3.5 171 CANYON 7870 1.1 .8 138* 2.2 2.1 105 COLE CREEK 7850 4.8 2.8 171 4.2 3.2 131 EVENING STAR 9200 4.1 2.6 158 3.7 3.6 103 FISHER CREEK 9100 4.2 3.0 140* 3.1 3.9 79 NORTHEAST ENTRANCE 7350 .5 .0 * 1.3 2.0 65 PARKER PEAK 9400 4.3 2.9 148 3.3 2.8 118 SYLVAN LAKE 8420 2.6 1.9 137* 4.1 3.3 124 THUMB DIVIDE 7980 .7 .6 117* 1.9 2.4 79 TWO OCEAN PLATEAU 9240 4.4 3.4 129 3.3 3.4 97 WHITE MILL 8700 3.3 2.4 138* 2.7 3.1 87 WOLVERINE 7650 .1 .1 100* 1.5 2.0 75 ----- ----- Basin Index (%) 149* 104 WIND RIVER BURROUGHS CREEK 8750 -M 1.3 * -M 2.1 * CASTLE CREEK 8400 .3 -M * 2.1 -M * COLD SPRINGS 9630 2.8 1.0 280 3.9 2.0 195 DEER PARK 9700 2.9 1.7 171 3.4 3.3 103 HOBBS PARK 10100 4.1 2.1 195 4.2 2.5 168 KIRWIN 9550 3.7 1.8 206 2.8 2.1 133 LITTLE WARM 9370 2.7 1.3 208 3.5 2.1 167 OWL CREEK 8975 2.1 .8 262 2.2 1.4 157 SOUTH PASS 9040 2.3 1.4 164* 3.2 2.6 123 ST. LAWRENCE ALT 8620 1.6 .9 178 3.7 2.0 185 TOGWOTEE PASS 9580 4.6 2.9 159 3.6 3.0 120 TOWNSEND CREEK 8700 1.8 1.1 164 3.2 2.5 128 ----- ----- Basin Index (%) 191 143 BIGHORN BASIN BALD MTN. 9380 5.6 3.4 165 4.4 3.0 147 BEAR TRAP MEADOW 8200 2.4 .6 400 3.8 1.9 200 BONE SPRINGS DIV 9350 3.7 2.9 128 3.3 2.9 114 GRAVE SPRINGS 8550 3.6 1.0 360 4.3 2.4 179 KIRWIN 9550 3.7 1.8 206 2.8 2.1 133 MARQUETTE 8760 3.6 -M * 4.5 -M * MIDDLE POWDER 7760 5.3 1.2 442* 5.2 2.7 193 OWL CREEK 8975 2.1 .8 262 2.2 1.4 157 POWDER RIVER PASS 9480 3.4 1.5 227 3.7 2.3 161 SHELL CREEK 9580 4.1 3.0 137 3.2 2.6 123 TIMBER CREEK 7950 2.3 .8 288 3.8 2.2 173 ----- ----- Basin Index (%) 213 156 SHOSHONE RIVER BLACKWATER 9780 4.8 3.0 160 2.9 3.0 97 EVENING STAR 9200 4.1 2.6 158 3.7 3.6 103 MARQUETTE 8760 3.6 -M * 4.5 -M * SYLVAN ROAD 7120 1.0 .3 333* 3.1 2.6 119 YOUNTS PEAK 8350 -M 1.6 * -M 2.4 * ----- ----- Basin Index (%) 168* 105 POWDER RIVER BEAR TRAP MEADOW 8200 2.4 .6 400 3.8 1.9 200 CLOUD PEAK RESERVOIR 9860 3.7 2.0 185 4.7 2.9 162 GRAVE SPRINGS 8550 3.6 1.0 360 4.3 2.4 179 HANSEN SAWMILL 8360 2.6 .6 433* 4.0 2.0 200 MIDDLE POWDER 7760 5.3 1.2 442* 5.2 2.7 193 POWDER RIVER PASS 9480 3.4 1.5 227 3.7 2.3 161 SOLDIER PARK 8720 1.9 -M * 3.5 -M * ----- ----- Basin Index (%) 304 181 TONGUE RIVER BIG GOOSE 7990 2.4 1.0 240* 4.4 2.7 163 BONE SPRINGS DIV 9350 3.7 2.9 128 3.3 2.9 114 BURGESS JUNCTION 7880 2.9 1.5 193 4.4 2.6 169 DOME LAKE 8880 2.3 2.2 105 4.0 3.0 133 LITTLE GOOSE 8870 3.1 -M * 5.3 -M * SUCKER CREEK 8880 4.3 1.7 253 5.3 2.9 183 TIE CREEK 6870 1.3 .3 433* 4.6 2.9 159 ----- ----- Basin Index (%) 176 153 BELLE FOURCHE COLE CANYON 5910 1.2 .0 * 6.9 2.3 300 ----- ----- Basin Index (%) * 300 CHEYENNE RIVER BASIN BLIND PARK 6890 1.9 .6 317* 7.5 2.7 278 NORTH RAPID CREEK 6130 2.9 .3 967* 7.6 2.4 317 ----- ----- Basin Index (%) 533* 296 UPPER N. PLATTE ARAPAHO RIDGE 10960 3.9 3.1 126 4.6 3.7 124 BLACKHALL MTN 9820 4.6 -M * 5.6 -M * COLUMBINE 9160 2.0 .9 222* 4.7 3.0 157 DIVIDE PEAK 8880 2.6 1.7 153* 5.6 3.5 160 JOE WRIGHT 10120 2.5 2.8 89 6.1 4.0 152 LAPRELE CREEK 8375 1.1 .6 183* 3.0 2.2 136 MED BOW 10500 5.1 -M * 6.5 -M * NORTH FRENCH CREEK 10130 -M 2.9 * -M 3.7 * NEVER SUMMER 10280 3.7 2.5 148 4.4 -M * OLD BATTLE 10000 4.6 2.9 159* 5.7 4.6 124 RAWAH 9020 1.9 .6 317* 4.7 2.7 174 SAGE CREEK BASIN 7850 .8 .6 133* 3.4 2.6 131 SAND LAKE 10050 5.2 2.8 186* 5.9 3.5 169 SOUTH BRUSH CREEK 8440 2.4 .7 343* 4.5 2.6 173 TOWER 10500 7.5 4.1 183* 8.3 5.0 166 WEBBER SPRINGS 9250 2.2 1.4 157* 4.3 3.6 119 WILLOW CREEK PASS 9540 2.8 1.4 200* 3.3 2.3 143 ZIRKEL 9340 1.7 1.4 121* 4.4 4.2 105 ----- ----- Basin Index (%) 163* 144 SWEETWATER DEER PARK 9700 2.9 1.7 171 3.4 3.3 103 LARSEN CREEK 9000 .1 -M * 2.2 -M * SOUTH PASS 9040 2.3 1.4 164* 3.2 2.6 123 ----- ----- Basin Index (%) 168* 112 LOWER N. PLATTE CASPER MTN. 7900 6.7 1.3 515* 6.6 3.1 213 LAPRELE CREEK 8375 1.1 .6 183* 3.0 2.2 136 RENO HILL 8400 6.2 1.5 413 7.8 2.9 269 WINDY PEAK 7900 .9 .5 180* 3.3 2.0 165 ----- ----- Basin Index (%) 382* 203 LARAMIE RIVER BROOKLYN LAKE 10240 2.4 1.6 150* 3.4 2.6 131 CINNABAR PARK 9574 2.9 1.5 193* 4.3 3.2 134 CROW CREEK 8330 1.0 .6 167* 3.4 2.3 148 DEADMAN HILL 10220 3.6 2.4 150 4.5 2.7 167 RAWAH 9020 1.9 .6 317* 4.7 2.7 174 ROACH 9700 -M 1.4 * -M 2.8 * ----- ----- Basin Index (%) 176* 150 S. PLATTE BLACK MOUNTAIN 8920 1.9 -M * 3.2 -M * CROW CREEK 8330 1.0 .6 167* 3.4 2.3 148 DEADMAN HILL 10220 3.6 2.4 150 4.5 2.7 167 ----- ----- Basin Index (%) 153* 158 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.2 .0 * 3.8 2.3 165 DIVIDE PEAK 8880 2.6 1.7 153* 5.6 3.5 160 ELK RIVER 8700 1.0 .2 500* 3.9 2.8 139 LITTLE SNAKE RIVER 8915 2.0 1.1 182* 6.0 4.9 122 OLD BATTLE 10000 4.6 2.9 159* 5.7 4.6 124 SAGE CREEK BASIN 7850 .8 .6 133* 3.4 2.6 131 SANDSTONE RS 8150 .8 .0 * 4.1 2.6 158 WHISKEY PARK 8950 4.2 1.2 350* 6.5 3.3 197 ----- ----- Basin Index (%) 223* 147 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.7 1.6 106 1.9 2.0 95 BLIND BULL SUM 8650 1.7 1.6 106* 2.3 2.3 100 EAST RIM DIVIDE 7930 .5 .4 125* 1.8 1.5 120 ELKHART PARK G.S. 9400 1.9 1.1 173* 2.3 2.1 110 GROS VENTRE SUMMIT 8750 2.7 1.8 150 2.8 2.0 140 GUNSIGHT PASS 9820 2.9 1.1 264* 3.2 2.3 139 KENDALL R.S. 7740 .3 .5 60* 1.7 1.8 94 LOOMIS PARK 8240 1.1 .8 138* 2.3 2.0 115 NEW FORK LAKE 8340 .7 .7 100* 1.2 1.6 75 POCKET CREEK 9360 2.9 -M * 2.9 -M * SNIDER BASIN 8060 .9 .3 300* 1.9 1.6 119 SPRING CREEK DIVIDE 9000 2.2 1.3 169* 2.7 2.5 108 TRIPLE PEAK 8500 2.5 1.4 179* 2.5 2.5 100 ----- ----- Basin Index (%) 152* 110 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 2.5 -M * BUCK PASTURE 9700 1.0 -M * 3.3 -M * EF BLACKS FORK GS 9360 .8 -M * 2.6 -M * HAMS FORK 7840 .6 .3 200* 2.6 1.6 162 HEWINTA 9519 -M .2 * 2.8 2.3 122 HICKERSON PARK 9145 .4 .4 100* 2.6 2.2 118 HOLE-IN-ROCK 9150 .3 .3 100* 2.2 2.2 100 INDIAN CREEK 9425 1.7 2.2 77* 2.9 2.6 112 KELLEY R.S. 8180 1.3 .7 186* 2.8 2.1 133 SPIRIT LK 10235 1.8 -M * 3.6 -M * STEEL CREEK PARK 10200 .2 1.6 12* 3.3 2.6 127 ----- ----- Basin Index (%) 82* 123 UPPER BEAR RIVER BEAR RIVER RS 8777 .5 -M * 2.5 -M * BUG LAKE 7950 .6 .7 86* 2.2 2.5 88 BURTS MILLER RANCH 8000 .3 -M * 1.5 -M * CHALK CREEK #1 8993 2.5 1.8 139* 3.7 3.5 106 HAYDEN FORK 9212 .5 .4 125* 3.4 2.9 117 KELLEY R.S. 8180 1.3 .7 186* 2.8 2.1 133 LILY LAKE 9156 .6 .8 75* 3.2 2.7 119 MONTE CRISTO 8960 1.5 .8 188* 2.8 3.2 88 SALT RIVER SUMMIT 7760 1.0 .3 333* 2.8 2.0 140 ----- ----- Basin Index (%) 145* 111 ----------------------------------------------------------------------------- -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.