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: FEBRUARY 11 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 13.7 11.7 117 15.0 15.0 100 BLACK BEAR 8170 23.6 26.0 91 23.0 26.6 86 BLIND BULL SUM 8650 19.4 15.3 127 13.8 13.8 100 COTTONWOOD CREEK 7670 18.4 13.9 132 20.2 17.0 119 EAST RIM DIVIDE 7930 10.2 7.1 144 9.0 8.2 110 GRAND TARGHEE 9260 30.1 25.2 119 21.9 22.2 99 GRANITE CREEK 6770 12.4 11.7 106 13.5 14.6 92 GRASSY LAKE 7265 22.7 22.5 101 23.4 25.7 91 GROS VENTRE SUMMIT 8750 8.9 8.8 101 8.2 8.8 93 GUNSIGHT PASS 9820 11.1 8.8 126 10.5 9.6 109 LEWIS LAKE DIVIDE 7850 19.9 22.1 90 22.6 24.9 91 PHILLIPS BENCH 8200 17.9 17.1 105 18.6 19.6 95 SALT RIVER SUMMIT 7760 10.5 8.6 122 12.2 11.5 106 SNAKE RIVER STATION 6920 12.0 12.4 97 15.0 16.6 90 SPRING CREEK DIVIDE 9000 19.5 15.9 123 19.1 16.6 115 THUMB DIVIDE 7980 9.4 10.1 93 9.6 12.9 74 TOGWOTEE PASS 9580 18.9 15.9 119 18.7 17.0 110 TWO OCEAN PLATEAU 9240 22.6 19.0 119 18.0 18.6 97 WILLOW CREEK 8380 21.8 18.3 119 24.5 23.1 106 YOUNTS PEAK 8350 -M 10.3 * -M 11.2 * ----- ----- Basin Index (%) 111 98 MADISON-GALLATIN BLACK BEAR 8170 23.6 26.0 91 23.0 26.6 86 CANYON 7870 8.9 8.8 101 10.5 11.6 91 MADISON PLATEAU 7750 13.7 15.2 90 14.5 18.5 78 WEST YELLOWSTONE 6700 8.2 7.4 111 9.3 10.4 89 WHISKEY CREEK 6800 10.1 10.1 100 12.2 14.1 87 ----- ----- Basin Index (%) 96 86 YELLOWSTONE BEARTOOTH LAKE 9360 16.6 14.9 111 15.2 13.8 110 BURNT MTN 5880 6.7 3.0 223 12.9 8.4 154 CANYON 7870 8.9 8.8 101 10.5 11.6 91 COLE CREEK 7850 13.4 8.8 152 9.5 8.1 117 EVENING STAR 9200 23.4 16.8 139 24.0 19.4 124 FISHER CREEK 9100 24.7 22.1 112 21.7 22.3 97 NORTHEAST ENTRANCE 7350 8.3 7.0 119 9.0 8.9 101 PARKER PEAK 9400 18.7 13.7 136 16.9 12.2 139 SYLVAN LAKE 8420 15.2 13.5 113 17.4 15.8 110 THUMB DIVIDE 7980 9.4 10.1 93 9.6 12.9 74 TWO OCEAN PLATEAU 9240 22.6 19.0 119 18.0 18.6 97 WHITE MILL 8700 18.7 15.7 119 16.1 16.6 97 WOLVERINE 7650 11.2 7.5 149 9.7 8.8 110 ----- ----- Basin Index (%) 123 107 WIND RIVER BURROUGHS CREEK 8750 -M 9.0 * -M 11.2 * CASTLE CREEK 8400 6.3 -M * 7.9 -M * COLD SPRINGS 9630 7.0 4.9 143 8.8 6.6 133 DEER PARK 9700 7.4 9.5 78 10.8 13.4 81 HOBBS PARK 10100 9.0 8.2 110 7.8 8.3 94 KIRWIN 9550 10.3 6.1 169 9.5 7.7 123 LITTLE WARM 9370 8.5 6.8 125 10.0 8.7 115 OWL CREEK 8975 5.0 3.2 156 4.9 3.8 129 SOUTH PASS 9040 9.8 9.8 100 9.2 11.7 79 ST. LAWRENCE ALT 8620 3.3 4.3 77 6.1 5.7 107 TOGWOTEE PASS 9580 18.9 15.9 119 18.7 17.0 110 TOWNSEND CREEK 8700 4.5 5.7 79 5.5 7.6 72 ----- ----- Basin Index (%) 112 101 BIGHORN BASIN BALD MTN. 9380 16.4 11.9 138 12.6 11.5 110 BEAR TRAP MEADOW 8200 7.2 3.7 195 7.7 5.4 143 BONE SPRINGS DIV 9350 13.1 10.2 128 9.9 10.2 97 GRAVE SPRINGS 8550 7.8 5.3 147 8.6 7.0 123 KIRWIN 9550 10.3 6.1 169 9.5 7.7 123 MARQUETTE 8760 6.4 -M * 8.4 -M * MIDDLE POWDER 7760 10.8 6.8 159 9.6 7.9 122 OWL CREEK 8975 5.0 3.2 156 4.9 3.8 129 POWDER RIVER PASS 9480 10.2 6.9 148 10.7 8.4 127 SHELL CREEK 9580 11.8 9.7 122 10.0 9.4 106 TIMBER CREEK 7950 4.4 3.1 142 6.0 4.8 125 ----- ----- Basin Index (%) 145 118 SHOSHONE RIVER BLACKWATER 9780 19.5 15.2 128 16.9 14.1 120 EVENING STAR 9200 23.4 16.8 139 24.0 19.4 124 MARQUETTE 8760 6.4 -M * 8.4 -M * SYLVAN ROAD 7120 9.8 8.3 118 13.9 12.6 110 YOUNTS PEAK 8350 -M 10.3 * -M 11.2 * ----- ----- Basin Index (%) 131 119 POWDER RIVER BEAR TRAP MEADOW 8200 7.2 3.7 195 7.7 5.4 143 CLOUD PEAK RESERVOIR 9860 12.3 9.1 135 10.8 8.4 129 GRAVE SPRINGS 8550 7.8 5.3 147 8.6 7.0 123 HANSEN SAWMILL 8360 5.6 4.2 133 7.7 5.4 143 MIDDLE POWDER 7760 10.8 6.8 159 9.6 7.9 122 POWDER RIVER PASS 9480 10.2 6.9 148 10.7 8.4 127 SOLDIER PARK 8720 6.0 -M * 7.1 -M * ----- ----- Basin Index (%) 150 130 TONGUE RIVER BIG GOOSE 7990 6.5 5.4 120 8.6 7.0 123 BONE SPRINGS DIV 9350 13.1 10.2 128 9.9 10.2 97 BURGESS JUNCTION 7880 9.0 7.2 125 10.3 8.0 129 DOME LAKE 8880 7.4 7.4 100 7.4 8.9 83 LITTLE GOOSE 8870 7.4 -M * 9.9 -M * SUCKER CREEK 8880 10.7 7.6 141 11.9 9.3 128 TIE CREEK 6870 5.1 3.7 138 9.7 7.5 129 ----- ----- Basin Index (%) 125 114 BELLE FOURCHE COLE CANYON 5910 5.5 4.1 134 11.7 6.3 186 ----- ----- Basin Index (%) 134 186 CHEYENNE RIVER BASIN BLIND PARK 6890 7.0 5.4 130 13.7 8.3 165 NORTH RAPID CREEK 6130 6.9 5.0 138 12.5 6.8 184 ----- ----- Basin Index (%) 134 174 UPPER N. PLATTE ARAPAHO RIDGE 10960 19.0 14.2 134 18.6 15.2 122 BLACKHALL MTN 9820 25.0 -M * 25.9 -M * COLUMBINE 9160 24.5 16.3 150 19.2 17.7 108 DIVIDE PEAK 8880 13.2 13.6 97 16.9 14.7 115 JOE WRIGHT 10120 14.2 13.6 104 22.5 17.2 131 LAPRELE CREEK 8375 5.3 6.0 88 7.2 8.1 89 MED BOW 10500 19.2 -M * 27.6 -M * NORTH FRENCH CREEK 10130 -M 17.6 * -M 18.1 * NEVER SUMMER 10280 16.1 13.3 121 13.5 -M * OLD BATTLE 10000 23.3 21.0 111 26.9 24.1 112 RAWAH 9020 10.2 7.0 146 12.8 9.5 135 SAGE CREEK BASIN 7850 8.0 9.1 88 9.4 10.5 90 SAND LAKE 10050 21.8 17.7 123 21.2 16.2 131 SOUTH BRUSH CREEK 8440 8.4 7.7 109 11.1 10.1 110 TOWER 10500 37.3 30.7 121 27.4 27.5 100 WEBBER SPRINGS 9250 17.4 15.6 112 20.2 18.2 111 WILLOW CREEK PASS 9540 9.8 8.1 121 10.7 8.9 120 ZIRKEL 9340 27.2 19.7 138 21.3 20.4 104 ----- ----- Basin Index (%) 120 112 SWEETWATER DEER PARK 9700 7.4 9.5 78 10.8 13.4 81 LARSEN CREEK 9000 7.2 -M * 9.4 -M * SOUTH PASS 9040 9.8 9.8 100 9.2 11.7 79 ----- ----- Basin Index (%) 89 80 LOWER N. PLATTE CASPER MTN. 7900 -M 8.2 * -M 9.7 * LAPRELE CREEK 8375 5.3 6.0 88 7.2 8.1 89 RENO HILL 8400 11.6 8.3 140 13.7 9.6 143 WINDY PEAK 7900 4.7 4.6 102 7.3 6.8 107 ----- ----- Basin Index (%) 114 115 LARAMIE RIVER BROOKLYN LAKE 10240 20.0 12.9 155 19.7 13.8 143 CINNABAR PARK 9574 16.5 14.4 115 20.6 17.1 120 CROW CREEK 8330 6.2 5.8 107 7.9 6.7 118 DEADMAN HILL 10220 16.8 10.9 154 16.3 11.0 148 RAWAH 9020 10.2 7.0 146 12.8 9.5 135 ROACH 9700 13.3 10.8 123 16.2 12.7 128 ----- ----- Basin Index (%) 134 132 S. PLATTE BLACK MOUNTAIN 8920 8.4 -M * 10.0 -M * CROW CREEK 8330 6.2 5.8 107 7.9 6.7 118 DEADMAN HILL 10220 16.8 10.9 154 16.3 11.0 148 ----- ----- Basin Index (%) 138 137 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.8 7.8 113 13.0 10.4 125 DIVIDE PEAK 8880 13.2 13.6 97 16.9 14.7 115 ELK RIVER 8700 14.8 12.7 117 16.3 13.8 118 LITTLE SNAKE RIVER 8915 21.6 17.2 126 26.6 22.2 120 OLD BATTLE 10000 23.3 21.0 111 26.9 24.1 112 SAGE CREEK BASIN 7850 8.0 9.1 88 9.4 10.5 90 SANDSTONE RS 8150 9.5 9.1 104 14.0 12.9 109 WHISKEY PARK 8950 28.3 17.6 161 29.7 19.4 153 ----- ----- Basin Index (%) 118 119 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.1 8.7 105 8.7 8.9 98 BLIND BULL SUM 8650 19.4 15.3 127 13.8 13.8 100 EAST RIM DIVIDE 7930 10.2 7.1 144 9.0 8.2 110 ELKHART PARK G.S. 9400 10.3 8.0 129 9.7 9.1 107 GROS VENTRE SUMMIT 8750 8.9 8.8 101 8.2 8.8 93 GUNSIGHT PASS 9820 11.1 8.8 126 10.5 9.6 109 KENDALL R.S. 7740 10.9 8.4 130 11.7 9.9 118 LOOMIS PARK 8240 13.0 10.3 126 14.3 12.1 118 NEW FORK LAKE 8340 8.5 7.2 118 7.2 7.6 95 POCKET CREEK 9360 7.9 -M * 8.3 -M * SNIDER BASIN 8060 11.8 8.5 139 11.9 9.9 120 SPRING CREEK DIVIDE 9000 19.5 15.9 123 19.1 16.6 115 TRIPLE PEAK 8500 19.1 14.7 130 21.0 17.2 122 ----- ----- Basin Index (%) 125 110 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.9 -M * 8.5 -M * BUCK PASTURE 9700 8.4 -M * 10.4 -M * EF BLACKS FORK GS 9360 3.8 -M * 6.8 -M * HAMS FORK 7840 9.3 7.9 118 8.7 7.8 112 HEWINTA 9519 5.6 6.5 86 8.9 9.3 96 HICKERSON PARK 9145 5.0 4.4 114 6.3 6.6 95 HOLE-IN-ROCK 9150 4.4 4.4 100 6.3 6.2 102 INDIAN CREEK 9425 17.3 15.8 109 15.2 15.2 100 KELLEY R.S. 8180 11.5 9.7 119 13.2 12.4 106 SPIRIT LK 10235 6.3 -M * 9.5 -M * STEEL CREEK PARK 10200 8.6 9.6 90 10.7 10.7 100 ----- ----- Basin Index (%) 106 102 UPPER BEAR RIVER BEAR RIVER RS 8777 5.7 -M * 8.1 -M * BUG LAKE 7950 -M 12.4 * -M 13.3 * BURTS MILLER RANCH 8000 4.9 -M * 4.8 -M * CHALK CREEK #1 8993 14.3 14.9 96 15.2 16.8 90 HAYDEN FORK 9212 9.3 9.7 96 13.1 14.1 93 KELLEY R.S. 8180 11.5 9.7 119 13.2 12.4 106 LILY LAKE 9156 8.9 8.2 109 10.5 11.5 91 MONTE CRISTO 8960 17.0 17.6 97 16.3 17.5 93 SALT RIVER SUMMIT 7760 10.5 8.6 122 12.2 11.5 106 ----- ----- Basin Index (%) 104 96 ----------------------------------------------------------------------------- -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.