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 SATURDAY: FEBRUARY 15 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 15.8 12.6 125 16.8 15.5 108 BLACK BEAR 8170 26.0 27.1 96 24.8 27.6 90 BLIND BULL SUM 8650 22.9 15.9 144 16.2 14.4 112 COTTONWOOD CREEK 7670 20.9 14.6 143 22.6 17.6 128 EAST RIM DIVIDE 7930 11.8 7.3 162 10.5 8.5 124 GRAND TARGHEE 9260 32.9 26.4 125 24.0 23.0 104 GRANITE CREEK 6770 15.1 12.2 124 15.8 15.0 105 GRASSY LAKE 7265 25.4 23.8 107 25.5 26.8 95 GROS VENTRE SUMMIT 8750 10.2 8.9 115 9.5 9.0 106 GUNSIGHT PASS 9820 12.8 9.4 136 12.1 10.0 121 LEWIS LAKE DIVIDE 7850 23.4 23.0 102 24.8 25.9 96 PHILLIPS BENCH 8200 21.3 17.7 120 21.8 20.3 107 SALT RIVER SUMMIT 7760 12.2 9.2 133 13.6 11.9 114 SNAKE RIVER STATION 6920 13.5 13.0 104 16.5 17.1 96 SPRING CREEK DIVIDE 9000 23.0 16.3 141 22.5 17.3 130 THUMB DIVIDE 7980 10.4 10.6 98 10.4 13.3 78 TOGWOTEE PASS 9580 20.9 16.4 127 20.7 17.6 118 TWO OCEAN PLATEAU 9240 25.1 19.4 129 19.6 19.4 101 WILLOW CREEK 8380 25.2 19.3 131 27.4 24.1 114 YOUNTS PEAK 8350 -M 10.7 * -M 11.6 * ----- ----- Basin Index (%) 122 106 MADISON-GALLATIN BLACK BEAR 8170 26.0 27.1 96 24.8 27.6 90 CANYON 7870 9.6 9.3 103 11.2 11.9 94 MADISON PLATEAU 7750 14.8 15.6 95 15.3 19.0 81 WEST YELLOWSTONE 6700 8.8 7.6 116 10.0 10.7 93 WHISKEY CREEK 6800 10.9 10.7 102 12.8 14.6 88 ----- ----- Basin Index (%) 100 88 YELLOWSTONE BEARTOOTH LAKE 9360 18.3 15.3 120 16.8 14.3 117 BURNT MTN 5880 6.6 3.4 194 13.4 8.6 156 CANYON 7870 9.6 9.3 103 11.2 11.9 94 COLE CREEK 7850 13.5 8.8 153 9.5 8.3 114 EVENING STAR 9200 25.1 17.5 143 25.6 20.1 127 FISHER CREEK 9100 27.1 23.0 118 23.3 23.0 101 NORTHEAST ENTRANCE 7350 9.2 7.3 126 9.7 9.1 107 PARKER PEAK 9400 19.9 14.0 142 17.5 12.7 138 SYLVAN LAKE 8420 16.1 14.0 115 18.4 16.3 113 THUMB DIVIDE 7980 10.4 10.6 98 10.4 13.3 78 TWO OCEAN PLATEAU 9240 25.1 19.4 129 19.6 19.4 101 WHITE MILL 8700 20.4 16.2 126 17.6 17.2 102 WOLVERINE 7650 12.2 7.8 156 10.6 9.1 116 ----- ----- Basin Index (%) 128 111 WIND RIVER BURROUGHS CREEK 8750 -M 9.4 * -M 11.5 * CASTLE CREEK 8400 7.2 -M * 8.9 -M * COLD SPRINGS 9630 7.8 5.1 153 9.6 6.7 143 DEER PARK 9700 -M 9.7 * 11.7 13.9 84 HOBBS PARK 10100 9.6 8.5 113 8.5 8.6 99 KIRWIN 9550 12.3 6.2 198 10.8 7.9 137 LITTLE WARM 9370 9.3 7.2 129 11.0 8.9 124 OWL CREEK 8975 5.2 3.3 158 5.1 3.9 131 SOUTH PASS 9040 10.6 10.1 105 9.8 12.1 81 ST. LAWRENCE ALT 8620 3.4 4.5 76 6.3 5.8 109 TOGWOTEE PASS 9580 20.9 16.4 127 20.7 17.6 118 TOWNSEND CREEK 8700 4.8 5.8 83 5.8 7.8 74 ----- ----- Basin Index (%) 125 107 BIGHORN BASIN BALD MTN. 9380 16.8 12.8 131 12.9 11.8 109 BEAR TRAP MEADOW 8200 7.4 3.8 195 7.8 5.6 139 BONE SPRINGS DIV 9350 13.7 10.7 128 10.5 10.6 99 GRAVE SPRINGS 8550 8.3 5.5 151 8.8 7.1 124 KIRWIN 9550 12.3 6.2 198 10.8 7.9 137 MARQUETTE 8760 6.7 -M * 8.6 -M * MIDDLE POWDER 7760 10.9 7.1 154 9.8 8.0 122 OWL CREEK 8975 5.2 3.3 158 5.1 3.9 131 POWDER RIVER PASS 9480 10.5 7.1 148 11.1 8.6 129 SHELL CREEK 9580 12.3 10.1 122 10.2 9.6 106 TIMBER CREEK 7950 4.5 3.1 145 6.1 4.8 127 ----- ----- Basin Index (%) 146 120 SHOSHONE RIVER BLACKWATER 9780 21.5 15.5 139 18.7 14.6 128 EVENING STAR 9200 25.1 17.5 143 25.6 20.1 127 MARQUETTE 8760 6.7 -M * 8.6 -M * SYLVAN ROAD 7120 10.5 8.6 122 14.8 12.9 115 YOUNTS PEAK 8350 -M 10.7 * -M 11.6 * ----- ----- Basin Index (%) 137 124 POWDER RIVER BEAR TRAP MEADOW 8200 7.4 3.8 195 7.8 5.6 139 CLOUD PEAK RESERVOIR 9860 13.1 9.5 138 11.3 8.6 131 GRAVE SPRINGS 8550 8.3 5.5 151 8.8 7.1 124 HANSEN SAWMILL 8360 6.1 4.3 142 8.1 5.5 147 MIDDLE POWDER 7760 10.9 7.1 154 9.8 8.0 122 POWDER RIVER PASS 9480 10.5 7.1 148 11.1 8.6 129 SOLDIER PARK 8720 7.4 -M * 7.4 -M * ----- ----- Basin Index (%) 151 131 TONGUE RIVER BIG GOOSE 7990 6.8 5.6 121 8.8 7.2 122 BONE SPRINGS DIV 9350 13.7 10.7 128 10.5 10.6 99 BURGESS JUNCTION 7880 9.4 7.4 127 10.5 8.2 128 DOME LAKE 8880 8.3 7.7 108 7.9 9.1 87 LITTLE GOOSE 8870 7.7 -M * 10.2 -M * SUCKER CREEK 8880 11.1 7.9 141 12.3 9.5 129 TIE CREEK 6870 5.3 3.8 139 10.0 7.7 130 ----- ----- Basin Index (%) 127 115 BELLE FOURCHE COLE CANYON 5910 5.8 4.4 132 11.3 6.5 174 ----- ----- Basin Index (%) 132 174 CHEYENNE RIVER BASIN BLIND PARK 6890 7.5 5.6 134 14.0 8.5 165 NORTH RAPID CREEK 6130 7.1 5.3 134 12.8 6.9 186 ----- ----- Basin Index (%) 134 174 UPPER N. PLATTE ARAPAHO RIDGE 10960 19.7 14.6 135 19.4 16.0 121 BLACKHALL MTN 9820 26.4 -M * 26.9 -M * COLUMBINE 9160 25.9 17.1 151 17.2 18.4 93 DIVIDE PEAK 8880 13.5 13.9 97 17.3 15.3 113 JOE WRIGHT 10120 14.4 14.4 100 22.7 17.9 127 LAPRELE CREEK 8375 5.9 6.4 92 7.3 8.4 87 MED BOW 10500 17.1 -M * 26.5 -M * NORTH FRENCH CREEK 10130 -M 18.9 * -M 18.9 * NEVER SUMMER 10280 17.0 13.9 122 13.8 -M * OLD BATTLE 10000 24.4 21.7 112 27.8 25.3 110 RAWAH 9020 10.2 7.3 140 13.0 9.8 133 SAGE CREEK BASIN 7850 8.4 9.5 88 9.5 10.8 88 SAND LAKE 10050 22.5 18.3 123 21.7 16.9 128 SOUTH BRUSH CREEK 8440 8.7 8.2 106 11.2 10.5 107 TOWER 10500 39.8 32.0 124 27.5 28.6 96 WEBBER SPRINGS 9250 18.4 16.4 112 21.0 19.0 111 WILLOW CREEK PASS 9540 10.0 8.4 119 11.0 9.3 118 ZIRKEL 9340 29.8 20.6 145 22.2 21.3 104 ----- ----- Basin Index (%) 121 109 SWEETWATER DEER PARK 9700 -M 9.7 * 11.7 13.9 84 LARSEN CREEK 9000 8.5 8.4 101 10.5 -M * SOUTH PASS 9040 10.6 10.1 105 9.8 12.1 81 ----- ----- Basin Index (%) 103 83 LOWER N. PLATTE CASPER MTN. 7900 -M 8.7 * -M 10.0 * LAPRELE CREEK 8375 5.9 6.4 92 7.3 8.4 87 RENO HILL 8400 11.9 8.6 138 14.0 10.0 140 WINDY PEAK 7900 5.0 5.0 100 7.4 7.1 104 ----- ----- Basin Index (%) 114 113 LARAMIE RIVER BROOKLYN LAKE 10240 21.5 13.6 158 20.8 14.4 144 CINNABAR PARK 9574 17.1 15.6 110 20.5 18.0 114 CROW CREEK 8330 6.4 6.2 103 8.1 7.1 114 DEADMAN HILL 10220 17.2 11.3 152 16.6 11.4 146 RAWAH 9020 10.2 7.3 140 13.0 9.8 133 ROACH 9700 -M 11.3 * -M 13.2 * ----- ----- Basin Index (%) 134 130 S. PLATTE BLACK MOUNTAIN 8920 8.5 -M * 10.0 -M * CROW CREEK 8330 6.4 6.2 103 8.1 7.1 114 DEADMAN HILL 10220 17.2 11.3 152 16.6 11.4 146 ----- ----- Basin Index (%) 135 134 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 8.9 8.4 106 13.4 11.0 122 DIVIDE PEAK 8880 13.5 13.9 97 17.3 15.3 113 ELK RIVER 8700 15.3 13.5 113 16.7 14.4 116 LITTLE SNAKE RIVER 8915 22.8 18.0 127 26.7 23.0 116 OLD BATTLE 10000 24.4 21.7 112 27.8 25.3 110 SAGE CREEK BASIN 7850 8.4 9.5 88 9.5 10.8 88 SANDSTONE RS 8150 9.7 9.6 101 14.3 13.5 106 WHISKEY PARK 8950 29.7 18.8 158 30.6 20.3 151 ----- ----- Basin Index (%) 117 117 UPPER GREEN RIVER BIG SANDY OPENING 9080 10.3 8.9 116 9.7 9.3 104 BLIND BULL SUM 8650 22.9 15.9 144 16.2 14.4 112 EAST RIM DIVIDE 7930 11.8 7.3 162 10.5 8.5 124 ELKHART PARK G.S. 9400 12.1 8.4 144 11.2 9.3 120 GROS VENTRE SUMMIT 8750 10.2 8.9 115 9.5 9.0 106 GUNSIGHT PASS 9820 12.8 9.4 136 12.1 10.0 121 KENDALL R.S. 7740 13.4 8.8 152 14.2 10.3 138 LOOMIS PARK 8240 15.5 10.5 148 16.5 12.5 132 NEW FORK LAKE 8340 10.3 7.4 139 8.4 7.8 108 POCKET CREEK 9360 9.0 -M * 9.4 -M * SNIDER BASIN 8060 13.8 8.9 155 13.5 10.3 131 SPRING CREEK DIVIDE 9000 23.0 16.3 141 22.5 17.3 130 TRIPLE PEAK 8500 22.3 15.3 146 24.2 17.9 135 ----- ----- Basin Index (%) 142 123 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 4.7 -M * 7.6 -M * HAMS FORK 7840 11.1 8.2 135 10.0 8.2 122 HEWINTA 9519 6.4 6.8 94 9.7 9.7 100 HICKERSON PARK 9145 5.4 4.9 110 6.9 6.8 101 HOLE-IN-ROCK 9150 5.0 4.7 106 6.7 6.4 105 INDIAN CREEK 9425 20.5 16.3 126 17.8 15.8 113 KELLEY R.S. 8180 13.2 10.3 128 14.9 13.0 115 SPIRIT LK 10235 6.5 -M * 9.9 -M * STEEL CREEK PARK 10200 10.6 10.1 105 11.4 11.1 103 ----- ----- Basin Index (%) 118 109 UPPER BEAR RIVER BEAR RIVER RS 8777 6.0 -M * 8.4 -M * BUG LAKE 7950 -M 13.0 * -M 13.8 * BURTS MILLER RANCH 8000 5.0 -M * 5.1 -M * CHALK CREEK #1 8993 15.2 15.7 97 15.7 17.5 90 HAYDEN FORK 9212 10.2 10.6 96 14.2 14.7 97 KELLEY R.S. 8180 13.2 10.3 128 14.9 13.0 115 LILY LAKE 9156 9.4 8.7 108 10.8 11.9 91 MONTE CRISTO 8960 19.0 18.4 103 17.4 18.2 96 SALT RIVER SUMMIT 7760 12.2 9.2 133 13.6 11.9 114 ----- ----- Basin Index (%) 109 99 ----------------------------------------------------------------------------- -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.