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 21 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 4.1 2.3 178 5.2 4.7 111 BLACK BEAR 8170 10.6 6.9 154 10.4 8.1 128 BLIND BULL SUM 8650 5.1 3.7 138 4.6 4.3 107 COTTONWOOD CREEK 7670 4.5 2.9 155 5.9 5.4 109 EAST RIM DIVIDE 7930 1.9 1.4 136 3.1 2.7 115 GRAND TARGHEE 9260 12.4 8.8 141 9.6 8.9 108 GRANITE CREEK 6770 2.6 1.5 173 4.2 4.1 102 GRASSY LAKE 7265 6.7 4.5 149 8.4 7.4 114 GROS VENTRE SUMMIT 8750 4.3 2.9 148 4.2 3.3 127 GUNSIGHT PASS 9820 4.2 2.6 162 4.2 3.5 120 LEWIS LAKE DIVIDE 7850 6.3 5.0 126 7.9 7.4 107 PHILLIPS BENCH 8200 5.3 3.8 139 6.4 5.5 116 SALT RIVER SUMMIT 7760 2.2 1.2 183* 4.2 3.4 124 SNAKE RIVER STATION 6920 3.8 1.8 211 5.5 5.0 110 SPRING CREEK DIVIDE 9000 4.1 3.8 108 4.8 5.0 96 THUMB DIVIDE 7980 3.2 2.2 145 4.2 4.3 98 TOGWOTEE PASS 9580 7.2 5.4 133 6.3 5.7 111 TWO OCEAN PLATEAU 9240 8.6 6.7 128 6.9 6.3 110 WILLOW CREEK 8380 5.8 3.9 149 9.0 7.4 122 YOUNTS PEAK 8350 -M 3.2 * -M 4.1 * ----- ----- Basin Index (%) 144 112 MADISON-GALLATIN BLACK BEAR 8170 10.6 6.9 154 10.4 8.1 128 CANYON 7870 2.4 2.0 120 3.8 3.8 100 MADISON PLATEAU 7750 4.9 3.7 132 6.5 5.4 120 WEST YELLOWSTONE 6700 2.4 1.3 185 3.6 3.3 109 WHISKEY CREEK 6800 3.1 2.1 148 4.7 4.5 104 ----- ----- Basin Index (%) 146 116 YELLOWSTONE BEARTOOTH LAKE 9360 5.7 5.0 114 4.5 4.3 105 BURNT MTN 5880 1.5 .6 250 6.5 4.6 141 CANYON 7870 2.4 2.0 120 3.8 3.8 100 COLE CREEK 7850 5.2 3.4 153 4.5 4.3 105 EVENING STAR 9200 8.3 5.5 151 8.2 6.6 124 FISHER CREEK 9100 8.9 6.6 135 7.8 7.2 108 NORTHEAST ENTRANCE 7350 1.4 1.1 127 2.4 3.4 71 PARKER PEAK 9400 7.3 4.8 152 6.6 4.6 143 SYLVAN LAKE 8420 4.9 3.9 126 6.6 5.7 116 THUMB DIVIDE 7980 3.2 2.2 145 4.2 4.3 98 TWO OCEAN PLATEAU 9240 8.6 6.7 128 6.9 6.3 110 WHITE MILL 8700 6.2 4.6 135 5.3 5.6 95 WOLVERINE 7650 1.6 1.2 133 3.0 3.3 91 ----- ----- Basin Index (%) 137 110 WIND RIVER BURROUGHS CREEK 8750 -M 2.9 * -M 3.8 * CASTLE CREEK 8400 .9 -M * 2.8 -M * COLD SPRINGS 9630 3.0 1.8 167 4.6 3.1 148 DEER PARK 9700 3.8 3.4 112 1.5 4.8 31 HOBBS PARK 10100 4.6 3.8 121 4.6 3.7 124 KIRWIN 9550 4.9 2.9 169 3.9 3.3 118 LITTLE WARM 9370 3.7 2.3 161 4.8 3.4 141 OWL CREEK 8975 2.3 1.4 164 2.5 2.0 125 SOUTH PASS 9040 3.3 3.0 110 3.9 4.3 91 ST. LAWRENCE ALT 8620 2.0 1.6 125 4.3 2.8 154 TOGWOTEE PASS 9580 7.2 5.4 133 6.3 5.7 111 TOWNSEND CREEK 8700 2.0 2.0 100 3.4 3.5 97 ----- ----- Basin Index (%) 133 109 BIGHORN BASIN BALD MTN. 9380 7.0 4.7 149 5.6 4.4 127 BEAR TRAP MEADOW 8200 3.0 1.1 273 4.3 2.7 159 BONE SPRINGS DIV 9350 5.0 4.3 116 4.3 4.2 102 GRAVE SPRINGS 8550 3.9 1.5 260 4.8 3.2 150 KIRWIN 9550 4.9 2.9 169 3.9 3.3 118 MARQUETTE 8760 3.7 -M * 4.7 -M * MIDDLE POWDER 7760 5.5 2.0 275 5.5 3.8 145 OWL CREEK 8975 2.3 1.4 164 2.5 2.0 125 POWDER RIVER PASS 9480 4.3 2.2 195 4.6 3.4 135 SHELL CREEK 9580 5.2 4.1 127 4.3 3.8 113 TIMBER CREEK 7950 2.4 1.4 171 4.1 2.9 141 ----- ----- Basin Index (%) 170 130 SHOSHONE RIVER BLACKWATER 9780 8.2 5.3 155 5.8 5.2 112 EVENING STAR 9200 8.3 5.5 151 8.2 6.6 124 MARQUETTE 8760 3.7 -M * 4.7 -M * SYLVAN ROAD 7120 2.6 1.7 153 5.3 4.5 118 YOUNTS PEAK 8350 -M 3.2 * -M 4.1 * ----- ----- Basin Index (%) 153 118 POWDER RIVER BEAR TRAP MEADOW 8200 3.0 1.1 273 4.3 2.7 159 CLOUD PEAK RESERVOIR 9860 4.6 3.3 139 5.8 4.1 141 GRAVE SPRINGS 8550 3.9 1.5 260 4.8 3.2 150 HANSEN SAWMILL 8360 3.0 1.2 250 4.4 2.7 163 MIDDLE POWDER 7760 5.5 2.0 275 5.5 3.8 145 POWDER RIVER PASS 9480 4.3 2.2 195 4.6 3.4 135 SOLDIER PARK 8720 2.7 -M * 4.5 -M * ----- ----- Basin Index (%) 215 148 TONGUE RIVER BIG GOOSE 7990 2.8 1.9 147 5.1 3.5 146 BONE SPRINGS DIV 9350 5.0 4.3 116 4.3 4.2 102 BURGESS JUNCTION 7880 3.6 2.5 144 5.2 3.6 144 DOME LAKE 8880 1.9 3.0 63 4.2 4.2 100 LITTLE GOOSE 8870 3.6 -M * 6.1 -M * SUCKER CREEK 8880 5.0 2.8 179 6.2 4.1 151 TIE CREEK 6870 1.3 .6 217 5.3 3.7 143 ----- ----- Basin Index (%) 130 130 BELLE FOURCHE COLE CANYON 5910 1.1 .6 183 7.7 3.1 248 ----- ----- Basin Index (%) 183 248 CHEYENNE RIVER BASIN BLIND PARK 6890 2.5 1.3 192 8.4 3.9 215 NORTH RAPID CREEK 6130 3.3 1.0 330 8.4 3.3 255 ----- ----- Basin Index (%) 252 233 UPPER N. PLATTE ARAPAHO RIDGE 10960 6.3 4.8 131 6.6 5.8 114 BLACKHALL MTN 9820 8.2 -M * 9.5 -M * COLUMBINE 9160 4.9 3.4 144 7.5 5.5 136 DIVIDE PEAK 8880 4.8 3.5 137 7.9 5.5 144 JOE WRIGHT 10120 3.0 4.8 62 7.9 6.6 120 LAPRELE CREEK 8375 1.0 1.9 53 3.3 3.4 97 MED BOW 10500 7.8 -M * 9.5 -M * NORTH FRENCH CREEK 10130 7.6 5.0 152 9.4 6.1 154 NEVER SUMMER 10280 5.8 4.2 138 5.7 -M * OLD BATTLE 10000 8.0 6.1 131 9.5 8.0 119 RAWAH 9020 3.3 1.9 174 6.3 4.2 150 SAGE CREEK BASIN 7850 2.0 1.7 118 4.7 3.6 131 SAND LAKE 10050 7.4 5.5 135 7.9 5.9 134 SOUTH BRUSH CREEK 8440 3.3 1.9 174 5.8 4.0 145 TOWER 10500 10.9 9.0 121 12.8 9.1 141 WEBBER SPRINGS 9250 4.8 3.7 130 7.1 6.1 116 WILLOW CREEK PASS 9540 4.2 2.9 145 4.7 3.6 131 ZIRKEL 9340 4.9 3.4 144 8.0 6.9 116 ----- ----- Basin Index (%) 129 130 SWEETWATER DEER PARK 9700 3.8 3.4 112 1.5 4.8 31 LARSEN CREEK 9000 .6 -M * 3.2 -M * SOUTH PASS 9040 3.3 3.0 110 3.9 4.3 91 ----- ----- Basin Index (%) 111 59 LOWER N. PLATTE CASPER MTN. 7900 6.8 2.9 234 7.0 4.5 156 LAPRELE CREEK 8375 1.0 1.9 53 3.3 3.4 97 RENO HILL 8400 6.2 2.6 238 7.9 4.2 188 WINDY PEAK 7900 1.1 1.4 79 3.7 3.0 123 ----- ----- Basin Index (%) 172 145 LARAMIE RIVER BROOKLYN LAKE 10240 4.4 3.6 122 5.2 4.6 113 CINNABAR PARK 9574 4.6 4.0 115 6.2 5.4 115 CROW CREEK 8330 1.2 1.2 100 3.8 3.0 127 DEADMAN HILL 10220 6.0 3.8 158 6.6 4.4 150 RAWAH 9020 3.3 1.9 174 6.3 4.2 150 ROACH 9700 4.2 3.0 140 6.2 4.6 135 ----- ----- Basin Index (%) 135 131 S. PLATTE BLACK MOUNTAIN 8920 3.0 -M * 4.3 -M * CROW CREEK 8330 1.2 1.2 100 3.8 3.0 127 DEADMAN HILL 10220 6.0 3.8 158 6.6 4.4 150 ----- ----- Basin Index (%) 144 141 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.7 .9 300* 6.0 3.8 158 DIVIDE PEAK 8880 4.8 3.5 137 7.9 5.5 144 ELK RIVER 8700 3.9 2.0 195 6.8 4.6 148 LITTLE SNAKE RIVER 8915 5.1 3.0 170 9.7 7.0 139 OLD BATTLE 10000 8.0 6.1 131 9.5 8.0 119 SAGE CREEK BASIN 7850 2.0 1.7 118 4.7 3.6 131 SANDSTONE RS 8150 2.8 1.2 233* 6.2 4.3 144 WHISKEY PARK 8950 7.9 3.7 214 10.7 5.8 184 ----- ----- Basin Index (%) 168 144 UPPER GREEN RIVER BIG SANDY OPENING 9080 3.0 3.0 100 2.9 3.3 88 BLIND BULL SUM 8650 5.1 3.7 138 4.6 4.3 107 EAST RIM DIVIDE 7930 1.9 1.4 136 3.1 2.7 115 ELKHART PARK G.S. 9400 3.0 2.6 115 3.2 3.4 94 GROS VENTRE SUMMIT 8750 4.3 2.9 148 4.2 3.3 127 GUNSIGHT PASS 9820 4.2 2.6 162 4.2 3.5 120 KENDALL R.S. 7740 1.9 1.8 106 3.1 3.2 97 LOOMIS PARK 8240 3.2 2.1 152 4.4 3.7 119 NEW FORK LAKE 8340 1.4 1.8 78 2.0 2.8 71 POCKET CREEK 9360 4.1 -M * 3.3 -M * SNIDER BASIN 8060 2.2 1.8 122 2.9 3.0 97 SPRING CREEK DIVIDE 9000 4.1 3.8 108 4.8 5.0 96 TRIPLE PEAK 8500 3.9 3.8 103 5.4 5.2 104 ----- ----- Basin Index (%) 122 103 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 3.4 -M * BUCK PASTURE 9700 2.1 -M * 4.4 -M * EF BLACKS FORK GS 9360 1.8 -M * 3.6 -M * HAMS FORK 7840 .8 1.5 53 3.3 2.7 122 HEWINTA 9519 .9 1.4 64 3.9 3.7 105 HICKERSON PARK 9145 2.1 1.3 162 3.6 3.2 112 HOLE-IN-ROCK 9150 1.1 1.2 92 3.2 3.1 103 INDIAN CREEK 9425 3.6 4.6 78 4.4 4.7 94 KELLEY R.S. 8180 2.6 2.3 113 4.2 3.9 108 SPIRIT LK 10235 2.4 -M * 4.4 -M * STEEL CREEK PARK 10200 .9 3.1 29 4.6 4.2 110 ----- ----- Basin Index (%) 78 107 UPPER BEAR RIVER BEAR RIVER RS 8777 1.0 -M * 3.4 -M * BUG LAKE 7950 2.3 2.5 92 3.7 4.3 86 BURTS MILLER RANCH 8000 .7 -M * 1.9 -M * CHALK CREEK #1 8993 4.5 3.8 118 5.6 6.0 93 HAYDEN FORK 9212 1.4 2.2 64 4.8 4.9 98 KELLEY R.S. 8180 2.6 2.3 113 4.2 3.9 108 LILY LAKE 9156 2.0 2.2 91 4.6 4.4 105 MONTE CRISTO 8960 3.5 3.4 103 4.3 5.6 77 SALT RIVER SUMMIT 7760 2.2 1.2 183* 4.2 3.4 124 ----- ----- Basin Index (%) 105 97 ----------------------------------------------------------------------------- -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.