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 MONDAY: JULY 21 , 2014 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 * 33.2 28.6 116 BLACK BEAR 8170 .0 .0 * 51.9 50.6 103 BLIND BULL SUM 8650 .0 .0 * 29.8 27.1 110 COTTONWOOD CREEK 7670 .0 .0 * 43.6 34.7 126 EAST RIM DIVIDE 7930 .0 .0 * 21.0 17.0 124 GRAND TARGHEE 9260 .0 .0 * 47.9 43.4 110 GRANITE CREEK 6770 .0 .0 * 30.9 26.5 117 GRASSY LAKE 7265 .0 .0 * 50.0 47.9 104 GROS VENTRE SUMMIT 8750 .0 .0 * 21.2 19.8 107 GUNSIGHT PASS 9820 .0 .0 * 26.5 21.5 123 LEWIS LAKE DIVIDE 7850 .0 .0 * 52.2 46.5 112 PHILLIPS BENCH 8200 .0 .0 * 43.4 37.4 116 SALT RIVER SUMMIT 7760 .0 .0 * 24.0 23.3 103 SNAKE RIVER STATION 6920 .0 .0 * 34.4 31.1 111 SPRING CREEK DIVIDE 9000 .0 .0 * 38.8 32.0 121 THUMB DIVIDE 7980 .0 .0 * 26.8 26.8 100 TOGWOTEE PASS 9580 .0 .0 * 40.7 34.2 119 TWO OCEAN PLATEAU 9240 .0 .0 * 44.3 38.6 115 WILLOW CREEK 8380 .0 .0 * 51.4 46.5 111 YOUNTS PEAK 8350 -M .0 * -M 24.3 * ----- ----- Basin Index (%) * 112 MADISON-GALLATIN BLACK BEAR 8170 .0 .0 * 51.9 50.6 103 CANYON 7870 .0 .0 * 22.4 24.3 92 MADISON PLATEAU 7750 .0 .0 * 34.5 36.9 93 WEST YELLOWSTONE 6700 .0 .0 * 23.4 21.4 109 WHISKEY CREEK 6800 .0 .0 * 29.5 29.5 100 ----- ----- Basin Index (%) * 99 YELLOWSTONE BEARTOOTH LAKE 9360 .0 .0 * 39.0 29.1 134 BURNT MTN 5880 .0 .0 * 29.6 25.4 117 CANYON 7870 .0 .0 * 22.4 24.3 92 COLE CREEK 7850 .0 .0 * 26.5 26.0 102 EVENING STAR 9200 .0 .0 * 51.8 39.8 130 FISHER CREEK 9100 .0 .0 * 51.6 46.0 112 NORTHEAST ENTRANCE 7350 .0 .0 * 22.9 20.9 110 PARKER PEAK 9400 .0 .0 * 39.6 28.0 141 SYLVAN LAKE 8420 .0 .0 * 40.0 33.8 118 THUMB DIVIDE 7980 .0 .0 * 26.8 26.8 100 TWO OCEAN PLATEAU 9240 .0 .0 * 44.3 38.6 115 WHITE MILL 8700 .0 .0 * 38.5 35.5 108 WOLVERINE 7650 .0 .0 * 24.7 19.6 126 ----- ----- Basin Index (%) * 116 WIND RIVER BURROUGHS CREEK 8750 .0 .0 * .7 24.1 3 CASTLE CREEK 8400 .0 -M * 18.4 -M * COLD SPRINGS 9630 .0 .0 * 20.2 18.2 111 DEER PARK 9700 .0 .0 * 26.6 30.4 88 HOBBS PARK 10100 .0 .0 * 21.8 23.8 92 KIRWIN 9550 .0 .0 * 24.8 21.0 118 LITTLE WARM 9370 .0 .0 * 23.3 21.5 108 OWL CREEK 8975 .0 .0 * 11.8 13.7 86 SOUTH PASS 9040 .0 .0 * 19.8 26.2 76 ST. LAWRENCE ALT 8620 .0 .0 * 14.2 17.2 83 TOGWOTEE PASS 9580 .0 .0 * 40.7 34.2 119 TOWNSEND CREEK 8700 .0 .0 * 15.8 20.9 76 ----- ----- Basin Index (%) * 87 BIGHORN BASIN BALD MTN. 9380 .0 .0 * 29.7 27.7 107 BEAR TRAP MEADOW 8200 .0 .0 * 20.1 17.3 116 BONE SPRINGS DIV 9350 .0 .0 * 27.3 26.5 103 GRAVE SPRINGS 8550 .0 .0 * 19.5 19.3 101 KIRWIN 9550 .0 .0 * 24.8 21.0 118 MARQUETTE 8760 .0 -M * 21.0 -M * MIDDLE POWDER 7760 .0 .0 * 22.6 20.9 108 OWL CREEK 8975 .0 .0 * 11.8 13.7 86 POWDER RIVER PASS 9480 .0 .0 * 26.4 22.7 116 SHELL CREEK 9580 .0 .0 * 27.6 24.2 114 TIMBER CREEK 7950 .0 .0 * 17.3 16.9 102 ----- ----- Basin Index (%) * 108 SHOSHONE RIVER BLACKWATER 9780 .0 .0 * 40.0 31.4 127 EVENING STAR 9200 .0 .0 * 51.8 39.8 130 MARQUETTE 8760 .0 -M * 21.0 -M * SYLVAN ROAD 7120 .0 .0 * 29.7 24.8 120 YOUNTS PEAK 8350 -M .0 * -M 24.3 * ----- ----- Basin Index (%) * 127 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 20.1 17.3 116 CLOUD PEAK RESERVOIR 9860 .0 .0 * 31.1 25.6 121 GRAVE SPRINGS 8550 .0 .0 * 19.5 19.3 101 HANSEN SAWMILL 8360 .0 .0 * 21.1 17.9 118 MIDDLE POWDER 7760 .0 .0 * 22.6 20.9 108 POWDER RIVER PASS 9480 .0 .0 * 26.4 22.7 116 SOLDIER PARK 8720 .0 -M * 20.6 -M * ----- ----- Basin Index (%) * 114 TONGUE RIVER BIG GOOSE 7990 .0 .0 * 24.1 20.7 116 BONE SPRINGS DIV 9350 .0 .0 * 27.3 26.5 103 BURGESS JUNCTION 7880 .0 .0 * 23.5 21.8 108 DOME LAKE 8880 .0 .0 * 29.5 24.0 123 LITTLE GOOSE 8870 .0 -M * 28.1 -M * SUCKER CREEK 8880 .0 .0 * 29.6 25.7 115 TIE CREEK 6870 .0 .0 * 23.2 22.6 103 ----- ----- Basin Index (%) * 111 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 23.6 20.9 113 ----- ----- Basin Index (%) * 113 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 26.2 23.4 112 NORTH RAPID CREEK 6130 .0 .0 * 25.6 21.7 118 ----- ----- Basin Index (%) * 115 UPPER N. PLATTE ARAPAHO RIDGE 10960 .1 .0 * 37.1 32.8 113 BLACKHALL MTN 9820 .0 -M * 46.8 -M * COLUMBINE 9160 .0 .0 * 43.4 34.0 128 DIVIDE PEAK 8880 .0 .0 * 30.5 29.7 103 JOE WRIGHT 10120 -M .0 * 45.2 38.0 119 LAPRELE CREEK 8375 .1 .0 * 20.3 20.7 98 MED BOW 10500 -M -M * 52.2 -M * NORTH FRENCH CREEK 10130 .0 .0 * 46.8 38.7 121 NEVER SUMMER 10280 -M .0 * -M -M * OLD BATTLE 10000 -M .0 * 45.6 46.7 98 RAWAH 9020 .0 .0 * 28.1 22.5 125 SAGE CREEK BASIN 7850 .1 .0 * 15.0 19.7 76 SAND LAKE 10050 .0 .0 * 44.7 36.8 121 SOUTH BRUSH CREEK 8440 .0 .0 * 21.0 23.7 89 TOWER 10500 .0 .0 * 62.8 52.9 119 WEBBER SPRINGS 9250 .0 .0 * 39.0 35.7 109 WILLOW CREEK PASS 9540 .0 .0 * 25.0 21.5 116 ZIRKEL 9340 .1 .0 * 50.5 37.6 134 ----- ----- Basin Index (%) * 113 SWEETWATER DEER PARK 9700 .0 .0 * 26.6 30.4 88 LARSEN CREEK 9000 .0 .0 * 19.5 -M * SOUTH PASS 9040 .0 .0 * 19.8 26.2 76 ----- ----- Basin Index (%) * 82 LOWER N. PLATTE CASPER MTN. 7900 .0 .0 * 23.2 24.7 94 LAPRELE CREEK 8375 .1 .0 * 20.3 20.7 98 RENO HILL 8400 .0 .0 * 30.6 25.5 120 WINDY PEAK 7900 .0 .0 * 21.9 19.2 114 ----- ----- Basin Index (%) * 107 LARAMIE RIVER BROOKLYN LAKE 10240 .1 .0 * 40.0 31.5 127 CINNABAR PARK 9574 .0 .0 * -M 33.6 * CROW CREEK 8330 .0 .0 * 22.8 20.5 111 DEADMAN HILL 10220 .0 .0 * 33.9 26.7 127 RAWAH 9020 .0 .0 * 28.1 22.5 125 ROACH 9700 .0 .0 * 34.5 28.8 120 ----- ----- Basin Index (%) * 123 S. PLATTE BLACK MOUNTAIN 8920 .0 -M * 22.8 -M * CROW CREEK 8330 .0 .0 * 22.8 20.5 111 DEADMAN HILL 10220 .0 .0 * 33.9 26.7 127 ----- ----- Basin Index (%) * 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 20.9 21.0 100 DIVIDE PEAK 8880 .0 .0 * 30.5 29.7 103 ELK RIVER 8700 .0 .0 * 29.5 28.0 105 LITTLE SNAKE RIVER 8915 -M .0 * -M 38.9 * OLD BATTLE 10000 -M .0 * 45.6 46.7 98 SAGE CREEK BASIN 7850 .1 .0 * 15.0 19.7 76 SANDSTONE RS 8150 .0 .0 * 21.2 25.3 84 WHISKEY PARK 8950 .0 .0 * 48.3 37.7 128 ----- ----- Basin Index (%) * 101 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 * 18.8 20.5 92 BLIND BULL SUM 8650 .0 .0 * 29.8 27.1 110 EAST RIM DIVIDE 7930 .0 .0 * 21.0 17.0 124 ELKHART PARK G.S. 9400 .0 .0 * 23.9 20.6 116 GROS VENTRE SUMMIT 8750 .0 .0 * 21.2 19.8 107 GUNSIGHT PASS 9820 .0 .0 * 26.5 21.5 123 KENDALL R.S. 7740 .0 .0 * 27.6 19.8 139 LOOMIS PARK 8240 .0 .0 * 31.8 23.8 134 NEW FORK LAKE 8340 .0 .0 * 18.4 17.0 108 POCKET CREEK 9360 .0 -M * 22.2 -M * SNIDER BASIN 8060 .0 .0 * 24.4 19.4 126 SPRING CREEK DIVIDE 9000 .0 .0 * 38.8 32.0 121 TRIPLE PEAK 8500 .0 .0 * 44.1 34.5 128 ----- ----- Basin Index (%) * 120 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 18.7 -M * BUCK PASTURE 9700 .0 -M * 23.8 -M * EF BLACKS FORK GS 9360 .0 -M * 16.1 -M * HAMS FORK 7840 .0 .0 * 18.9 17.3 109 HEWINTA 9519 .0 .0 * 20.8 21.3 98 HICKERSON PARK 9145 .0 .0 * 14.6 17.0 86 HOLE-IN-ROCK 9150 .0 .0 * 16.3 16.6 98 INDIAN CREEK 9425 .0 .0 * 32.6 30.4 107 KELLEY R.S. 8180 .0 .0 * 25.6 25.0 102 SPIRIT LK 10235 -M -M * -M -M * STEEL CREEK PARK 10200 .0 .0 * 23.5 24.8 95 ----- ----- Basin Index (%) * 100 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 17.0 -M * BUG LAKE 7950 .0 .0 * 26.5 26.4 100 BURTS MILLER RANCH 8000 .0 -M * 10.4 -M * CHALK CREEK #1 8993 .0 .0 * 30.1 35.0 86 HAYDEN FORK 9212 .0 .0 * 28.1 29.4 96 KELLEY R.S. 8180 .0 .0 * 25.6 25.0 102 LILY LAKE 9156 .0 .0 * 21.1 24.8 85 MONTE CRISTO 8960 .0 .0 * 33.5 35.3 95 SALT RIVER SUMMIT 7760 .0 .0 * 24.0 23.3 103 ----- ----- Basin Index (%) * 95 ----------------------------------------------------------------------------- -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.