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 16 , 2013 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER BASE CAMP 7030 12.5 12.7 98 15.4 15.6 99 BLACK BEAR 8170 27.7 27.2 102 26.3 27.9 94 BLIND BULL SUM 8650 13.8 16.1 86 11.0 14.5 76 COTTONWOOD CREEK 7670 13.3 14.8 90 16.9 17.7 95 EAST RIM DIVIDE 7930 7.7 7.3 105 6.4 8.5 75 GRAND TARGHEE 9260 26.8 26.6 101 21.3 23.3 91 GRANITE CREEK 6770 9.7 12.4 78 11.6 15.1 77 GRASSY LAKE 7265 19.5 24.1 81 23.1 27.0 86 GROS VENTRE SUMMIT 8750 8.0 8.9 90 8.5 9.1 93 GUNSIGHT PASS 9820 8.6 9.5 91 8.9 10.0 89 LEWIS LAKE DIVIDE 7850 20.4 23.2 88 24.1 26.1 92 PHILLIPS BENCH 8200 15.1 17.9 84 16.9 20.5 82 SALT RIVER SUMMIT 7760 7.5 9.3 81 10.5 12.1 87 SNAKE RIVER STATION 6920 10.6 13.1 81 15.9 17.2 92 SPRING CREEK DIVIDE 9000 15.4 16.4 94 15.9 17.4 91 THUMB DIVIDE 7980 11.4 10.7 107 12.5 13.3 94 TOGWOTEE PASS 9580 14.6 16.5 88 15.4 17.7 87 TWO OCEAN PLATEAU 9240 20.0 19.5 103 18.0 19.6 92 WILLOW CREEK 8380 17.0 19.6 87 21.2 24.2 88 YOUNTS PEAK 8350 9.5 10.9 87 8.9 11.6 77 ----- ----- Basin wide percent 91 89 MADISON-GALLATIN BLACK BEAR 8170 27.7 27.2 102 26.3 27.9 94 CANYON 7870 7.8 9.4 83 9.0 12.0 75 MADISON PLATEAU 7750 16.1 15.7 103 19.3 19.1 101 WEST YELLOWSTONE 6700 6.5 7.7 84 10.5 10.7 98 WHISKEY CREEK 6800 8.0 10.8 74 14.1 14.8 95 ----- ----- Basin wide percent 93 94 YELLOWSTONE BEARTOOTH LAKE 9360 12.3 15.4 80 12.7 14.4 88 BURNT MTN 5880 3.5 3.5 100 7.4 8.7 85 CANYON 7870 7.8 9.4 83 9.0 12.0 75 COLE CREEK 7850 7.2 8.9 81 6.5 8.4 77 EVENING STAR 9200 18.4 17.7 104 21.0 20.2 104 FISHER CREEK 9100 24.8 23.3 106 23.9 23.2 103 NORTHEAST ENTRANCE 7350 5.6 7.4 76 8.9 9.2 97 PARKER PEAK 9400 15.4 14.1 109 15.3 12.7 120 SYLVAN LAKE 8420 12.8 14.2 90 17.1 16.4 104 THUMB DIVIDE 7980 11.4 10.7 107 12.5 13.3 94 TWO OCEAN PLATEAU 9240 20.0 19.5 103 18.0 19.6 92 WHITE MILL 8700 16.3 16.3 100 16.6 17.3 96 WOLVERINE 7650 7.4 7.9 94 7.8 9.1 86 ----- ----- Basin wide percent 97 96 WIND RIVER BURROUGHS CREEK 8750 8.2 9.6 85 7.6 11.6 66 CASTLE CREEK 8400 4.6 -M * 6.0 -M * COLD SPRINGS 9630 5.8 5.1 114 6.9 6.8 101 DEER PARK 9700 8.8 9.8 90 10.1 14.0 72 HOBBS PARK 10100 7.9 8.6 92 7.5 8.6 87 KIRWIN 9550 -M 6.2 * -M 8.0 * LITTLE WARM 9370 7.1 7.3 97 8.5 9.0 94 OWL CREEK 8975 3.8 3.3 115 3.9 3.9 100 SOUTH PASS 9040 7.2 10.2 71 6.7 12.2 55 ST. LAWRENCE ALT 8620 3.0 4.6 65 5.1 5.9 86 TOGWOTEE PASS 9580 14.6 16.5 88 15.4 17.7 87 TOWNSEND CREEK 8700 3.4 5.8 59 5.5 7.9 70 ----- ----- Basin wide percent 86 79 BIGHORN BASIN BALD MTN. 9380 9.8 13.0 75 7.0 11.8 59 BEAR TRAP MEADOW 8200 6.2 3.8 163 6.5 5.6 116 BONE SPRINGS DIV 9350 10.1 10.8 94 8.5 10.6 80 GRAVE SPRINGS 8550 4.7 5.6 84 5.7 7.2 79 KIRWIN 9550 -M 6.2 * -M 8.0 * MARQUETTE 8760 3.8 -M * 5.8 -M * MIDDLE POWDER 7760 7.4 7.1 104 10.4 8.0 130 OWL CREEK 8975 3.8 3.3 115 3.9 3.9 100 POWDER RIVER PASS 9480 8.1 7.2 112 8.7 8.7 100 SHELL CREEK 9580 9.8 10.1 97 9.0 9.7 93 TIMBER CREEK 7950 2.4 3.1 77 4.7 4.8 98 ----- ----- Basin wide percent 97 92 SHOSHONE RIVER BLACKWATER 9780 15.5 15.6 99 15.6 14.7 106 EVENING STAR 9200 18.4 17.7 104 21.0 20.2 104 MARQUETTE 8760 3.8 -M * 5.8 -M * SYLVAN ROAD 7120 7.1 8.7 82 12.5 13.0 96 YOUNTS PEAK 8350 9.5 10.9 87 8.9 11.6 77 ----- ----- Basin wide percent 95 97 POWDER RIVER BEAR TRAP MEADOW 8200 6.2 3.8 163 6.5 5.6 116 CLOUD PEAK RESERVOIR 9860 8.4 9.6 88 7.6 8.7 87 GRAVE SPRINGS 8550 4.7 5.6 84 5.7 7.2 79 HANSEN SAWMILL 8360 4.3 4.3 100 5.7 5.5 104 MIDDLE POWDER 7760 7.4 7.1 104 10.4 8.0 130 POWDER RIVER PASS 9480 8.1 7.2 112 8.7 8.7 100 SOLDIER PARK 8720 3.0 -M * 5.8 -M * ----- ----- Basin wide percent 104 102 TONGUE RIVER BIG GOOSE 7990 4.6 5.7 81 6.1 7.3 84 BONE SPRINGS DIV 9350 10.1 10.8 94 8.5 10.6 80 BURGESS JUNCTION 7880 6.6 7.4 89 6.4 8.2 78 DOME LAKE 8880 6.3 7.8 81 6.7 9.2 73 LITTLE GOOSE 8870 5.3 -M * 8.1 -M * SUCKER CREEK 8880 8.4 8.0 105 8.4 9.6 88 TIE CREEK 6870 3.7 3.9 95 7.6 7.8 97 ----- ----- Basin wide percent 91 83 BELLE FOURCHE COLE CANYON 5910 3.8 4.5 84 5.2 6.5 80 ----- ----- Basin wide percent 84 80 CHEYENNE RIVER BASIN BLIND PARK 6890 4.9 5.6 88 7.6 8.5 89 NORTH RAPID CREEK 6130 5.0 5.3 94 6.2 7.0 89 ----- ----- Basin wide percent 91 89 UPPER N. PLATTE ARAPAHO RIDGE 10960 12.5 -M * 12.4 -M * BLACKHALL MTN 9820 16.8 -M * 18.7 -M * COLUMBINE 9160 14.0 17.3 81 14.4 18.5 78 DIVIDE PEAK 8880 10.6 14.0 76 12.4 15.4 81 JOE WRIGHT 10120 9.1 14.6 62 16.0 18.0 89 LAPRELE CREEK 8375 3.4 6.6 52 5.2 8.4 62 MED BOW 10500 17.0 -M * 21.0 -M * NORTH FRENCH CREEK 10130 15.7 19.1 82 16.1 19.0 85 NEVER SUMMER 10280 10.2 -M * 8.3 -M * OLD BATTLE 10000 17.7 22.0 80 19.8 25.5 78 RAWAH 9020 6.9 -M * 9.5 -M * SAGE CREEK BASIN 7850 7.7 9.6 80 7.9 10.9 72 SAND LAKE 10050 15.1 18.5 82 15.3 17.0 90 SOUTH BRUSH CREEK 8440 6.9 8.4 82 8.3 10.6 78 TOWER 10500 22.1 32.4 68 21.2 28.8 74 WEBBER SPRINGS 9250 13.7 16.6 83 15.2 19.1 80 WILLOW CREEK PASS 9540 8.4 8.5 99 9.6 9.3 103 ZIRKEL 9340 15.5 -M * 18.0 -M * ----- ----- Basin wide percent 77 80 SWEETWATER DEER PARK 9700 8.8 9.8 90 10.1 14.0 72 LARSEN CREEK 9000 5.6 -M * 8.5 -M * SOUTH PASS 9040 7.2 10.2 71 6.7 12.2 55 ----- ----- Basin wide percent 80 64 LOWER N. PLATTE CASPER MTN. 7900 4.2 8.8 48 -M 10.1 * LAPRELE CREEK 8375 3.4 6.6 52 5.2 8.4 62 RENO HILL 8400 5.5 8.8 62 6.9 10.1 68 WINDY PEAK 7900 2.6 5.1 51 5.0 7.1 70 ----- ----- Basin wide percent 54 67 LARAMIE RIVER BROOKLYN LAKE 10240 11.7 13.8 85 11.2 14.5 77 CINNABAR PARK 9574 11.3 15.8 72 12.4 18.1 69 CROW CREEK 8330 2.7 6.3 43 4.9 7.1 69 DEADMAN HILL 10220 9.1 11.4 80 8.8 11.5 77 RAWAH 9020 6.9 -M * 9.5 -M * ROACH 9700 8.1 11.5 70 9.7 13.3 73 ----- ----- Basin wide percent 73 73 S. PLATTE BLACK MOUNTAIN 8920 4.9 -M * 6.2 -M * CROW CREEK 8330 2.7 6.3 43 4.9 7.1 69 DEADMAN HILL 10220 9.1 11.4 80 8.8 11.5 77 ----- ----- Basin wide percent 67 74 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 6.1 8.6 71 7.8 11.0 71 DIVIDE PEAK 8880 10.6 14.0 76 12.4 15.4 81 ELK RIVER 8700 10.1 13.7 74 10.7 14.5 74 LITTLE SNAKE RIVER 8915 14.7 18.2 81 18.5 23.1 80 OLD BATTLE 10000 17.7 22.0 80 19.8 25.5 78 SAGE CREEK BASIN 7850 7.7 9.6 80 7.9 10.9 72 SANDSTONE RS 8150 8.2 9.8 84 9.0 13.6 66 WHISKEY PARK 8950 16.3 19.1 85 17.9 20.4 88 ----- ----- Basin wide percent 79 77 UPPER GREEN RIVER BIG SANDY OPENING 9080 7.9 9.0 88 8.2 9.3 88 BLIND BULL SUM 8650 13.8 16.1 86 11.0 14.5 76 EAST RIM DIVIDE 7930 7.7 7.3 105 6.4 8.5 75 ELKHART PARK G.S. 9400 7.5 8.5 88 8.0 9.4 85 GROS VENTRE SUMMIT 8750 8.0 8.9 90 8.5 9.1 93 GUNSIGHT PASS 9820 8.6 9.5 91 8.9 10.0 89 KENDALL R.S. 7740 7.5 8.9 84 8.8 10.4 85 LOOMIS PARK 8240 8.6 10.5 82 10.1 12.6 80 NEW FORK LAKE 8340 6.1 7.5 81 5.4 7.8 69 POCKET CREEK 9360 7.1 -M * 8.3 -M * SNIDER BASIN 8060 7.8 8.9 88 9.6 10.4 92 SPRING CREEK DIVIDE 9000 15.4 16.4 94 15.9 17.4 91 TRIPLE PEAK 8500 13.6 15.4 88 16.0 18.0 89 ----- ----- Basin wide percent 89 85 LOWER GREEN RIVER BLACKS FORK JCT 8870 4.4 -M * 5.9 -M * BUCK PASTURE 9700 8.3 -M * 10.7 -M * EF BLACKS FORK GS 9308 9.3 -M * 5.9 -M * HAMS FORK 7840 6.8 8.3 82 6.4 8.2 78 HEWINTA 9519 5.7 6.9 83 7.8 9.8 80 HICKERSON PARK 9145 4.2 5.0 84 5.9 6.9 86 HOLE-IN-ROCK 9150 5.3 4.7 113 6.4 6.4 100 INDIAN CREEK 9425 13.8 16.5 84 12.7 16.0 79 KELLEY R.S. 8180 8.8 10.5 84 9.9 13.1 76 SPIRIT LK 10223 7.3 7.0 104 10.5 13.3 79 STEEL CREEK PARK 10200 6.7 10.2 66 9.3 11.2 83 ----- ----- Basin wide percent 85 81 UPPER BEAR RIVER BEAR RIVER RS 8500 5.3 -M * 7.2 -M * BUG LAKE 7950 11.0 13.1 84 12.4 13.9 89 BURTS MILLER RANCH 8000 3.5 3.3 106 5.1 6.8 75 CHALK CREEK #1 8993 12.0 15.9 75 14.6 17.6 83 HAYDEN FORK 9212 7.3 10.8 68 10.8 14.8 73 KELLEY R.S. 8180 8.8 10.5 84 9.9 13.1 76 LILY LAKE 9156 6.8 8.9 76 8.3 12.0 69 MONTE CRISTO 8960 13.9 18.7 74 16.1 18.3 88 SALT RIVER SUMMIT 7760 7.5 9.3 81 10.5 12.1 87 ----- ----- Basin wide percent 78 81 ----------------------------------------------------------------------------- -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 wide percent 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. Reference period for comparison of conditions is 1981-2010. Provisional data, subject to revision. ---------------------------------------------------------------------------- -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.