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 TUESDAY: FEBRUARY 14 , 2012 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 14.8 14.3 103 18.0 16.5 109 COTTONWOOD CREEK 7670 13.2 15.9 83 18.0 20.5 88 EAST RIM DIVIDE 7930 8.4 9.6 88 9.2 9.0 102 GRAND TARGHEE 9260 23.8 -M * 20.2 -M * GRANITE CREEK 6770 11.2 14.1 79 12.1 15.4 79 GRASSY LAKE 7265 21.7 26.0 83 25.9 27.7 94 GROS VENTRE SUMMIT 8750 7.4 10.3 72 8.0 9.5 84 GUNSIGHT PASS 9820 8.9 -M * 9.7 -M * LEWIS LAKE DIVIDE 7850 20.1 26.1 77 25.0 27.8 90 PHILLIPS BENCH 8200 16.8 21.0 80 18.7 21.8 86 SALT RIVER SUMMIT 7760 8.0 10.7 75 8.7 14.0 62 SNAKE RIVER STATION 6920 13.2 14.5 91 17.9 17.3 103 SPRING CREEK DIVIDE 9000 15.3 19.5 78 15.9 20.1 79 THUMB DIVIDE 7980 11.0 13.3 83 12.5 14.1 89 TOGWOTEE PASS 9580 15.0 18.7 80 16.9 18.5 91 TWO OCEAN PLATEAU 9240 24.2 21.0 115 20.3 20.6 99 WILLOW CREEK 8380 17.7 22.6 78 22.9 24.0 95 ----- ----- Basin wide percent of average 85 90 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 17.1 18.0 95 16.8 15.4 109 BLACK BEAR 8170 23.6 28.7 82 24.9 29.2 85 CANYON 7870 8.6 10.0 86 10.1 11.8 86 FISHER CREEK 9100 23.6 26.4 89 23.4 27.2 86 MADISON PLATEAU 7750 14.0 18.2 77 17.8 19.5 91 NORTHEAST ENTRANCE 7350 6.5 8.7 75 8.6 9.8 88 PARKER PEAK 9400 16.0 16.2 99 16.5 12.2 135 SYLVAN LAKE 8420 12.5 16.5 76 17.3 16.2 107 THUMB DIVIDE 7980 11.0 13.3 83 12.5 14.1 89 TWO OCEAN PLATEAU 9240 24.2 21.0 115 20.3 20.6 99 WHISKEY CREEK 6800 9.6 12.6 76 12.8 15.3 84 WHITE MILL 8700 14.8 17.9 83 16.2 20.2 80 WOLVERINE 7650 9.4 9.5 99 9.7 10.1 96 ----- ----- Basin wide percent of average 88 93 WIND RIVER BURROUGHS CREEK 8750 10.1 11.1 91 10.4 12.3 85 CASTLE CREEK 8400 5.6 -M * 6.6 -M * COLD SPRINGS 9630 5.9 6.3 94 6.9 7.6 91 DEER PARK 9700 8.3 13.2 63 12.8 16.1 80 HOBBS PARK 10100 11.0 10.5 105 10.6 8.9 119 LITTLE WARM 9370 5.6 8.4 67 7.9 9.9 80 SOUTH PASS 9040 10.2 12.2 84 10.2 13.5 76 ST. LAWRENCE ALT 8620 4.4 5.1 86 6.0 6.3 95 TOGWOTEE PASS 9580 15.0 18.7 80 16.9 18.5 91 TOWNSEND CREEK 8700 6.6 6.1 108 9.1 8.0 114 ----- ----- Basin wide percent of average 84 90 BIGHORN BASIN BALD MTN. 9380 12.9 14.4 90 9.9 12.8 77 BEAR TRAP MEADOW 8200 4.8 3.9 123 5.9 5.9 100 BLACKWATER 9780 18.2 18.0 101 17.9 15.5 115 BONE SPRINGS DIV 9350 13.7 11.6 118 11.0 10.5 105 EVENING STAR 9200 20.2 22.1 91 21.9 19.5 112 GRAVE SPRINGS 8550 6.0 6.4 94 7.5 6.9 109 KIRWIN 9550 9.3 8.2 113 11.1 8.3 134 MARQUETTE 8760 6.6 -M * 10.4 6.7 155 MIDDLE POWDER 7760 7.4 8.0 92 8.4 8.8 95 OWL CREEK 8975 3.6 3.6 100 4.2 4.0 105 POWDER RIVER PASS 9480 7.0 7.8 90 8.7 9.0 97 SHELL CREEK 9580 11.3 10.6 107 9.6 10.0 96 SYLVAN LAKE 8420 12.5 16.5 76 17.3 16.2 107 SYLVAN ROAD 7120 9.5 10.0 95 13.0 14.4 90 TIMBER CREEK 7950 4.1 3.9 105 7.6 4.9 155 YOUNTS PEAK 8350 12.1 13.0 93 12.0 12.4 97 ----- ----- Basin wide percent of average 97 106 SHOSHONE RIVER BLACKWATER 9780 18.2 18.0 101 17.9 15.5 115 EVENING STAR 9200 20.2 22.1 91 21.9 19.5 112 KIRWIN 9550 9.3 8.2 113 11.1 8.3 134 MARQUETTE 8760 6.6 -M * 10.4 6.7 155 SYLVAN LAKE 8420 12.5 16.5 76 17.3 16.2 107 SYLVAN ROAD 7120 9.5 10.0 95 13.0 14.4 90 YOUNTS PEAK 8350 12.1 13.0 93 12.0 12.4 97 ----- ----- Basin wide percent of average 93 111 POWDER-TONGUE BEAR TRAP MEADOW 8200 4.8 3.9 123 5.9 5.9 100 BIG GOOSE 7990 7.6 6.7 113 11.3 6.2 182 BONE SPRINGS DIV 9350 13.7 11.6 118 11.0 10.5 105 BURGESS JUNCTION 7880 9.0 8.0 112 11.3 8.6 131 CLOUD PEAK RESERVOIR 9860 12.0 8.8 136 11.4 8.9 128 DOME LAKE 8880 10.6 8.7 122 11.6 9.4 123 GRAVE SPRINGS 8550 6.0 6.4 94 7.5 6.9 109 HANSEN SAWMILL 8360 4.2 4.6 91 6.2 5.7 109 LITTLE GOOSE 8870 8.4 -M * 13.0 -M * MIDDLE POWDER 7760 7.4 8.0 92 8.4 8.8 95 POWDER RIVER PASS 9480 7.0 7.8 90 8.7 9.0 97 SOLDIER PARK 8720 9.4 -M * 7.6 -M * SUCKER CREEK 8880 10.9 8.0 136 11.4 9.5 120 TIE CREEK 6870 5.4 4.4 123 11.3 7.2 157 ----- ----- Basin wide percent of average 113 120 BELLE FOURCHE BLIND PARK 6890 5.3 5.8 91 6.0 8.4 71 COLE CANYON 5910 3.9 5.0 78 5.5 5.0 110 NORTH RAPID CREEK 6130 5.4 5.8 93 5.1 6.8 75 ----- ----- Basin wide percent of average 88 82 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 15.9 -M * 17.2 -M * CINNABAR PARK 9574 12.5 14.6 86 16.1 15.8 102 COLUMBINE 9160 13.3 19.1 70 14.4 18.5 78 DIVIDE PEAK 8880 10.7 14.1 76 14.4 15.1 95 ELK RIVER 8700 9.8 14.1 70 10.8 14.2 76 JOE WRIGHT 10120 11.5 15.4 75 14.9 17.9 83 NORTH FRENCH CREEK 10130 15.7 20.2 78 15.9 18.0 88 OLD BATTLE 10000 16.4 22.8 72 19.8 24.9 80 SAGE CREEK BASIN 7850 11.2 8.2 137 7.7 8.8 88 SOUTH BRUSH CREEK 8440 6.1 8.5 72 9.2 12.0 77 TOWER 10500 20.4 33.6 61 22.1 28.3 78 WEBBER SPRINGS 9250 12.5 18.3 68 16.1 19.8 81 WILLOW CREEK PASS 9540 -M 8.4 * 7.0 9.2 76 ----- ----- Basin wide percent of average 74 83 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 12.3 17.0 72 13.8 15.6 88 CASPER MTN. 7900 15.2 10.0 152 15.2 9.8 155 DEADMAN HILL 10220 13.1 11.6 113 12.2 11.7 104 DEER PARK 9700 8.3 13.2 63 12.8 16.1 80 LAPRELE CREEK 8375 7.4 7.9 94 10.0 8.9 112 RENO HILL 8400 12.5 9.2 136 14.0 10.2 137 ROACH 9700 10.4 12.4 84 13.2 12.9 102 SAND LAKE 10050 18.2 22.1 82 18.3 17.3 106 SOUTH PASS 9040 10.2 12.2 84 10.2 13.5 76 WINDY PEAK 7900 5.8 5.2 112 7.5 7.6 99 ----- ----- Basin wide percent of average 94 103 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 7.5 8.6 87 8.5 10.9 78 DIVIDE PEAK 8880 10.7 14.1 76 14.4 15.1 95 OLD BATTLE 10000 16.4 22.8 72 19.8 24.9 80 SANDSTONE RS 8150 7.1 11.0 65 8.8 13.9 63 WHISKEY PARK 8950 13.8 20.9 66 17.5 21.1 83 ----- ----- Basin wide percent of average 72 80 UPPER GREEN RIVER BIG SANDY OPENING 9080 9.5 10.7 89 9.8 10.0 98 BLIND BULL SUM 8650 15.6 20.4 76 13.2 17.0 78 EAST RIM DIVIDE 7930 8.4 9.6 88 9.2 9.0 102 ELKHART PARK G.S. 9400 9.0 9.8 92 10.5 9.7 108 GROS VENTRE SUMMIT 8750 7.4 10.3 72 8.0 9.5 84 GUNSIGHT PASS 9820 8.9 -M * 9.7 -M * KENDALL R.S. 7740 10.8 10.9 99 11.9 10.9 109 LOOMIS PARK 8240 10.2 12.6 81 12.4 13.1 95 NEW FORK LAKE 8340 8.4 8.6 98 8.1 8.6 94 POCKET CREEK 9360 6.9 -M * 9.5 -M * SNIDER BASIN 8060 8.6 11.0 78 9.1 12.2 75 SPRING CREEK DIVIDE 9000 15.3 19.5 78 15.9 20.1 79 TRIPLE PEAK 8500 15.5 18.5 84 18.1 18.1 100 ----- ----- Basin wide percent of average 84 91 LOWER GREEN RIVER HAMS FORK 7840 7.4 9.5 78 7.7 9.3 83 HEWINTA 9519 6.2 7.8 79 9.3 10.3 90 HICKERSON PARK 9145 7.2 5.1 141 9.9 5.6 177 HOLE-IN-ROCK 9150 6.4 4.8 133 9.3 5.2 179 INDIAN CREEK 9425 14.5 19.6 74 13.5 18.7 72 KELLEY R.S. 8180 10.2 12.1 84 12.2 15.3 80 STEEL CREEK PARK 10200 -M 10.8 * 10.5 11.3 93 ----- ----- Basin wide percent of average 88 96 UPPER BEAR RIVER BUG LAKE 7950 9.4 15.0 63 11.3 14.3 79 HAYDEN FORK 9212 7.5 11.3 66 12.4 15.1 82 KELLEY R.S. 8180 10.2 12.1 84 12.2 15.3 80 LILY LAKE 9156 6.2 9.4 66 8.7 12.7 69 MONTE CRISTO 8960 12.6 21.2 59 13.4 18.6 72 SALT RIVER SUMMIT 7760 8.0 10.7 75 8.7 14.0 62 TRIAL LAKE 9992 9.4 17.9 53 9.8 17.8 55 ----- ----- Basin wide percent of average 65 71 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. Units = inches for the Current and Average Snow Water Equivalent and Total Precipitation values If the Basin wide percent of average 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 Average represents the snow water equivalent found at selected SNOTEL sites in or near the basin compared to the average 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 average conditions is 1971-2000. 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.