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 WEDNESDAY: JANUARY 22 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 10.5 10.1 104 11.9 12.7 94 BLACK BEAR 8170 20.3 22.1 92 19.6 22.7 86 BLIND BULL SUM 8650 14.2 12.8 111 10.5 11.8 89 COTTONWOOD CREEK 7670 12.5 11.4 110 14.2 14.5 98 EAST RIM DIVIDE 7930 7.1 6.2 115 6.2 7.1 87 GRAND TARGHEE 9260 24.3 21.7 112 17.9 18.5 97 GRANITE CREEK 6770 7.8 9.2 85 9.1 12.4 73 GRASSY LAKE 7265 17.0 17.8 96 18.2 21.8 83 GROS VENTRE SUMMIT 8750 7.5 7.8 96 6.7 7.6 88 GUNSIGHT PASS 9820 8.8 7.8 113 8.5 8.2 104 LEWIS LAKE DIVIDE 7850 14.2 17.6 81 17.1 21.2 81 PHILLIPS BENCH 8200 12.8 15.6 82 13.7 16.6 83 SALT RIVER SUMMIT 7760 7.1 7.1 100 9.0 9.8 92 SNAKE RIVER STATION 6920 8.9 9.4 95 11.5 14.1 82 SPRING CREEK DIVIDE 9000 13.6 12.7 107 13.6 14.2 96 THUMB DIVIDE 7980 7.3 8.5 86 7.8 11.2 70 TOGWOTEE PASS 9580 14.7 13.3 111 14.4 14.6 99 TWO OCEAN PLATEAU 9240 18.0 15.8 114 14.5 16.0 91 WILLOW CREEK 8380 15.5 15.4 101 18.7 19.8 94 YOUNTS PEAK 8350 -M 8.8 * -M 9.7 * ----- ----- Basin Index (%) 100 88 MADISON-GALLATIN BLACK BEAR 8170 20.3 22.1 92 19.6 22.7 86 CANYON 7870 7.2 7.6 95 8.7 9.9 88 MADISON PLATEAU 7750 11.2 13.4 84 12.2 15.9 77 WEST YELLOWSTONE 6700 6.3 6.6 95 7.4 8.8 84 WHISKEY CREEK 6800 8.0 8.9 90 10.1 12.2 83 ----- ----- Basin Index (%) 90 83 YELLOWSTONE BEARTOOTH LAKE 9360 14.0 12.8 109 12.6 11.7 108 BURNT MTN 5880 5.0 2.3 217 10.7 7.5 143 CANYON 7870 7.2 7.6 95 8.7 9.9 88 COLE CREEK 7850 11.4 7.6 150 8.0 7.2 111 EVENING STAR 9200 19.7 14.5 136 20.2 16.5 122 FISHER CREEK 9100 21.2 19.3 110 18.7 19.0 98 NORTHEAST ENTRANCE 7350 6.4 5.8 110 7.1 7.6 93 PARKER PEAK 9400 15.9 12.1 131 14.8 10.5 141 SYLVAN LAKE 8420 12.5 11.8 106 14.7 13.8 107 THUMB DIVIDE 7980 7.3 8.5 86 7.8 11.2 70 TWO OCEAN PLATEAU 9240 18.0 15.8 114 14.5 16.0 91 WHITE MILL 8700 15.8 13.5 117 13.4 14.1 95 WOLVERINE 7650 8.3 6.3 132 7.1 7.6 93 ----- ----- Basin Index (%) 118 104 WIND RIVER BURROUGHS CREEK 8750 -M 7.7 * -M 9.7 * CASTLE CREEK 8400 3.8 -M * 5.6 -M * COLD SPRINGS 9630 5.4 4.2 129 7.0 5.8 121 DEER PARK 9700 5.2 8.0 65 7.6 11.5 66 HOBBS PARK 10100 7.5 7.6 99 6.7 7.3 92 KIRWIN 9550 8.0 5.4 148 7.3 6.8 107 LITTLE WARM 9370 6.7 5.8 116 8.1 7.6 107 OWL CREEK 8975 3.9 3.0 130 3.9 3.3 118 SOUTH PASS 9040 6.4 8.1 79 6.5 10.1 64 ST. LAWRENCE ALT 8620 2.6 3.7 70 5.5 5.0 110 TOGWOTEE PASS 9580 14.7 13.3 111 14.4 14.6 99 TOWNSEND CREEK 8700 3.6 4.6 78 4.7 6.7 70 ----- ----- Basin Index (%) 100 91 BIGHORN BASIN BALD MTN. 9380 14.2 10.1 141 11.1 9.9 112 BEAR TRAP MEADOW 8200 5.9 3.1 190 6.4 4.9 131 BONE SPRINGS DIV 9350 11.0 9.2 120 8.5 8.9 96 GRAVE SPRINGS 8550 7.1 4.6 154 7.7 6.0 128 KIRWIN 9550 8.0 5.4 148 7.3 6.8 107 MARQUETTE 8760 4.7 -M * 6.7 -M * MIDDLE POWDER 7760 9.8 6.0 163 8.6 6.9 125 OWL CREEK 8975 3.9 3.0 130 3.9 3.3 118 POWDER RIVER PASS 9480 8.3 5.9 141 8.9 7.3 122 SHELL CREEK 9580 9.8 8.6 114 8.3 8.1 102 TIMBER CREEK 7950 3.4 2.8 121 5.0 4.3 116 ----- ----- Basin Index (%) 139 114 SHOSHONE RIVER BLACKWATER 9780 15.7 13.2 119 13.4 12.2 110 EVENING STAR 9200 19.7 14.5 136 20.2 16.5 122 MARQUETTE 8760 4.7 -M * 6.7 -M * SYLVAN ROAD 7120 7.7 7.2 107 11.4 11.1 103 YOUNTS PEAK 8350 -M 8.8 * -M 9.7 * ----- ----- Basin Index (%) 123 113 POWDER RIVER BEAR TRAP MEADOW 8200 5.9 3.1 190 6.4 4.9 131 CLOUD PEAK RESERVOIR 9860 10.8 7.7 140 9.7 7.4 131 GRAVE SPRINGS 8550 7.1 4.6 154 7.7 6.0 128 HANSEN SAWMILL 8360 4.6 3.7 124 6.6 4.7 140 MIDDLE POWDER 7760 9.8 6.0 163 8.6 6.9 125 POWDER RIVER PASS 9480 8.3 5.9 141 8.9 7.3 122 SOLDIER PARK 8720 4.8 -M * 6.2 -M * ----- ----- Basin Index (%) 150 129 TONGUE RIVER BIG GOOSE 7990 5.4 4.4 123 7.5 6.0 125 BONE SPRINGS DIV 9350 11.0 9.2 120 8.5 8.9 96 BURGESS JUNCTION 7880 7.7 6.2 124 8.9 7.0 127 DOME LAKE 8880 6.2 6.4 97 6.4 7.8 82 LITTLE GOOSE 8870 6.1 -M * 8.7 -M * SUCKER CREEK 8880 9.4 6.6 142 10.4 8.1 128 TIE CREEK 6870 3.9 3.1 126 8.5 6.7 127 ----- ----- Basin Index (%) 121 113 BELLE FOURCHE COLE CANYON 5910 4.0 3.0 133 10.3 5.4 191 ----- ----- Basin Index (%) 133 191 CHEYENNE RIVER BASIN BLIND PARK 6890 6.2 4.1 151 12.6 7.2 175 NORTH RAPID CREEK 6130 6.0 3.9 154 11.4 5.9 193 ----- ----- Basin Index (%) 152 183 UPPER N. PLATTE ARAPAHO RIDGE 10960 13.6 11.4 119 13.6 13.0 105 BLACKHALL MTN 9820 18.7 -M * 19.9 -M * COLUMBINE 9160 16.7 13.2 127 18.2 14.8 123 DIVIDE PEAK 8880 10.5 11.2 94 14.1 12.6 112 JOE WRIGHT 10120 9.4 12.1 78 16.2 14.8 109 LAPRELE CREEK 8375 4.2 5.3 79 6.1 7.0 87 MED BOW 10500 14.5 -M * 21.2 -M * NORTH FRENCH CREEK 10130 18.1 14.6 124 19.3 15.4 125 NEVER SUMMER 10280 11.8 11.1 106 10.3 -M * OLD BATTLE 10000 17.5 16.8 104 20.1 20.6 98 RAWAH 9020 7.5 5.7 132 10.2 8.6 119 SAGE CREEK BASIN 7850 5.9 7.5 79 7.7 8.9 87 SAND LAKE 10050 16.8 15.2 111 16.7 13.9 120 SOUTH BRUSH CREEK 8440 6.9 6.6 105 9.5 8.8 108 TOWER 10500 26.0 24.6 106 27.0 23.3 116 WEBBER SPRINGS 9250 12.4 12.4 100 15.0 15.6 96 WILLOW CREEK PASS 9540 7.4 6.7 110 8.3 7.7 108 ZIRKEL 9340 18.0 16.4 110 20.1 17.0 118 ----- ----- Basin Index (%) 106 110 SWEETWATER DEER PARK 9700 5.2 8.0 65 7.6 11.5 66 LARSEN CREEK 9000 3.6 -M * 6.1 -M * SOUTH PASS 9040 6.4 8.1 79 6.5 10.1 64 ----- ----- Basin Index (%) 72 65 LOWER N. PLATTE CASPER MTN. 7900 -M 7.0 * -M 8.5 * LAPRELE CREEK 8375 4.2 5.3 79 6.1 7.0 87 RENO HILL 8400 10.4 7.1 146 12.6 8.4 150 WINDY PEAK 7900 3.4 3.9 87 6.1 6.0 102 ----- ----- Basin Index (%) 110 116 LARAMIE RIVER BROOKLYN LAKE 10240 14.1 11.3 125 14.6 11.8 124 CINNABAR PARK 9574 12.5 12.0 104 15.6 14.6 107 CROW CREEK 8330 4.5 5.5 82 6.5 6.1 107 DEADMAN HILL 10220 12.0 8.8 136 12.2 9.5 128 RAWAH 9020 7.5 5.7 132 10.2 8.6 119 ROACH 9700 9.2 9.4 98 11.8 11.0 107 ----- ----- Basin Index (%) 113 115 S. PLATTE BLACK MOUNTAIN 8920 6.6 -M * 8.1 -M * CROW CREEK 8330 4.5 5.5 82 6.5 6.1 107 DEADMAN HILL 10220 12.0 8.8 136 12.2 9.5 128 ----- ----- Basin Index (%) 115 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.6 6.3 105 10.8 8.9 121 DIVIDE PEAK 8880 10.5 11.2 94 14.1 12.6 112 ELK RIVER 8700 11.5 9.9 116 13.7 11.7 117 LITTLE SNAKE RIVER 8915 15.1 13.2 114 20.6 18.8 110 OLD BATTLE 10000 17.5 16.8 104 20.1 20.6 98 SAGE CREEK BASIN 7850 5.9 7.5 79 7.7 8.9 87 SANDSTONE RS 8150 6.9 7.3 95 11.3 11.0 103 WHISKEY PARK 8950 21.0 14.8 142 23.3 16.2 144 ----- ----- Basin Index (%) 109 112 UPPER GREEN RIVER BIG SANDY OPENING 9080 5.8 7.1 82 5.5 7.7 71 BLIND BULL SUM 8650 14.2 12.8 111 10.5 11.8 89 EAST RIM DIVIDE 7930 7.1 6.2 115 6.2 7.1 87 ELKHART PARK G.S. 9400 7.4 7.0 106 6.9 7.9 87 GROS VENTRE SUMMIT 8750 7.5 7.8 96 6.7 7.6 88 GUNSIGHT PASS 9820 8.8 7.8 113 8.5 8.2 104 KENDALL R.S. 7740 7.3 6.9 106 8.2 8.4 98 LOOMIS PARK 8240 8.6 8.7 99 9.9 10.3 96 NEW FORK LAKE 8340 5.8 6.3 92 5.3 6.5 82 POCKET CREEK 9360 4.7 -M * 5.2 -M * SNIDER BASIN 8060 7.7 6.7 115 8.0 8.4 95 SPRING CREEK DIVIDE 9000 13.6 12.7 107 13.6 14.2 96 TRIPLE PEAK 8500 13.2 11.8 112 15.2 14.6 104 ----- ----- Basin Index (%) 105 93 LOWER GREEN RIVER BLACKS FORK JCT 8870 3.3 -M * 6.7 -M * BUCK PASTURE 9700 6.1 -M * 8.6 -M * EF BLACKS FORK GS 9360 3.0 -M * 5.9 -M * HAMS FORK 7840 5.3 6.5 82 5.9 6.7 88 HEWINTA 9519 3.6 5.1 71 7.1 8.0 89 HICKERSON PARK 9145 4.4 3.3 133 5.8 5.7 102 HOLE-IN-ROCK 9150 3.8 3.7 103 5.5 5.4 102 INDIAN CREEK 9425 11.0 13.5 81 10.2 12.8 80 KELLEY R.S. 8180 7.3 8.1 90 9.0 10.6 85 SPIRIT LK 10235 5.5 -M * 8.5 -M * STEEL CREEK PARK 10200 7.0 7.7 91 8.9 9.2 97 ----- ----- Basin Index (%) 89 90 UPPER BEAR RIVER BEAR RIVER RS 8777 4.0 -M * 6.6 -M * BUG LAKE 7950 -M 9.2 * -M 11.4 * BURTS MILLER RANCH 8000 3.3 -M * 3.8 -M * CHALK CREEK #1 8993 10.6 12.1 88 11.6 14.3 81 HAYDEN FORK 9212 6.4 7.8 82 10.1 12.0 84 KELLEY R.S. 8180 7.3 8.1 90 9.0 10.6 85 LILY LAKE 9156 6.7 6.8 99 8.4 9.9 85 MONTE CRISTO 8960 11.0 14.1 78 11.2 15.0 75 SALT RIVER SUMMIT 7760 7.1 7.1 100 9.0 9.8 92 ----- ----- Basin Index (%) 88 83 ----------------------------------------------------------------------------- -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.