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: MARCH 27 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 22.9 14.7 156 23.9 19.7 121 BLACK BEAR 8170 37.7 34.6 109 35.7 35.6 100 BLIND BULL SUM 8650 34.8 21.3 163 22.4 18.3 122 COTTONWOOD CREEK 7670 29.7 20.6 144 32.5 23.0 141 EAST RIM DIVIDE 7930 16.8 9.8 171 14.8 11.0 135 GRAND TARGHEE 9260 46.6 34.6 135 35.0 28.3 124 GRANITE CREEK 6770 23.3 14.8 157 23.2 18.7 124 GRASSY LAKE 7265 37.3 30.8 121 35.6 33.9 105 GROS VENTRE SUMMIT 8750 13.9 12.2 114 14.3 11.9 120 GUNSIGHT PASS 9820 19.8 12.9 153 18.0 12.7 142 LEWIS LAKE DIVIDE 7850 34.4 29.0 119 -M 33.2 * PHILLIPS BENCH 8200 33.1 23.4 141 32.1 26.4 122 SALT RIVER SUMMIT 7760 17.4 12.5 139 18.6 15.6 119 SNAKE RIVER STATION 6920 -M 15.8 * -M 21.1 * SPRING CREEK DIVIDE 9000 34.0 22.2 153 31.3 22.3 140 THUMB DIVIDE 7980 17.0 15.1 113 15.5 17.2 90 TOGWOTEE PASS 9580 30.1 21.3 141 -M 22.6 * TWO OCEAN PLATEAU 9240 37.0 25.0 148 -M 25.4 * WILLOW CREEK 8380 38.9 26.2 148 38.6 31.2 124 YOUNTS PEAK 8350 -M 13.8 * -M 14.7 * ----- ----- Basin Index (%) 138 120 MADISON-GALLATIN BLACK BEAR 8170 37.7 34.6 109 35.7 35.6 100 CANYON 7870 13.6 12.1 112 15.0 15.0 100 MADISON PLATEAU 7750 21.8 20.8 105 22.0 24.5 90 WEST YELLOWSTONE 6700 12.2 10.1 121 14.1 13.1 108 WHISKEY CREEK 6800 15.7 14.6 108 18.4 18.8 98 ----- ----- Basin Index (%) 110 98 YELLOWSTONE BEARTOOTH LAKE 9360 29.4 20.4 144 27.5 18.4 149 BURNT MTN 5880 10.1 4.7 215 17.4 11.4 153 CANYON 7870 13.6 12.1 112 15.0 15.0 100 COLE CREEK 7850 20.0 12.8 156 13.9 11.4 122 EVENING STAR 9200 36.5 23.5 155 37.0 25.4 146 FISHER CREEK 9100 40.6 28.9 140 35.6 29.6 120 NORTHEAST ENTRANCE 7350 14.1 9.7 145 14.4 11.4 126 PARKER PEAK 9400 28.9 18.3 158 26.2 16.3 161 SYLVAN LAKE 8420 22.1 18.8 118 25.4 20.7 123 THUMB DIVIDE 7980 17.0 15.1 113 15.5 17.2 90 TWO OCEAN PLATEAU 9240 37.0 25.0 148 -M 25.4 * WHITE MILL 8700 31.4 21.1 149 26.9 22.0 122 WOLVERINE 7650 14.3 8.9 161 15.6 11.4 137 ----- ----- Basin Index (%) 144 129 WIND RIVER BURROUGHS CREEK 8750 -M 12.8 * -M 14.8 * CASTLE CREEK 8400 10.3 -M * 12.1 -M * COLD SPRINGS 9630 9.4 6.9 136 12.8 9.0 142 DEER PARK 9700 15.9 14.2 112 18.1 17.9 101 HOBBS PARK 10100 14.5 12.8 113 12.9 11.8 109 KIRWIN 9550 17.9 8.9 201 16.5 10.5 157 LITTLE WARM 9370 14.1 9.9 142 16.4 11.8 139 OWL CREEK 8975 7.2 4.8 150 7.1 5.4 131 SOUTH PASS 9040 15.8 14.4 110 14.7 16.0 92 ST. LAWRENCE ALT 8620 4.7 6.6 71 8.2 8.0 102 TOGWOTEE PASS 9580 30.1 21.3 141 -M 22.6 * TOWNSEND CREEK 8700 7.5 8.7 86 8.8 10.6 83 ----- ----- Basin Index (%) 126 114 BIGHORN BASIN BALD MTN. 9380 23.1 17.3 134 17.8 15.5 115 BEAR TRAP MEADOW 8200 10.5 5.1 206 10.3 7.6 136 BONE SPRINGS DIV 9350 19.6 14.7 133 15.5 14.1 110 GRAVE SPRINGS 8550 12.0 8.4 143 11.7 9.4 124 KIRWIN 9550 17.9 8.9 201 16.5 10.5 157 MARQUETTE 8760 13.1 -M * 11.8 -M * MIDDLE POWDER 7760 15.6 10.6 147 12.5 10.6 118 OWL CREEK 8975 7.2 4.8 150 7.1 5.4 131 POWDER RIVER PASS 9480 14.9 9.6 155 15.7 11.4 138 SHELL CREEK 9580 18.1 13.7 132 15.4 12.5 123 TIMBER CREEK 7950 6.4 4.3 149 7.8 6.5 120 ----- ----- Basin Index (%) 149 126 SHOSHONE RIVER BLACKWATER 9780 29.8 21.4 139 26.7 18.9 141 EVENING STAR 9200 36.5 23.5 155 37.0 25.4 146 MARQUETTE 8760 13.1 -M * 11.8 -M * SYLVAN ROAD 7120 14.2 10.9 130 19.5 15.6 125 YOUNTS PEAK 8350 -M 13.8 * -M 14.7 * ----- ----- Basin Index (%) 144 139 POWDER RIVER BEAR TRAP MEADOW 8200 10.5 5.1 206 10.3 7.6 136 CLOUD PEAK RESERVOIR 9860 19.8 13.5 147 17.4 11.9 146 GRAVE SPRINGS 8550 12.0 8.4 143 11.7 9.4 124 HANSEN SAWMILL 8360 9.4 6.1 154 11.5 7.7 149 MIDDLE POWDER 7760 15.6 10.6 147 12.5 10.6 118 POWDER RIVER PASS 9480 14.9 9.6 155 15.7 11.4 138 SOLDIER PARK 8720 12.3 -M * 10.8 -M * ----- ----- Basin Index (%) 154 135 TONGUE RIVER BIG GOOSE 7990 11.7 8.3 141 13.8 9.8 141 BONE SPRINGS DIV 9350 19.6 14.7 133 15.5 14.1 110 BURGESS JUNCTION 7880 14.3 10.5 136 15.0 11.1 135 DOME LAKE 8880 14.7 11.0 134 13.4 12.2 110 LITTLE GOOSE 8870 13.2 -M * 15.9 -M * SUCKER CREEK 8880 16.8 11.1 151 18.0 12.9 140 TIE CREEK 6870 8.9 5.3 168 14.0 10.2 137 ----- ----- Basin Index (%) 141 128 BELLE FOURCHE COLE CANYON 5910 7.2 5.7 126 13.7 8.3 165 ----- ----- Basin Index (%) 126 165 CHEYENNE RIVER BASIN BLIND PARK 6890 8.6 7.1 121 15.9 10.8 147 NORTH RAPID CREEK 6130 9.0 6.7 134 14.6 8.9 164 ----- ----- Basin Index (%) 128 155 UPPER N. PLATTE ARAPAHO RIDGE 10960 25.8 18.9 137 24.7 20.6 120 BLACKHALL MTN 9820 35.7 -M * 28.0 -M * COLUMBINE 9160 33.7 22.0 153 -M 23.8 * DIVIDE PEAK 8880 18.3 18.8 97 21.1 19.8 107 JOE WRIGHT 10120 21.6 19.7 110 29.5 23.8 124 LAPRELE CREEK 8375 9.4 9.4 100 10.8 11.4 95 MED BOW 10500 7.8 -M * 34.6 -M * NORTH FRENCH CREEK 10130 33.9 27.0 126 32.3 24.8 130 NEVER SUMMER 10280 23.7 18.7 127 18.1 -M * OLD BATTLE 10000 32.2 28.1 115 34.7 32.5 107 RAWAH 9020 13.7 10.0 137 16.6 12.8 130 SAGE CREEK BASIN 7850 12.3 12.2 101 11.5 13.4 86 SAND LAKE 10050 32.2 26.1 123 30.5 22.7 134 SOUTH BRUSH CREEK 8440 11.9 11.8 101 14.0 14.0 100 TOWER 10500 48.8 41.9 116 -M 37.1 * WEBBER SPRINGS 9250 24.9 22.3 112 26.9 24.8 108 WILLOW CREEK PASS 9540 14.2 11.4 125 13.9 12.2 114 ZIRKEL 9340 40.1 25.9 155 -M 26.4 * ----- ----- Basin Index (%) 122 114 SWEETWATER DEER PARK 9700 15.9 14.2 112 18.1 17.9 101 LARSEN CREEK 9000 13.2 11.8 112 15.1 -M * SOUTH PASS 9040 15.8 14.4 110 14.7 16.0 92 ----- ----- Basin Index (%) 111 97 LOWER N. PLATTE CASPER MTN. 7900 17.3 12.8 135 15.0 13.4 112 LAPRELE CREEK 8375 9.4 9.4 100 10.8 11.4 95 RENO HILL 8400 17.4 12.6 138 19.2 13.8 139 WINDY PEAK 7900 9.0 7.7 117 11.5 9.6 120 ----- ----- Basin Index (%) 125 117 LARAMIE RIVER BROOKLYN LAKE 10240 30.1 18.7 161 27.9 19.3 145 CINNABAR PARK 9574 22.5 19.5 115 28.2 22.4 126 CROW CREEK 8330 7.1 6.9 103 11.2 9.8 114 DEADMAN HILL 10220 23.9 14.8 161 22.4 15.8 142 RAWAH 9020 13.7 10.0 137 16.6 12.8 130 ROACH 9700 20.2 14.7 137 23.0 17.6 131 ----- ----- Basin Index (%) 139 132 S. PLATTE BLACK MOUNTAIN 8920 12.3 -M * -M -M * CROW CREEK 8330 7.1 6.9 103 11.2 9.8 114 DEADMAN HILL 10220 23.9 14.8 161 22.4 15.8 142 ----- ----- Basin Index (%) 143 131 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 10.9 11.0 99 16.1 14.0 115 DIVIDE PEAK 8880 18.3 18.8 97 21.1 19.8 107 ELK RIVER 8700 20.9 17.8 117 21.2 18.6 114 LITTLE SNAKE RIVER 8915 30.2 21.9 138 32.9 27.4 120 OLD BATTLE 10000 32.2 28.1 115 34.7 32.5 107 SAGE CREEK BASIN 7850 12.3 12.2 101 11.5 13.4 86 SANDSTONE RS 8150 11.5 13.0 88 16.9 17.2 98 WHISKEY PARK 8950 39.3 24.8 158 37.9 26.0 146 ----- ----- Basin Index (%) 119 114 UPPER GREEN RIVER BIG SANDY OPENING 9080 15.1 12.0 126 14.2 12.3 115 BLIND BULL SUM 8650 34.8 21.3 163 22.4 18.3 122 EAST RIM DIVIDE 7930 16.8 9.8 171 14.8 11.0 135 ELKHART PARK G.S. 9400 17.0 11.5 148 16.0 12.3 130 GROS VENTRE SUMMIT 8750 13.9 12.2 114 14.3 11.9 120 GUNSIGHT PASS 9820 19.8 12.9 153 18.0 12.7 142 KENDALL R.S. 7740 21.3 11.3 188 22.2 13.5 164 LOOMIS PARK 8240 23.8 14.3 166 23.6 16.2 146 NEW FORK LAKE 8340 15.5 9.9 157 13.3 10.1 132 POCKET CREEK 9360 12.3 -M * 12.2 -M * SNIDER BASIN 8060 19.6 11.5 170 18.8 13.2 142 SPRING CREEK DIVIDE 9000 34.0 22.2 153 31.3 22.3 140 TRIPLE PEAK 8500 34.2 20.7 165 35.5 23.7 150 ----- ----- Basin Index (%) 157 138 LOWER GREEN RIVER BLACKS FORK JCT 8870 8.0 -M * 12.5 -M * BUCK PASTURE 9700 14.0 -M * 15.2 -M * EF BLACKS FORK GS 9360 9.5 -M * 9.4 -M * HAMS FORK 7840 16.0 10.6 151 13.2 10.6 125 HEWINTA 9519 10.5 10.0 105 13.1 12.9 102 HICKERSON PARK 9145 7.0 7.0 100 8.5 9.3 91 HOLE-IN-ROCK 9150 6.0 6.9 87 8.6 8.7 99 INDIAN CREEK 9425 31.0 22.7 137 25.3 21.0 120 KELLEY R.S. 8180 18.3 14.4 127 20.0 17.0 118 SPIRIT LK 10235 8.9 -M * 12.4 -M * STEEL CREEK PARK 10200 17.3 14.2 122 14.9 15.0 99 ----- ----- Basin Index (%) 124 110 UPPER BEAR RIVER BEAR RIVER RS 8777 8.7 -M * 11.5 -M * BUG LAKE 7950 21.8 17.6 124 19.0 18.1 105 BURTS MILLER RANCH 8000 6.6 -M * 6.5 -M * CHALK CREEK #1 8993 21.1 22.4 94 21.0 23.2 91 HAYDEN FORK 9212 15.0 14.6 103 18.9 19.4 97 KELLEY R.S. 8180 18.3 14.4 127 20.0 17.0 118 LILY LAKE 9156 13.2 11.8 112 14.2 15.8 90 MONTE CRISTO 8960 25.8 25.3 102 23.5 24.2 97 SALT RIVER SUMMIT 7760 17.4 12.5 139 18.6 15.6 119 ----- ----- Basin Index (%) 112 101 ----------------------------------------------------------------------------- -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.