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: AUGUST 31 , 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 * 36.4 30.3 120 BLACK BEAR 8170 .2 .0 * 57.6 52.7 109 BLIND BULL SUM 8650 .0 .0 * 34.2 29.0 118 COTTONWOOD CREEK 7670 .2 .0 * 49.0 36.8 133 EAST RIM DIVIDE 7930 .0 .0 * 23.5 18.6 126 GRAND TARGHEE 9260 .0 .0 * 53.7 45.5 118 GRANITE CREEK 6770 .0 .0 * 34.2 28.1 122 GRASSY LAKE 7265 .2 .0 * 56.0 49.9 112 GROS VENTRE SUMMIT 8750 .0 .0 * 24.3 21.7 112 GUNSIGHT PASS 9820 .0 .0 * 31.7 23.6 134 LEWIS LAKE DIVIDE 7850 .0 .0 * 57.6 48.6 119 PHILLIPS BENCH 8200 .0 .0 * 47.0 39.4 119 SALT RIVER SUMMIT 7760 .0 .0 * 28.1 25.0 112 SNAKE RIVER STATION 6920 .0 .0 * 39.7 33.2 120 SPRING CREEK DIVIDE 9000 .2 .0 * 43.2 33.8 128 THUMB DIVIDE 7980 .1 .0 * 30.7 28.3 108 TOGWOTEE PASS 9580 .2 .0 * 43.8 36.4 120 TWO OCEAN PLATEAU 9240 -M .0 * 47.9 40.9 117 WILLOW CREEK 8380 .2 .0 * 57.6 49.2 117 YOUNTS PEAK 8350 -M .0 * -M 26.9 * ----- ----- Basin Index (%) * 119 MADISON-GALLATIN BLACK BEAR 8170 .2 .0 * 57.6 52.7 109 CANYON 7870 .0 .0 * -M 26.2 * MADISON PLATEAU 7750 .1 .0 * -M 38.7 * WEST YELLOWSTONE 6700 .1 .0 * -M 22.9 * WHISKEY CREEK 6800 .0 .0 * 33.3 31.1 107 ----- ----- Basin Index (%) * 108* YELLOWSTONE BEARTOOTH LAKE 9360 .0 .0 * 42.9 31.2 138 BURNT MTN 5880 .1 .0 * 32.2 27.6 117 CANYON 7870 .0 .0 * -M 26.2 * COLE CREEK 7850 .0 .0 * 30.3 28.6 106 EVENING STAR 9200 .1 .0 * 54.3 42.3 128 FISHER CREEK 9100 .0 .0 * 56.8 49.0 116 NORTHEAST ENTRANCE 7350 .0 .0 * 26.4 23.2 114 PARKER PEAK 9400 .2 .0 * 44.0 29.9 147 SYLVAN LAKE 8420 .1 .0 * 44.0 35.8 123 THUMB DIVIDE 7980 .1 .0 * 30.7 28.3 108 TWO OCEAN PLATEAU 9240 -M .0 * 47.9 40.9 117 WHITE MILL 8700 .1 .0 * 43.7 38.3 114 WOLVERINE 7650 -M .0 * 27.5 21.8 126 ----- ----- Basin Index (%) * 121 WIND RIVER BURROUGHS CREEK 8750 .1 .0 * 3.6 26.3 14 CASTLE CREEK 8400 .0 -M * 21.5 -M * COLD SPRINGS 9630 .0 .0 * 21.9 20.0 110 DEER PARK 9700 .0 .0 * 30.0 32.9 91 HOBBS PARK 10100 .0 .0 * 24.5 25.8 95 KIRWIN 9550 .1 .0 * 27.8 23.9 116 LITTLE WARM 9370 .1 .0 * 25.6 23.7 108 OWL CREEK 8975 .1 .0 * 13.4 15.6 86 SOUTH PASS 9040 .0 .0 * 21.7 27.9 78 ST. LAWRENCE ALT 8620 .0 .0 * 16.0 18.9 85 TOGWOTEE PASS 9580 .2 .0 * 43.8 36.4 120 TOWNSEND CREEK 8700 .2 .0 * 18.5 22.7 81 ----- ----- Basin Index (%) * 90 BIGHORN BASIN BALD MTN. 9380 .1 .0 * 33.5 29.7 113 BEAR TRAP MEADOW 8200 .0 .0 * 24.2 18.8 129 BONE SPRINGS DIV 9350 .1 .0 * 30.3 28.7 106 GRAVE SPRINGS 8550 .0 .0 * 22.2 21.1 105 KIRWIN 9550 .1 .0 * 27.8 23.9 116 MARQUETTE 8760 .0 -M * 24.0 -M * MIDDLE POWDER 7760 .0 .0 * 29.1 22.7 128 OWL CREEK 8975 .1 .0 * 13.4 15.6 86 POWDER RIVER PASS 9480 .0 .0 * 29.5 24.6 120 SHELL CREEK 9580 .0 .0 * 29.6 25.9 114 TIMBER CREEK 7950 .1 .0 * 20.8 19.1 109 ----- ----- Basin Index (%) * 113 SHOSHONE RIVER BLACKWATER 9780 .2 .0 * 42.9 33.8 127 EVENING STAR 9200 .1 .0 * 54.3 42.3 128 MARQUETTE 8760 .0 -M * 24.0 -M * SYLVAN ROAD 7120 .0 .0 * 32.9 26.5 124 YOUNTS PEAK 8350 -M .0 * -M 26.9 * ----- ----- Basin Index (%) * 127 POWDER RIVER BEAR TRAP MEADOW 8200 .0 .0 * 24.2 18.8 129 CLOUD PEAK RESERVOIR 9860 .0 .0 * 34.9 27.9 125 GRAVE SPRINGS 8550 .0 .0 * 22.2 21.1 105 HANSEN SAWMILL 8360 .1 .0 * 23.8 20.1 118 MIDDLE POWDER 7760 .0 .0 * 29.1 22.7 128 POWDER RIVER PASS 9480 .0 .0 * 29.5 24.6 120 SOLDIER PARK 8720 .0 -M * 24.2 -M * ----- ----- Basin Index (%) * 121 TONGUE RIVER BIG GOOSE 7990 .0 .0 * 25.7 22.3 115 BONE SPRINGS DIV 9350 .1 .0 * 30.3 28.7 106 BURGESS JUNCTION 7880 .1 .0 * 25.5 23.5 109 DOME LAKE 8880 .0 .0 * 31.1 25.9 120 LITTLE GOOSE 8870 .1 -M * 31.3 -M * SUCKER CREEK 8880 .1 .0 * 31.5 27.5 115 TIE CREEK 6870 .1 .0 * 26.4 24.6 107 ----- ----- Basin Index (%) * 112 BELLE FOURCHE COLE CANYON 5910 .0 .0 * 25.9 23.7 109 ----- ----- Basin Index (%) * 109 CHEYENNE RIVER BASIN BLIND PARK 6890 .0 .0 * 29.9 25.8 116 NORTH RAPID CREEK 6130 .0 .0 * 30.9 25.2 123 ----- ----- Basin Index (%) * 119 UPPER N. PLATTE ARAPAHO RIDGE 10960 .1 .0 * 42.7 35.7 120 BLACKHALL MTN 9820 .0 -M * 50.5 -M * COLUMBINE 9160 .0 .0 * 47.9 36.1 133 DIVIDE PEAK 8880 .0 .0 * 34.9 31.6 110 JOE WRIGHT 10120 .0 .0 * 51.6 41.3 125 LAPRELE CREEK 8375 .0 .0 * 21.5 22.7 95 MED BOW 10500 -M -M * 55.8 -M * NORTH FRENCH CREEK 10130 -M .0 * 50.6 40.9 124 NEVER SUMMER 10280 .0 .0 * 38.6 -M * OLD BATTLE 10000 .1 .0 * 52.3 48.8 107 RAWAH 9020 .0 .0 * 32.8 25.0 131 SAGE CREEK BASIN 7850 .1 .0 * 20.0 21.3 94 SAND LAKE 10050 .1 .0 * 48.1 38.8 124 SOUTH BRUSH CREEK 8440 .1 .0 * 23.6 25.4 93 TOWER 10500 .0 .0 * 68.3 55.4 123 WEBBER SPRINGS 9250 .0 .0 * 43.8 37.9 116 WILLOW CREEK PASS 9540 .0 .0 * 29.6 24.1 123 ZIRKEL 9340 .0 .0 * 55.4 40.4 137 ----- ----- Basin Index (%) * 119 SWEETWATER DEER PARK 9700 .0 .0 * 30.0 32.9 91 LARSEN CREEK 9000 .0 .0 * 22.5 -M * SOUTH PASS 9040 .0 .0 * 21.7 27.9 78 ----- ----- Basin Index (%) * 85 LOWER N. PLATTE CASPER MTN. 7900 .0 .0 * 24.6 26.2 94 LAPRELE CREEK 8375 .0 .0 * 21.5 22.7 95 RENO HILL 8400 .1 .0 * 32.1 27.0 119 WINDY PEAK 7900 .0 .0 * 24.2 21.4 113 ----- ----- Basin Index (%) * 105 LARAMIE RIVER BROOKLYN LAKE 10240 .1 .0 * 43.1 33.6 128 CINNABAR PARK 9574 .1 .0 * 42.0 35.7 118 CROW CREEK 8330 .0 .0 * 25.3 24.0 105 DEADMAN HILL 10220 .0 .0 * 38.2 29.1 131 RAWAH 9020 .0 .0 * 32.8 25.0 131 ROACH 9700 .1 .0 * 39.6 31.1 127 ----- ----- Basin Index (%) * 124 S. PLATTE BLACK MOUNTAIN 8920 .0 -M * 26.4 -M * CROW CREEK 8330 .0 .0 * 25.3 24.0 105 DEADMAN HILL 10220 .0 .0 * 38.2 29.1 131 ----- ----- Basin Index (%) * 120 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 * 25.3 22.5 112 DIVIDE PEAK 8880 .0 .0 * 34.9 31.6 110 ELK RIVER 8700 .0 .0 * 34.0 30.2 113 LITTLE SNAKE RIVER 8915 -M .0 * 47.9 40.8 117 OLD BATTLE 10000 .1 .0 * 52.3 48.8 107 SAGE CREEK BASIN 7850 .1 .0 * 20.0 21.3 94 SANDSTONE RS 8150 .3 .0 * 23.9 27.3 88 WHISKEY PARK 8950 .0 .0 * 52.5 39.5 133 ----- ----- Basin Index (%) * 111 UPPER GREEN RIVER BIG SANDY OPENING 9080 .0 .0 * 22.0 22.2 99 BLIND BULL SUM 8650 .0 .0 * 34.2 29.0 118 EAST RIM DIVIDE 7930 .0 .0 * 23.5 18.6 126 ELKHART PARK G.S. 9400 .1 .0 * 26.5 22.5 118 GROS VENTRE SUMMIT 8750 .0 .0 * 24.3 21.7 112 GUNSIGHT PASS 9820 .0 .0 * 31.7 23.6 134 KENDALL R.S. 7740 .0 .0 * 30.3 21.4 142 LOOMIS PARK 8240 .0 .0 * 34.4 25.9 133 NEW FORK LAKE 8340 .1 .0 * 21.6 18.7 116 POCKET CREEK 9360 -M -M * 27.0 -M * SNIDER BASIN 8060 .1 .0 * 27.2 20.6 132 SPRING CREEK DIVIDE 9000 .2 .0 * 43.2 33.8 128 TRIPLE PEAK 8500 .0 .0 * 49.1 36.5 135 ----- ----- Basin Index (%) * 125 LOWER GREEN RIVER BLACKS FORK JCT 8870 .0 -M * 22.7 -M * BUCK PASTURE 9700 .0 -M * 25.6 -M * EF BLACKS FORK GS 9360 .0 -M * 20.9 -M * HAMS FORK 7840 .1 .0 * 23.7 18.6 127 HEWINTA 9519 .1 .0 * 26.2 24.0 109 HICKERSON PARK 9145 .3 .0 * 20.3 19.9 102 HOLE-IN-ROCK 9150 .0 .0 * 20.8 19.4 107 INDIAN CREEK 9425 .0 .0 * 37.7 32.1 117 KELLEY R.S. 8180 .3 .0 * 30.8 26.5 116 SPIRIT LK 10235 .0 -M * 28.3 -M * STEEL CREEK PARK 10200 .0 .0 * 29.0 27.8 104 ----- ----- Basin Index (%) * 112 UPPER BEAR RIVER BEAR RIVER RS 8777 .0 -M * 21.3 -M * BUG LAKE 7950 .2 .0 * 32.4 28.0 116 BURTS MILLER RANCH 8000 .2 -M * 12.5 -M * CHALK CREEK #1 8993 .1 .0 * 33.0 37.5 88 HAYDEN FORK 9212 .0 .0 * 34.6 31.8 109 KELLEY R.S. 8180 .3 .0 * 30.8 26.5 116 LILY LAKE 9156 .0 .0 * 25.9 27.2 95 MONTE CRISTO 8960 .2 .0 * 40.4 37.0 109 SALT RIVER SUMMIT 7760 .0 .0 * 28.1 25.0 112 ----- ----- Basin Index (%) * 106 ----------------------------------------------------------------------------- -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.