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 SUNDAY: FEBRUARY 16 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 16.2 12.7 128 16.9 15.6 108 BLACK BEAR 8170 26.3 27.2 97 25.0 27.9 90 BLIND BULL SUM 8650 23.8 16.1 148 16.6 14.5 114 COTTONWOOD CREEK 7670 21.8 14.8 147 23.1 17.7 131 EAST RIM DIVIDE 7930 12.2 7.3 167 10.9 8.5 128 GRAND TARGHEE 9260 33.5 26.6 126 24.5 23.3 105 GRANITE CREEK 6770 15.6 12.4 126 16.4 15.1 109 GRASSY LAKE 7265 26.3 24.1 109 25.9 27.0 96 GROS VENTRE SUMMIT 8750 10.5 8.9 118 9.8 9.1 108 GUNSIGHT PASS 9820 13.4 9.5 141 12.6 10.0 126 LEWIS LAKE DIVIDE 7850 23.9 23.2 103 25.4 26.1 97 PHILLIPS BENCH 8200 21.7 17.9 121 22.2 20.5 108 SALT RIVER SUMMIT 7760 12.7 9.3 137 14.0 12.1 116 SNAKE RIVER STATION 6920 13.8 13.1 105 16.8 17.2 98 SPRING CREEK DIVIDE 9000 24.0 16.4 146 23.4 17.4 134 THUMB DIVIDE 7980 10.6 10.7 99 10.5 13.3 79 TOGWOTEE PASS 9580 21.6 16.5 131 21.2 17.7 120 TWO OCEAN PLATEAU 9240 25.6 19.5 131 19.8 19.6 101 WILLOW CREEK 8380 26.1 19.6 133 28.2 24.2 117 YOUNTS PEAK 8350 -M 10.9 * -M 11.6 * ----- ----- Basin Index (%) 124 108 MADISON-GALLATIN BLACK BEAR 8170 26.3 27.2 97 25.0 27.9 90 CANYON 7870 9.8 9.4 104 11.3 12.0 94 MADISON PLATEAU 7750 15.0 15.7 96 15.5 19.1 81 WEST YELLOWSTONE 6700 9.0 7.7 117 10.0 10.7 93 WHISKEY CREEK 6800 11.0 10.8 102 12.9 14.8 87 ----- ----- Basin Index (%) 100 88 YELLOWSTONE BEARTOOTH LAKE 9360 19.0 15.4 123 17.5 14.4 122 BURNT MTN 5880 6.6 3.5 189 13.4 8.7 154 CANYON 7870 9.8 9.4 104 11.3 12.0 94 COLE CREEK 7850 13.5 8.9 152 9.5 8.4 113 EVENING STAR 9200 25.8 17.7 146 26.3 20.2 130 FISHER CREEK 9100 27.7 23.3 119 23.9 23.2 103 NORTHEAST ENTRANCE 7350 9.3 7.4 126 9.9 9.2 108 PARKER PEAK 9400 20.3 14.1 144 18.1 12.7 143 SYLVAN LAKE 8420 16.2 14.2 114 18.6 16.4 113 THUMB DIVIDE 7980 10.6 10.7 99 10.5 13.3 79 TWO OCEAN PLATEAU 9240 25.6 19.5 131 19.8 19.6 101 WHITE MILL 8700 20.9 16.3 128 18.0 17.3 104 WOLVERINE 7650 12.4 7.9 157 10.8 9.1 119 ----- ----- Basin Index (%) 129 113 WIND RIVER BURROUGHS CREEK 8750 -M 9.6 * -M 11.6 * CASTLE CREEK 8400 7.5 -M * 9.2 -M * COLD SPRINGS 9630 8.0 5.1 157 9.8 6.8 144 DEER PARK 9700 -M 9.8 * 12.2 14.0 87 HOBBS PARK 10100 9.9 8.6 115 8.5 8.6 99 KIRWIN 9550 12.7 6.2 205 11.1 8.0 139 LITTLE WARM 9370 9.7 7.3 133 11.6 9.0 129 OWL CREEK 8975 5.3 3.3 161 5.2 3.9 133 SOUTH PASS 9040 10.8 10.2 106 10.1 12.2 83 ST. LAWRENCE ALT 8620 3.4 4.6 74 6.3 5.9 107 TOGWOTEE PASS 9580 21.6 16.5 131 21.2 17.7 120 TOWNSEND CREEK 8700 4.8 5.8 83 5.9 7.9 75 ----- ----- Basin Index (%) 128 108 BIGHORN BASIN BALD MTN. 9380 17.0 13.0 131 13.1 11.8 111 BEAR TRAP MEADOW 8200 7.6 3.8 200 7.8 5.6 139 BONE SPRINGS DIV 9350 13.7 10.8 127 10.5 10.6 99 GRAVE SPRINGS 8550 8.4 5.6 150 8.9 7.2 124 KIRWIN 9550 12.7 6.2 205 11.1 8.0 139 MARQUETTE 8760 6.7 -M * 8.6 -M * MIDDLE POWDER 7760 11.1 7.1 156 9.8 8.0 122 OWL CREEK 8975 5.3 3.3 161 5.2 3.9 133 POWDER RIVER PASS 9480 10.7 7.2 149 11.2 8.7 129 SHELL CREEK 9580 12.4 10.1 123 10.3 9.7 106 TIMBER CREEK 7950 4.6 3.1 148 6.2 4.8 129 ----- ----- Basin Index (%) 147 120 SHOSHONE RIVER BLACKWATER 9780 22.0 15.6 141 19.1 14.7 130 EVENING STAR 9200 25.8 17.7 146 26.3 20.2 130 MARQUETTE 8760 6.7 -M * 8.6 -M * SYLVAN ROAD 7120 10.6 8.7 122 14.9 13.0 115 YOUNTS PEAK 8350 -M 10.9 * -M 11.6 * ----- ----- Basin Index (%) 139 126 POWDER RIVER BEAR TRAP MEADOW 8200 7.6 3.8 200 7.8 5.6 139 CLOUD PEAK RESERVOIR 9860 13.3 9.6 139 11.6 8.7 133 GRAVE SPRINGS 8550 8.4 5.6 150 8.9 7.2 124 HANSEN SAWMILL 8360 6.2 4.3 144 8.2 5.5 149 MIDDLE POWDER 7760 11.1 7.1 156 9.8 8.0 122 POWDER RIVER PASS 9480 10.7 7.2 149 11.2 8.7 129 SOLDIER PARK 8720 7.7 -M * 7.5 -M * ----- ----- Basin Index (%) 152 132 TONGUE RIVER BIG GOOSE 7990 6.9 5.7 121 8.9 7.3 122 BONE SPRINGS DIV 9350 13.7 10.8 127 10.5 10.6 99 BURGESS JUNCTION 7880 9.5 7.4 128 10.6 8.2 129 DOME LAKE 8880 8.5 7.8 109 8.0 9.2 87 LITTLE GOOSE 8870 7.8 -M * 10.3 -M * SUCKER CREEK 8880 11.3 8.0 141 12.4 9.6 129 TIE CREEK 6870 5.3 3.9 136 10.0 7.8 128 ----- ----- Basin Index (%) 127 115 BELLE FOURCHE COLE CANYON 5910 5.6 4.5 124 11.4 6.6 173 ----- ----- Basin Index (%) 124 173 CHEYENNE RIVER BASIN BLIND PARK 6890 7.7 5.6 138 14.1 8.5 166 NORTH RAPID CREEK 6130 7.2 5.3 136 12.9 7.0 184 ----- ----- Basin Index (%) 137 174 UPPER N. PLATTE ARAPAHO RIDGE 10960 19.8 14.7 135 19.5 16.1 121 BLACKHALL MTN 9820 26.3 -M * 27.0 -M * COLUMBINE 9160 26.0 17.3 150 -M 18.5 * DIVIDE PEAK 8880 13.5 14.0 96 17.4 15.4 113 JOE WRIGHT 10120 14.3 14.6 98 23.1 18.0 128 LAPRELE CREEK 8375 6.0 6.6 91 7.3 8.4 87 MED BOW 10500 16.6 -M * 26.0 -M * NORTH FRENCH CREEK 10130 -M 19.1 * -M 19.0 * NEVER SUMMER 10280 17.1 14.1 121 13.9 -M * OLD BATTLE 10000 24.4 22.0 111 27.9 25.5 109 RAWAH 9020 10.2 7.4 138 13.0 9.9 131 SAGE CREEK BASIN 7850 8.3 9.6 86 9.5 10.9 87 SAND LAKE 10050 22.6 18.5 122 21.9 17.0 129 SOUTH BRUSH CREEK 8440 8.7 8.4 104 11.2 10.6 106 TOWER 10500 39.9 32.4 123 27.5 28.8 95 WEBBER SPRINGS 9250 18.4 16.6 111 21.0 19.1 110 WILLOW CREEK PASS 9540 10.0 8.5 118 11.0 9.3 118 ZIRKEL 9340 29.9 20.8 144 24.1 21.3 113 ----- ----- Basin Index (%) 119 111 SWEETWATER DEER PARK 9700 -M 9.8 * 12.2 14.0 87 LARSEN CREEK 9000 8.8 8.5 104 11.0 -M * SOUTH PASS 9040 10.8 10.2 106 10.1 12.2 83 ----- ----- Basin Index (%) 105 85 LOWER N. PLATTE CASPER MTN. 7900 -M 8.8 * -M 10.1 * LAPRELE CREEK 8375 6.0 6.6 91 7.3 8.4 87 RENO HILL 8400 11.9 8.8 135 14.0 10.1 139 WINDY PEAK 7900 5.1 5.1 100 7.5 7.1 106 ----- ----- Basin Index (%) 112 112 LARAMIE RIVER BROOKLYN LAKE 10240 21.7 13.8 157 21.0 14.5 145 CINNABAR PARK 9574 17.3 15.8 109 20.5 18.1 113 CROW CREEK 8330 6.6 6.3 105 8.2 7.1 115 DEADMAN HILL 10220 17.2 11.4 151 16.6 11.5 144 RAWAH 9020 10.2 7.4 138 13.0 9.9 131 ROACH 9700 -M 11.5 * -M 13.3 * ----- ----- Basin Index (%) 133 130 S. PLATTE BLACK MOUNTAIN 8920 8.5 -M * 10.0 -M * CROW CREEK 8330 6.6 6.3 105 8.2 7.1 115 DEADMAN HILL 10220 17.2 11.4 151 16.6 11.5 144 ----- ----- Basin Index (%) 134 133 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.8 8.6 102 13.4 11.0 122 DIVIDE PEAK 8880 13.5 14.0 96 17.4 15.4 113 ELK RIVER 8700 15.4 13.7 112 16.7 14.5 115 LITTLE SNAKE RIVER 8915 22.8 18.2 125 26.8 23.1 116 OLD BATTLE 10000 24.4 22.0 111 27.9 25.5 109 SAGE CREEK BASIN 7850 8.3 9.6 86 9.5 10.9 87 SANDSTONE RS 8150 9.7 9.8 99 14.3 13.6 105 WHISKEY PARK 8950 29.8 19.1 156 30.6 20.4 150 ----- ----- Basin Index (%) 115 117 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.8 9.0 120 10.1 9.3 109 BLIND BULL SUM 8650 23.8 16.1 148 16.6 14.5 114 EAST RIM DIVIDE 7930 12.2 7.3 167 10.9 8.5 128 ELKHART PARK G.S. 9400 12.6 8.5 148 11.7 9.4 124 GROS VENTRE SUMMIT 8750 10.5 8.9 118 9.8 9.1 108 GUNSIGHT PASS 9820 13.4 9.5 141 12.6 10.0 126 KENDALL R.S. 7740 13.9 8.9 156 14.5 10.4 139 LOOMIS PARK 8240 16.0 10.5 152 17.1 12.6 136 NEW FORK LAKE 8340 10.8 7.5 144 9.0 7.8 115 POCKET CREEK 9360 9.4 -M * 9.7 -M * SNIDER BASIN 8060 14.5 8.9 163 14.2 10.4 137 SPRING CREEK DIVIDE 9000 24.0 16.4 146 23.4 17.4 134 TRIPLE PEAK 8500 23.2 15.4 151 25.0 18.0 139 ----- ----- Basin Index (%) 146 127 LOWER GREEN RIVER BLACKS FORK JCT 8870 5.8 -M * 9.3 -M * BUCK PASTURE 9700 9.3 -M * 11.0 -M * EF BLACKS FORK GS 9360 -M -M * -M -M * HAMS FORK 7840 11.6 8.3 140 10.6 8.2 129 HEWINTA 9519 6.4 6.9 93 9.7 9.8 99 HICKERSON PARK 9145 5.4 5.0 108 6.9 6.9 100 HOLE-IN-ROCK 9150 5.0 4.7 106 6.7 6.4 105 INDIAN CREEK 9425 21.8 16.5 132 18.8 16.0 118 KELLEY R.S. 8180 13.7 10.5 130 15.5 13.1 118 SPIRIT LK 10235 6.4 -M * 9.9 -M * STEEL CREEK PARK 10200 13.5 10.2 132 11.4 11.2 102 ----- ----- Basin Index (%) 125 111 UPPER BEAR RIVER BEAR RIVER RS 8777 6.0 -M * 8.4 -M * BUG LAKE 7950 16.6 13.1 127 15.1 13.9 109 BURTS MILLER RANCH 8000 4.9 -M * 5.2 -M * CHALK CREEK #1 8993 15.1 15.9 95 15.7 17.6 89 HAYDEN FORK 9212 10.3 10.8 95 14.2 14.8 96 KELLEY R.S. 8180 13.7 10.5 130 15.5 13.1 118 LILY LAKE 9156 9.4 8.9 106 10.8 12.0 90 MONTE CRISTO 8960 19.0 18.7 102 17.9 18.3 98 SALT RIVER SUMMIT 7760 12.7 9.3 137 14.0 12.1 116 ----- ----- Basin Index (%) 111 101 ----------------------------------------------------------------------------- -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.