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: NOVEMBER 10 , 2001 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 1.5 0* 4.4 3.2 138 COTTONWOOD CREEK 7600 .8 1.9 42* 3.9 4.4 89 GRANITE CREEK 6770 .0 1.2 0* 3.9 2.8 139 GRASSY LAKE 7265 .7 3.0 23* 5.1 5.1 100 GROS VENTRE SUMMIT 8775 1.8 2.0 90 2.1 2.5 84 LEWIS LAKE DIVIDE 7860 2.4 2.9 83* 5.3 5.1 104 PHILLIPS BENCH 8200 2.1 2.7 78* 4.4 3.8 116 SALT RIVER SUMMIT 7600 .1 .9 11* 2.2 2.8 79 SNAKE RIVER STATION 6920 .0 1.4 0* 3.6 3.5 103 SPRING CREEK DIVIDE 9000 2.5 2.9 86 4.2 3.9 108 THUMB DIVIDE 7980 .8 1.7 47* 3.2 3.1 103 TOGWOTEE PASS 9580 4.6 3.9 118 4.8 4.1 117 TWO OCEAN PLATEAU 9360 4.8 4.6 104 4.4 4.6 96 WILLOW CREEK 8450 .5 3.4 15 5.1 5.3 96 ----- ----- Basin wide percent of average 62* 104 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 4.3 4.0 108 4.3 3.1 139 BLACK BEAR 7950 -M 4.6 * 6.0 5.7 105 CANYON 7940 .7 1.3 54* 2.6 2.8 93 FISHER CREEK 9100 5.0 4.4 114 5.7 5.0 114 MADISON PLATEAU 7750 .7 2.7 26 4.0 4.0 100 NORTHEAST ENTRANCE 7350 .1 .8 12* 2.2 2.3 96 PARKER PEAK 9400 3.2 3.8 84 -M 3.3 * SYLVAN LAKE 8420 2.1 3.2 66 4.4 4.0 110 THUMB DIVIDE 7980 .8 1.7 47* 3.2 3.1 103 TWO OCEAN PLATEAU 9360 4.8 4.6 104 4.4 4.6 96 WHISKEY CREEK 6800 .1 1.5 7* 3.4 3.3 103 WHITE MILL 8700 4.1 3.3 124 4.4 4.0 110 WOLVERINE 7650 .1 1.1 9* 2.7 2.5 108 ----- ----- Basin wide percent of average 80 107 WIND RIVER BURROUGHS CREEK 8750 2.4 1.8 133 3.0 2.9 103 COLD SPRINGS 9630 .3 1.7 18 1.1 2.5 44 DEER PARK 9700 2.1 -M * 2.8 -M * HOBBS PARK 10100 1.4 3.2 44 1.3 3.1 42 LITTLE WARM 9620 1.7 1.8 94 2.3 2.7 85 SOUTH PASS 9040 .6 2.6 23 2.1 3.1 68 ST. LAWRENCE ALT 8620 .1 1.5 7 .7 2.2 32 TOGWOTEE PASS 9580 4.6 3.9 118 4.8 4.1 117 TOWNSEND CREEK 8700 .1 1.7 6 -M 2.9 * ----- ----- Basin wide percent of average 62 74 BIGHORN BASIN BALD MTN. 9375 4.5 3.9 115 4.4 3.3 133 BEAR TRAP MEADOW 7900 .4 .9 44 2.3 2.4 96 BLACKWATER 9780 4.5 4.4 102 3.8 3.7 103 BONE SPRINGS DIV 9350 3.9 3.6 108 4.1 3.1 132 EVENING STAR 9200 4.0 4.3 93 5.7 4.6 124 GRAVE SPRINGS 8550 .4 1.7 24 2.6 2.1 124 KIRWIN 9550 2.1 2.6 81 2.2 2.6 85 MARQUETTE 8760 1.1 2.5 44 1.0 2.6 38 MIDDLE POWDER 7760 .3 2.1 14 2.5 3.2 78 OWL CREEK 8975 .1 1.3 8 .6 1.5 40 POWDER RIVER PASS 9480 2.5 1.9 132 3.7 2.5 148 SHELL CREEK 9580 4.3 3.5 123 4.1 2.7 152 SYLVAN LAKE 8420 2.1 3.2 66 4.4 4.0 110 SYLVAN ROAD 8120 .3 1.3 23* 4.1 3.3 124 TIMBER CREEK 7950 .0 1.6 0 1.1 2.1 52 YOUNTS PEAK 8350 -M 2.3 * 3.3 2.9 114 ----- ----- Basin wide percent of average 79 107 SHOSHONE RIVER BLACKWATER 9780 4.5 4.4 102 3.8 3.7 103 EVENING STAR 9200 4.0 4.3 93 5.7 4.6 124 KIRWIN 9550 2.1 2.6 81 2.2 2.6 85 MARQUETTE 8760 1.1 2.5 44 1.0 2.6 38 SYLVAN LAKE 8420 2.1 3.2 66 4.4 4.0 110 SYLVAN ROAD 8120 .3 1.3 23* 4.1 3.3 124 YOUNTS PEAK 8350 -M 2.3 * 3.3 2.9 114 ----- ----- Basin wide percent of average 77 103 POWDER-TONGUE BEAR TRAP MEADOW 7900 .4 .9 44 2.3 2.4 96 BIG GOOSE 7990 .9 -M * 3.4 3.0 113 BONE SPRINGS DIV 9350 3.9 3.6 108 4.1 3.1 132 BURGESS JUNCTION 7880 1.4 2.3 61 3.1 2.7 115 CLOUD PEAK RESERVOIR 9860 2.5 2.3 109 4.1 3.5 117 DOME LAKE 8880 2.5 2.7 93 4.1 3.2 128 GRAVE SPRINGS 8550 .4 1.7 24 2.6 2.1 124 HANSEN SAWMILL 8760 .4 1.2 33 2.3 2.2 105 MIDDLE POWDER 7760 .3 2.1 14 2.5 3.2 78 POWDER RIVER PASS 9480 2.5 1.9 132 3.7 2.5 148 SUCKER CREEK 8880 2.5 2.0 125 4.4 3.0 147 TIE CREEK 6870 .0 1.1 0 3.0 2.4 125 ----- ----- Basin wide percent of average 77 119 BELLE FOURCHE BLIND PARK 6890 .3 1.2 25 2.8 2.3 122 COLE CANYON 5910 .0 -M * 1.4 -M * NORTH RAPID CREEK 6130 .1 -M * 2.4 2.2 109 ----- ----- Basin wide percent of average 25* 116 UPPER N. PLATTE RIVER COLUMBINE 9400 .3 2.0 15* 2.6 3.5 74 DIVIDE PEAK 8800 1.2 2.7 44 1.8 3.7 49 ELK RIVER 8700 .0 1.3 0* 2.1 3.1 68 JOE WRIGHT 10120 1.1 3.9 28 2.7 4.7 57 NORTH FRENCH CREEK 10100 2.7 4.6 59 2.6 4.5 58 OLD BATTLE 10000 1.4 4.8 29 3.2 5.2 62 SAGE CREEK BASIN 7850 -M -M * -M -M * SOUTH BRUSH CREEK 8400 .2 1.4 14 1.5 3.3 45 TOWER 10500 2.1 6.3 33 3.1 5.9 53 WEBBER SPRINGS 9200 .5 3.3 15 2.6 4.5 58 WILLOW CREEK PASS 9540 1.3 2.0 65 .7 2.7 26 ----- ----- Basin wide percent of average 33 56 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 2.1 3.3 64 3.2 3.6 89 CASPER MTN. 7900 .9 2.6 35 3.4 3.3 103 DEADMAN HILL 10220 .8 3.1 26 1.8 3.3 55 DEER PARK 9700 2.1 -M * 2.8 -M * LAPRELE CREEK 8320 .5 1.7 29 3.0 2.6 115 RENO HILL 8400 .9 2.5 36 3.3 3.2 103 ROACH 9700 .5 2.1 24 1.8 3.2 56 SAND LAKE 10080 3.2 5.1 63 3.8 4.2 90 SOUTH PASS 9040 .6 2.6 23 2.1 3.1 68 WINDY PEAK 7840 .2 1.1 18 2.5 2.3 109 ----- ----- Basin wide percent of average 40 86 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .9 0* .5 2.6 19 DIVIDE PEAK 8800 1.2 2.7 44 1.8 3.7 49 OLD BATTLE 10000 1.4 4.8 29 3.2 5.2 62 SANDSTONE RS 8150 -M 1.1 * 2.2 3.2 69 WHISKEY PARK 8950 .5 3.0 17* 2.9 4.3 67 ----- ----- Basin wide percent of average 27* 56 UPPER GREEN RIVER BIG SANDY OPENING 9100 2.9 2.0 145 2.4 2.5 96 BLIND BULL SUM 8650 3.5 3.1 113 3.8 3.4 112 EAST RIM DIVIDE 7930 .1 1.3 8* 2.1 2.0 105 ELKHART PARK G.S. 9400 1.5 1.6 94 2.5 2.7 93 GROS VENTRE SUMMIT 8775 1.8 2.0 90 2.1 2.5 84 KENDALL R.S. 7740 .3 1.3 23* 2.7 2.3 117 LOOMIS PARK 8240 1.3 1.8 72 3.2 2.7 119 NEW FORK LAKE 8340 .5 1.2 42 2.1 2.3 91 SNIDER BASIN 8250 -M 1.5 * 2.8 2.4 117 SPRING CREEK DIVIDE 9000 2.5 2.9 86 4.2 3.9 108 TRIPLE PEAK 8500 2.9 2.6 112* 5.1 3.5 146 ----- ----- Basin wide percent of average 87 109 LOWER GREEN RIVER HAMS FORK 7840 .2 1.0 20* 1.3 2.0 65 HEWINTA 9500 .2 1.2 17* 2.5 3.1 81 HICKERSON PARK 9150 .0 .8 0* 1.1 2.1 52 HOLE-IN-ROCK 9150 .1 .8 12 1.7 2.1 81 INDIAN CREEK 9425 2.2 3.0 73* 2.7 3.9 69 KELLEY R.S. 8180 .1 1.8 6 2.1 3.1 68 STEEL CREEK PARK 10100 .9 2.3 39 1.6 3.1 52 ----- ----- Basin wide percent of average 34* 67 UPPER BEAR RIVER BUG LAKE 7950 -M 2.0 * 1.9 3.4 56 HAYDEN FORK 9400 .2 1.5 13* 3.2 3.5 91 KELLEY R.S. 8180 .1 1.8 6 2.1 3.1 68 LILY LAKE 9050 .0 1.5 0 2.4 3.4 71 MONTE CRISTO 8960 .3 2.5 12* 3.1 4.1 76 SALT RIVER SUMMIT 7600 .1 .9 11* 2.2 2.8 79 TRIAL LAKE 9960 .7 3.0 23 3.2 3.9 82 ----- ----- Basin wide percent of average 12* 75 ----------------------------------------------------------------------------- -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.