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 14 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 2.6 1.5 173* 3.7 3.8 97 BLACK BEAR 8170 6.5 5.5 118 7.0 6.8 103 BLIND BULL SUM 8650 3.2 2.9 110 3.3 3.5 94 COTTONWOOD CREEK 7670 3.5 2.2 159 4.8 4.5 107 EAST RIM DIVIDE 7930 1.1 1.0 110* 2.3 2.3 100 GRAND TARGHEE 9260 9.2 7.0 131 8.0 8.0 100 GRANITE CREEK 6770 1.8 1.1 164* 3.2 3.4 94 GRASSY LAKE 7265 3.9 3.3 118 5.8 6.2 94 GROS VENTRE SUMMIT 8750 3.3 2.6 127 3.3 2.9 114 GUNSIGHT PASS 9820 3.5 2.3 152 3.7 3.2 116 LEWIS LAKE DIVIDE 7850 3.1 3.3 94 4.7 6.2 76 PHILLIPS BENCH 8200 3.8 2.8 136 4.8 4.6 104 SALT RIVER SUMMIT 7760 1.3 .8 162* 3.2 2.8 114 SNAKE RIVER STATION 6920 2.3 1.2 192* 3.7 4.2 88 SPRING CREEK DIVIDE 9000 2.9 2.9 100 3.6 4.2 86 THUMB DIVIDE 7980 1.7 1.8 94 2.8 3.6 78 TOGWOTEE PASS 9580 6.0 4.4 136 5.0 4.8 104 TWO OCEAN PLATEAU 9240 6.5 5.3 123 5.2 5.3 98 WILLOW CREEK 8380 4.1 3.0 137 7.3 6.2 118 YOUNTS PEAK 8350 -M 2.7 * -M 3.6 * ----- ----- Basin Index (%) 128 99 MADISON-GALLATIN BLACK BEAR 8170 6.5 5.5 118 7.0 6.8 103 CANYON 7870 1.9 1.6 119 3.4 3.3 103 MADISON PLATEAU 7750 2.3 2.7 85 4.3 4.7 91 WEST YELLOWSTONE 6700 1.1 .9 122* 2.2 3.0 73 WHISKEY CREEK 6800 1.6 1.6 100 2.9 3.9 74 ----- ----- Basin Index (%) 109 91 YELLOWSTONE BEARTOOTH LAKE 9360 4.7 4.3 109 3.7 3.7 100 BURNT MTN 5880 1.3 .0 * 6.4 4.2 152 CANYON 7870 1.9 1.6 119 3.4 3.3 103 COLE CREEK 7850 5.0 3.4 147 4.3 4.0 108 EVENING STAR 9200 6.3 4.2 150 6.3 5.6 112 FISHER CREEK 9100 6.5 5.2 125 5.7 6.1 93 NORTHEAST ENTRANCE 7350 .9 .7 129* 2.0 2.8 71 PARKER PEAK 9400 6.1 4.0 152 5.3 4.0 132 SYLVAN LAKE 8420 4.2 3.1 135 5.8 4.9 118 THUMB DIVIDE 7980 1.7 1.8 94 2.8 3.6 78 TWO OCEAN PLATEAU 9240 6.5 5.3 123 5.2 5.3 98 WHITE MILL 8700 5.1 3.8 134 4.3 4.8 90 WOLVERINE 7650 .7 .8 88* 2.5 2.9 86 ----- ----- Basin Index (%) 133 105 WIND RIVER BURROUGHS CREEK 8750 -M 2.0 * -M 3.2 * CASTLE CREEK 8400 .5 -M * 2.4 -M * COLD SPRINGS 9630 2.9 1.6 181 4.4 2.8 157 DEER PARK 9700 3.0 3.0 100 3.6 4.3 84 HOBBS PARK 10100 4.2 3.0 140 4.4 3.3 133 KIRWIN 9550 4.2 2.5 168 3.3 2.9 114 LITTLE WARM 9370 3.2 2.0 160 4.1 3.0 137 OWL CREEK 8975 2.2 1.2 183 2.4 1.7 141 SOUTH PASS 9040 2.4 2.5 96 3.3 3.7 89 ST. LAWRENCE ALT 8620 1.6 1.3 123 4.1 2.4 171 TOGWOTEE PASS 9580 6.0 4.4 136 5.0 4.8 104 TOWNSEND CREEK 8700 1.7 1.6 106 3.3 3.1 106 ----- ----- Basin Index (%) 136 118 BIGHORN BASIN BALD MTN. 9380 6.3 4.2 150 5.1 3.9 131 BEAR TRAP MEADOW 8200 2.8 .9 311 4.2 2.4 175 BONE SPRINGS DIV 9350 4.2 3.8 111 3.7 3.8 97 GRAVE SPRINGS 8550 3.8 1.4 271 4.6 3.0 153 KIRWIN 9550 4.2 2.5 168 3.3 2.9 114 MARQUETTE 8760 3.6 -M * 4.5 -M * MIDDLE POWDER 7760 5.3 1.7 312 5.4 3.4 159 OWL CREEK 8975 2.2 1.2 183 2.4 1.7 141 POWDER RIVER PASS 9480 3.8 2.0 190 4.2 3.1 135 SHELL CREEK 9580 4.6 3.8 121 3.7 3.4 109 TIMBER CREEK 7950 2.3 1.1 209 3.9 2.6 150 ----- ----- Basin Index (%) 175 134 SHOSHONE RIVER BLACKWATER 9780 6.8 4.3 158 4.5 4.5 100 EVENING STAR 9200 6.3 4.2 150 6.3 5.6 112 MARQUETTE 8760 3.6 -M * 4.5 -M * SYLVAN ROAD 7120 2.1 1.2 175 4.6 3.8 121 YOUNTS PEAK 8350 -M 2.7 * -M 3.6 * ----- ----- Basin Index (%) 157 111 POWDER RIVER BEAR TRAP MEADOW 8200 2.8 .9 311 4.2 2.4 175 CLOUD PEAK RESERVOIR 9860 4.1 2.8 146 5.3 3.7 143 GRAVE SPRINGS 8550 3.8 1.4 271 4.6 3.0 153 HANSEN SAWMILL 8360 2.9 .9 322 4.3 2.5 172 MIDDLE POWDER 7760 5.3 1.7 312 5.4 3.4 159 POWDER RIVER PASS 9480 3.8 2.0 190 4.2 3.1 135 SOLDIER PARK 8720 2.2 -M * 4.1 -M * ----- ----- Basin Index (%) 234 155 TONGUE RIVER BIG GOOSE 7990 2.6 1.4 186 5.0 3.2 156 BONE SPRINGS DIV 9350 4.2 3.8 111 3.7 3.8 97 BURGESS JUNCTION 7880 3.2 2.1 152 5.0 3.3 152 DOME LAKE 8880 2.0 2.6 77 4.2 3.8 111 LITTLE GOOSE 8870 3.3 -M * 5.8 -M * SUCKER CREEK 8880 4.6 2.4 192 5.8 3.7 157 TIE CREEK 6870 1.2 .5 240* 4.9 3.4 144 ----- ----- Basin Index (%) 139 135 BELLE FOURCHE COLE CANYON 5910 1.6 .3 533* 7.6 2.8 271 ----- ----- Basin Index (%) 533* 271 CHEYENNE RIVER BASIN BLIND PARK 6890 2.3 1.1 209 8.1 3.5 231 NORTH RAPID CREEK 6130 3.2 .9 356 8.1 3.1 261 ----- ----- Basin Index (%) 275 245 UPPER N. PLATTE ARAPAHO RIDGE 10960 4.3 3.9 110 4.9 5.0 98 BLACKHALL MTN 9820 5.6 -M * 7.0 -M * COLUMBINE 9160 2.5 2.2 114* 5.3 4.6 115 DIVIDE PEAK 8880 3.5 2.8 125 6.5 4.8 135 JOE WRIGHT 10120 2.9 4.1 71 6.8 5.7 119 LAPRELE CREEK 8375 1.2 1.4 86 3.3 3.0 110 MED BOW 10500 6.3 -M * 8.1 -M * NORTH FRENCH CREEK 10130 6.5 4.3 151 8.2 5.2 158 NEVER SUMMER 10280 4.2 3.6 117 4.8 -M * OLD BATTLE 10000 5.8 5.1 114 7.1 6.6 108 RAWAH 9020 2.5 1.3 192 5.5 3.8 145 SAGE CREEK BASIN 7850 1.3 1.5 87 4.0 3.4 118 SAND LAKE 10050 6.0 4.5 133 6.7 5.0 134 SOUTH BRUSH CREEK 8440 3.0 1.4 214 5.4 3.5 154 TOWER 10500 8.5 7.3 116 9.5 7.6 125 WEBBER SPRINGS 9250 3.1 2.7 115 5.3 5.1 104 WILLOW CREEK PASS 9540 3.1 2.2 141 3.7 3.1 119 ZIRKEL 9340 2.3 2.4 96* 5.4 6.0 90 ----- ----- Basin Index (%) 120 121 SWEETWATER DEER PARK 9700 3.0 3.0 100 3.6 4.3 84 LARSEN CREEK 9000 .1 -M * 2.4 -M * SOUTH PASS 9040 2.4 2.5 96 3.3 3.7 89 ----- ----- Basin Index (%) 98 86 LOWER N. PLATTE CASPER MTN. 7900 6.9 2.2 314 6.7 4.0 168 LAPRELE CREEK 8375 1.2 1.4 86 3.3 3.0 110 RENO HILL 8400 6.3 2.4 262 8.1 3.8 213 WINDY PEAK 7900 1.0 1.2 83 3.5 2.6 135 ----- ----- Basin Index (%) 214 161 LARAMIE RIVER BROOKLYN LAKE 10240 3.0 2.5 120 4.0 3.8 105 CINNABAR PARK 9574 3.7 2.9 128 5.3 4.5 118 CROW CREEK 8330 1.3 .7 186* 3.7 2.6 142 DEADMAN HILL 10220 4.2 3.1 135 5.1 3.8 134 RAWAH 9020 2.5 1.3 192 5.5 3.8 145 ROACH 9700 3.1 2.4 129 5.0 3.8 132 ----- ----- Basin Index (%) 138 128 S. PLATTE BLACK MOUNTAIN 8920 2.2 -M * 3.5 -M * CROW CREEK 8330 1.3 .7 186* 3.7 2.6 142 DEADMAN HILL 10220 4.2 3.1 135 5.1 3.8 134 ----- ----- Basin Index (%) 145* 138 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 2.1 .6 350* 4.8 3.3 145 DIVIDE PEAK 8880 3.5 2.8 125 6.5 4.8 135 ELK RIVER 8700 2.0 1.0 200* 5.0 3.9 128 LITTLE SNAKE RIVER 8915 3.0 2.3 130* 7.4 6.4 116 OLD BATTLE 10000 5.8 5.1 114 7.1 6.6 108 SAGE CREEK BASIN 7850 1.3 1.5 87 4.0 3.4 118 SANDSTONE RS 8150 1.7 .9 189* 5.1 3.7 138 WHISKEY PARK 8950 5.4 2.8 193 7.9 4.9 161 ----- ----- Basin Index (%) 146 129 UPPER GREEN RIVER BIG SANDY OPENING 9080 2.0 2.7 74 2.1 2.9 72 BLIND BULL SUM 8650 3.2 2.9 110 3.3 3.5 94 EAST RIM DIVIDE 7930 1.1 1.0 110* 2.3 2.3 100 ELKHART PARK G.S. 9400 2.3 2.1 110 2.7 3.0 90 GROS VENTRE SUMMIT 8750 3.3 2.6 127 3.3 2.9 114 GUNSIGHT PASS 9820 3.5 2.3 152 3.7 3.2 116 KENDALL R.S. 7740 -M 1.4 * -M 2.7 * LOOMIS PARK 8240 2.2 1.9 116 3.4 3.2 106 NEW FORK LAKE 8340 .8 1.5 53 1.5 2.4 62 POCKET CREEK 9360 3.3 -M * 2.9 -M * SNIDER BASIN 8060 1.4 1.3 108 2.3 2.6 88 SPRING CREEK DIVIDE 9000 2.9 2.9 100 3.6 4.2 86 TRIPLE PEAK 8500 2.8 2.6 108 4.1 4.3 95 ----- ----- Basin Index (%) 107 94 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 2.8 -M * BUCK PASTURE 9700 1.2 -M * 3.6 -M * EF BLACKS FORK GS 9360 1.0 -M * 2.8 -M * HAMS FORK 7840 .1 .9 11* 2.8 2.4 117 HEWINTA 9519 .4 1.0 40* 3.0 3.2 94 HICKERSON PARK 9145 1.9 1.0 190 3.1 2.9 107 HOLE-IN-ROCK 9150 .6 .9 67 2.7 2.8 96 INDIAN CREEK 9425 2.3 3.5 66 3.4 4.0 85 KELLEY R.S. 8180 1.6 1.6 100 3.2 3.3 97 SPIRIT LK 10235 2.0 -M * 3.9 -M * STEEL CREEK PARK 10200 .2 2.7 7 3.5 3.7 95 ----- ----- Basin Index (%) 61* 97 UPPER BEAR RIVER BEAR RIVER RS 8777 .2 -M * 2.7 -M * BUG LAKE 7950 1.1 1.7 65* 2.4 3.6 67 BURTS MILLER RANCH 8000 .2 -M * 1.6 -M * CHALK CREEK #1 8993 2.9 3.1 94 4.2 5.1 82 HAYDEN FORK 9212 .5 1.4 36* 3.7 4.2 88 KELLEY R.S. 8180 1.6 1.6 100 3.2 3.3 97 LILY LAKE 9156 1.1 1.5 73 3.7 3.8 97 MONTE CRISTO 8960 1.9 2.1 90* 3.2 4.7 68 SALT RIVER SUMMIT 7760 1.3 .8 162* 3.2 2.8 114 ----- ----- Basin Index (%) 85* 86 ----------------------------------------------------------------------------- -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.