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 TUESDAY: NOVEMBER 12 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 2.3 1.3 177* 3.6 3.5 103 BLACK BEAR 8170 6.3 5.0 126 6.6 6.2 106 BLIND BULL SUM 8650 3.1 2.7 115 3.3 3.2 103 COTTONWOOD CREEK 7670 3.4 2.0 170* 4.7 4.2 112 EAST RIM DIVIDE 7930 1.0 .9 111* 2.3 2.1 110 GRAND TARGHEE 9260 8.7 6.4 136 7.6 7.4 103 GRANITE CREEK 6770 1.6 1.0 160* 3.1 3.1 100 GRASSY LAKE 7265 3.4 2.9 117* 5.1 5.7 89 GROS VENTRE SUMMIT 8750 3.2 2.4 133 3.1 2.6 119 GUNSIGHT PASS 9820 3.3 2.1 157 3.5 3.0 117 LEWIS LAKE DIVIDE 7850 2.9 2.8 104* 4.3 5.5 78 PHILLIPS BENCH 8200 3.6 2.6 138 4.7 4.2 112 SALT RIVER SUMMIT 7760 1.2 .7 171* 3.2 2.6 123 SNAKE RIVER STATION 6920 2.0 1.1 182* 3.4 4.0 85 SPRING CREEK DIVIDE 9000 2.9 2.7 107 3.5 3.8 92 THUMB DIVIDE 7980 1.5 1.7 88 2.7 3.4 79 TOGWOTEE PASS 9580 5.6 4.0 140 4.7 4.4 107 TWO OCEAN PLATEAU 9240 6.2 5.1 122 4.8 4.9 98 WILLOW CREEK 8380 4.0 2.6 154* 7.1 5.8 122 YOUNTS PEAK 8350 -M 2.5 * -M 3.3 * ----- ----- Basin Index (%) 132 102 MADISON-GALLATIN BLACK BEAR 8170 6.3 5.0 126 6.6 6.2 106 CANYON 7870 1.9 1.5 127 3.3 3.1 106 MADISON PLATEAU 7750 2.2 2.5 88 4.2 4.4 95 WEST YELLOWSTONE 6700 1.0 .8 125* 2.1 2.8 75 WHISKEY CREEK 6800 1.5 1.4 107* 2.8 3.6 78 ----- ----- Basin Index (%) 115 95 YELLOWSTONE BEARTOOTH LAKE 9360 4.7 4.1 115 3.5 3.4 103 BURNT MTN 5880 1.7 .0 * 6.2 4.0 155 CANYON 7870 1.9 1.5 127 3.3 3.1 106 COLE CREEK 7850 5.0 3.3 152 4.3 3.9 110 EVENING STAR 9200 6.1 4.0 152 6.2 5.2 119 FISHER CREEK 9100 6.6 4.9 135 5.6 5.7 98 NORTHEAST ENTRANCE 7350 1.0 .6 167* 2.0 2.7 74 PARKER PEAK 9400 6.0 3.8 158 5.2 3.8 137 SYLVAN LAKE 8420 4.0 2.9 138 5.6 4.6 122 THUMB DIVIDE 7980 1.5 1.7 88 2.7 3.4 79 TWO OCEAN PLATEAU 9240 6.2 5.1 122 4.8 4.9 98 WHITE MILL 8700 5.1 3.5 146 4.1 4.5 91 WOLVERINE 7650 .8 .6 133* 2.2 2.7 81 ----- ----- Basin Index (%) 141 107 WIND RIVER BURROUGHS CREEK 8750 -M 1.9 * -M 3.0 * CASTLE CREEK 8400 .4 -M * 2.3 -M * COLD SPRINGS 9630 2.8 1.5 187 4.3 2.6 165 DEER PARK 9700 2.9 2.7 107 3.5 4.2 83 HOBBS PARK 10100 4.2 2.8 150 4.1 3.1 132 KIRWIN 9550 4.1 2.4 171 3.2 2.8 114 LITTLE WARM 9370 3.1 1.9 163 3.9 2.7 144 OWL CREEK 8975 2.1 1.2 175 2.3 1.7 135 SOUTH PASS 9040 2.4 2.2 109 3.2 3.5 91 ST. LAWRENCE ALT 8620 1.3 1.1 118 3.7 2.3 161 TOGWOTEE PASS 9580 5.6 4.0 140 4.7 4.4 107 TOWNSEND CREEK 8700 1.7 1.5 113 3.1 2.9 107 ----- ----- Basin Index (%) 142 119 BIGHORN BASIN BALD MTN. 9380 6.2 4.0 155 4.9 3.7 132 BEAR TRAP MEADOW 8200 2.7 .8 338 4.1 2.3 178 BONE SPRINGS DIV 9350 4.1 3.6 114 3.6 3.6 100 GRAVE SPRINGS 8550 3.8 1.3 292 4.5 2.8 161 KIRWIN 9550 4.1 2.4 171 3.2 2.8 114 MARQUETTE 8760 3.6 -M * 4.5 -M * MIDDLE POWDER 7760 5.3 1.6 331 5.3 3.2 166 OWL CREEK 8975 2.1 1.2 175 2.3 1.7 135 POWDER RIVER PASS 9480 3.7 1.9 195 4.1 2.9 141 SHELL CREEK 9580 4.4 3.7 119 3.6 3.2 112 TIMBER CREEK 7950 2.3 1.0 230 3.9 2.5 156 ----- ----- Basin Index (%) 180 138 SHOSHONE RIVER BLACKWATER 9780 6.5 4.1 159 4.2 4.2 100 EVENING STAR 9200 6.1 4.0 152 6.2 5.2 119 MARQUETTE 8760 3.6 -M * 4.5 -M * SYLVAN ROAD 7120 2.0 1.1 182* 4.4 3.6 122 YOUNTS PEAK 8350 -M 2.5 * -M 3.3 * ----- ----- Basin Index (%) 159* 114 POWDER RIVER BEAR TRAP MEADOW 8200 2.7 .8 338 4.1 2.3 178 CLOUD PEAK RESERVOIR 9860 3.9 2.7 144 4.8 3.5 137 GRAVE SPRINGS 8550 3.8 1.3 292 4.5 2.8 161 HANSEN SAWMILL 8360 2.9 .9 322 4.1 2.4 171 MIDDLE POWDER 7760 5.3 1.6 331 5.3 3.2 166 POWDER RIVER PASS 9480 3.7 1.9 195 4.1 2.9 141 SOLDIER PARK 8720 2.2 -M * 4.0 -M * ----- ----- Basin Index (%) 242 157 TONGUE RIVER BIG GOOSE 7990 2.6 1.4 186 4.8 3.0 160 BONE SPRINGS DIV 9350 4.1 3.6 114 3.6 3.6 100 BURGESS JUNCTION 7880 3.2 1.9 168 4.8 3.1 155 DOME LAKE 8880 1.8 2.5 72 4.0 3.6 111 LITTLE GOOSE 8870 3.4 -M * 5.7 -M * SUCKER CREEK 8880 4.6 2.3 200 5.5 3.6 153 TIE CREEK 6870 1.4 .4 350* 4.8 3.2 150 ----- ----- Basin Index (%) 146 137 BELLE FOURCHE COLE CANYON 5910 1.0 .2 500* 7.4 2.7 274 ----- ----- Basin Index (%) 500* 274 CHEYENNE RIVER BASIN BLIND PARK 6890 2.0 1.1 182 7.9 3.4 232 NORTH RAPID CREEK 6130 3.1 .9 344 7.8 3.0 260 ----- ----- Basin Index (%) 255 245 UPPER N. PLATTE ARAPAHO RIDGE 10960 4.3 3.6 119 4.9 4.7 104 BLACKHALL MTN 9820 5.5 -M * 6.8 -M * COLUMBINE 9160 2.5 1.9 132* 5.2 4.3 121 DIVIDE PEAK 8880 3.3 2.6 127 6.4 4.5 142 JOE WRIGHT 10120 2.8 3.9 72 6.6 5.3 125 LAPRELE CREEK 8375 1.1 1.3 85 3.2 2.8 114 MED BOW 10500 6.2 -M * 7.9 -M * NORTH FRENCH CREEK 10130 6.3 4.0 158 8.0 4.9 163 NEVER SUMMER 10280 4.1 3.2 128 4.8 -M * OLD BATTLE 10000 5.7 4.6 124 7.0 6.2 113 RAWAH 9020 2.5 1.1 227 5.4 3.4 159 SAGE CREEK BASIN 7850 1.3 1.3 100 3.9 3.1 126 SAND LAKE 10050 5.9 4.3 137 6.7 4.7 143 SOUTH BRUSH CREEK 8440 2.9 1.2 242* 5.3 3.3 161 TOWER 10500 8.5 6.7 127 9.5 7.1 134 WEBBER SPRINGS 9250 3.0 2.5 120 5.2 4.8 108 WILLOW CREEK PASS 9540 3.2 2.0 160 3.6 3.0 120 ZIRKEL 9340 2.3 2.0 115* 5.2 5.5 95 ----- ----- Basin Index (%) 129 127 SWEETWATER DEER PARK 9700 2.9 2.7 107 3.5 4.2 83 LARSEN CREEK 9000 .1 -M * 2.4 -M * SOUTH PASS 9040 2.4 2.2 109 3.2 3.5 91 ----- ----- Basin Index (%) 108 87 LOWER N. PLATTE CASPER MTN. 7900 6.8 1.9 358 6.7 3.8 176 LAPRELE CREEK 8375 1.1 1.3 85 3.2 2.8 114 RENO HILL 8400 6.2 2.3 270 7.9 3.6 219 WINDY PEAK 7900 1.0 1.0 100 3.5 2.5 140 ----- ----- Basin Index (%) 232 168 LARAMIE RIVER BROOKLYN LAKE 10240 2.9 2.3 126* 4.0 3.6 111 CINNABAR PARK 9574 3.7 2.6 142 5.2 4.0 130 CROW CREEK 8330 1.3 .5 260* 3.7 2.4 154 DEADMAN HILL 10220 4.2 2.8 150 5.1 3.5 146 RAWAH 9020 2.5 1.1 227 5.4 3.4 159 ROACH 9700 3.1 2.2 141 4.9 3.6 136 ----- ----- Basin Index (%) 154 138 S. PLATTE BLACK MOUNTAIN 8920 2.2 -M * 3.5 -M * CROW CREEK 8330 1.3 .5 260* 3.7 2.4 154 DEADMAN HILL 10220 4.2 2.8 150 5.1 3.5 146 ----- ----- Basin Index (%) 167* 149 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.0 .5 400* 4.6 3.0 153 DIVIDE PEAK 8880 3.3 2.6 127 6.4 4.5 142 ELK RIVER 8700 1.9 .8 238* 4.8 3.6 133 LITTLE SNAKE RIVER 8915 2.8 1.9 147* 7.2 5.8 124 OLD BATTLE 10000 5.7 4.6 124 7.0 6.2 113 SAGE CREEK BASIN 7850 1.3 1.3 100 3.9 3.1 126 SANDSTONE RS 8150 1.6 .8 200* 5.0 3.5 143 WHISKEY PARK 8950 5.2 2.5 208* 7.8 4.5 173 ----- ----- Basin Index (%) 159* 137 UPPER GREEN RIVER BIG SANDY OPENING 9080 1.9 2.6 73 2.1 2.6 81 BLIND BULL SUM 8650 3.1 2.7 115 3.3 3.2 103 EAST RIM DIVIDE 7930 1.0 .9 111* 2.3 2.1 110 ELKHART PARK G.S. 9400 2.3 1.9 121 2.7 2.8 96 GROS VENTRE SUMMIT 8750 3.2 2.4 133 3.1 2.6 119 GUNSIGHT PASS 9820 3.3 2.1 157 3.5 3.0 117 KENDALL R.S. 7740 -M 1.2 * -M 2.5 * LOOMIS PARK 8240 1.9 1.7 112 3.2 2.9 110 NEW FORK LAKE 8340 1.1 1.3 85 1.4 2.2 64 POCKET CREEK 9360 3.2 -M * 2.9 -M * SNIDER BASIN 8060 1.2 1.1 109* 2.1 2.3 91 SPRING CREEK DIVIDE 9000 2.9 2.7 107 3.5 3.8 92 TRIPLE PEAK 8500 2.6 2.4 108 3.9 4.0 98 ----- ----- Basin Index (%) 112 99 LOWER GREEN RIVER BLACKS FORK JCT 8870 .3 -M * 2.7 -M * BUCK PASTURE 9700 1.1 -M * 3.6 -M * EF BLACKS FORK GS 9360 1.0 -M * 2.7 -M * HAMS FORK 7840 .2 .8 25* 2.8 2.2 127 HEWINTA 9519 .0 .8 0* 2.9 3.1 94 HICKERSON PARK 9145 1.8 .9 200 2.9 2.7 107 HOLE-IN-ROCK 9150 .3 .8 38 2.6 2.7 96 INDIAN CREEK 9425 2.2 3.2 69 3.4 3.6 94 KELLEY R.S. 8180 1.5 1.4 107* 3.0 3.0 100 SPIRIT LK 10235 1.9 -M * 3.9 -M * STEEL CREEK PARK 10200 .3 2.6 12 3.5 3.4 103 ----- ----- Basin Index (%) 60* 102 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 2.6 -M * BUG LAKE 7950 1.6 1.4 114* 2.4 3.4 71 BURTS MILLER RANCH 8000 .2 -M * 1.6 -M * CHALK CREEK #1 8993 2.9 2.9 100 4.2 4.7 89 HAYDEN FORK 9212 .6 1.2 50* 3.7 3.9 95 KELLEY R.S. 8180 1.5 1.4 107* 3.0 3.0 100 LILY LAKE 9156 1.0 1.4 71 3.7 3.6 103 MONTE CRISTO 8960 1.8 1.9 95* 3.3 4.3 77 SALT RIVER SUMMIT 7760 1.2 .7 171* 3.2 2.6 123 ----- ----- Basin Index (%) 97* 92 ----------------------------------------------------------------------------- -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.