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 WEDNESDAY: NOVEMBER 1 , 2000 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .7 -0* 2.4 2.0 120 COTTONWOOD CREEK 7600 1.1 .7 157* 3.1 2.2 141 GRANITE CREEK 6770 .0 .6 0* 2.9 2.3 126 GRASSY LAKE 7265 1.2 1.1 109* 5.1 3.3 155 GROS VENTRE SUMMIT 8775 1.7 1.1 155* 1.7 1.6 106 LEWIS LAKE DIVIDE 7860 .9 1.4 64* 3.6 3.4 106 PHILLIPS BENCH 8200 1.9 1.2 158* 3.0 2.6 115 SALT RIVER SUMMIT 7600 .1 .0 * 2.6 1.7 153 SNAKE RIVER STATION 6920 .2 .6 33* 3.3 2.3 143 SPRING CREEK DIVIDE 9000 2.2 1.4 157* 2.9 2.1 138 THUMB DIVIDE 7980 .0 .5 -0* 2.2 1.9 116 TOGWOTEE PASS 9580 2.7 2.3 117* 2.7 2.5 108 TWO OCEAN PLATEAU 9360 2.9 3.5 83 3.0 2.8 107 WILLOW CREEK 8450 .6 1.2 50* 4.0 2.8 143 ----- ----- Basin wide percent of average 94* 127 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.5 3.0 83 2.5 1.9 132 BLACK BEAR 7950 4.0 2.7 148* 5.4 3.5 154 CANYON 7940 .7 .8 87* 2.3 1.8 128 FISHER CREEK 9100 2.5 2.6 96* 3.6 3.0 120 MADISON PLATEAU 7750 1.8 1.5 120* 4.0 2.5 160 NORTHEAST ENTRANCE 7350 .0 .3 -0* 1.8 1.5 120 PARKER PEAK 9400 2.0 3.7 54 3.0 2.2 136 SYLVAN LAKE 8420 2.0 2.5 80 3.9 2.6 150 THUMB DIVIDE 7980 .0 .5 -0* 2.2 1.9 116 TWO OCEAN PLATEAU 9360 2.9 3.5 83 3.0 2.8 107 WHISKEY CREEK 6800 .1 .8 12* 3.7 2.2 168 WHITE MILL 8700 1.8 1.9 95* 2.8 2.7 104 WOLVERINE 7650 .0 .3 0* 2.3 1.6 144 ----- ----- Basin wide percent of average 84* 134 WIND RIVER BURROUGHS CREEK 8750 .9 .9 100* 1.3 1.6 81 COLD SPRINGS 9630 .4 .9 44 .9 1.9 47 DEER PARK 9700 2.3 -M * 2.4 -M * HOBBS PARK 10100 1.7 2.1 81 1.4 2.0 70 LITTLE WARM 9620 1.3 1.0 130* 1.4 1.8 78 SOUTH PASS 9040 1.4 2.6 54 1.5 2.2 68 ST. LAWRENCE ALT 8620 .3 .8 37 .9 1.7 53 TOGWOTEE PASS 9580 2.7 2.3 117* 2.7 2.5 108 TOWNSEND CREEK 8700 .9 1.0 90* 1.7 1.9 89 ----- ----- Basin wide percent of average 83* 76 BIGHORN BASIN BALD MTN. 9375 1.8 2.6 69 2.1 2.3 91 BEAR TRAP MEADOW 7900 .4 .7 57* .9 1.6 56 BLACKWATER 9780 2.8 2.5 112* 2.8 2.4 117 BONE SPRINGS DIV 9350 1.7 2.7 63 2.3 2.2 105 EVENING STAR 9200 1.7 3.8 45 3.8 2.9 131 GRAVE SPRINGS 8550 .2 1.0 20* 1.2 1.9 63 KIRWIN 9550 1.2 1.5 80 1.7 1.6 106 MARQUETTE 8760 .0 1.0 -0 1.3 1.8 72 MIDDLE POWDER 7760 .8 1.3 62* 2.0 2.1 95 OWL CREEK 8975 .4 .5 80 1.0 1.0 100 POWDER RIVER PASS 9480 .4 1.2 33 1.7 1.9 89 SHELL CREEK 9580 2.4 2.5 96 2.4 1.9 126 SYLVAN LAKE 8420 2.0 2.5 80 3.9 2.6 150 SYLVAN ROAD 8120 .0 1.6 -0 3.0 2.2 136 TIMBER CREEK 7950 -M .3 * 1.4 1.3 108 YOUNTS PEAK 8350 1.5 2.3 65 2.8 1.9 147 ----- ----- Basin wide percent of average 62 109 SHOSHONE RIVER BLACKWATER 9780 2.8 2.5 112* 2.8 2.4 117 EVENING STAR 9200 1.7 3.8 45 3.8 2.9 131 KIRWIN 9550 1.2 1.5 80 1.7 1.6 106 MARQUETTE 8760 .0 1.0 -0 1.3 1.8 72 SYLVAN LAKE 8420 2.0 2.5 80 3.9 2.6 150 SYLVAN ROAD 8120 .0 1.6 -0 3.0 2.2 136 YOUNTS PEAK 8350 1.5 2.3 65 2.8 1.9 147 ----- ----- Basin wide percent of average 61 125 POWDER-TONGUE BEAR TRAP MEADOW 7900 .4 .7 57* .9 1.6 56 BIG GOOSE 7990 .2 -M * 1.6 -M * BONE SPRINGS DIV 9350 1.7 2.7 63 2.3 2.2 105 BURGESS JUNCTION 7880 .5 1.6 31 1.3 2.0 65 CLOUD PEAK RESERVOIR 9860 .5 1.3 38* 2.2 2.1 105 DOME LAKE 8880 1.2 1.9 63 2.1 2.3 91 GRAVE SPRINGS 8550 .2 1.0 20* 1.2 1.9 63 HANSEN SAWMILL 8760 .4 .8 50 1.7 1.6 106 MIDDLE POWDER 7760 .8 1.3 62* 2.0 2.1 95 POWDER RIVER PASS 9480 .4 1.2 33 1.7 1.9 89 SUCKER CREEK 8880 .3 1.2 25* 1.3 2.2 59 TIE CREEK 6870 .1 -M * 1.6 1.9 84 ----- ----- Basin wide percent of average 47* 84 BELLE FOURCHE BLIND PARK 6890 .2 1.6 12 .6 1.8 33 COLE CANYON 5910 .4 1.6 25 1.1 1.4 79 NORTH RAPID CREEK 6130 .1 -M * 1.5 -M * ----- ----- Basin wide percent of average 19 53 UPPER N. PLATTE RIVER COLUMBINE 9400 .3 1.6 19* .9 2.5 36 DIVIDE PEAK 8800 1.0 2.1 48* 2.4 3.1 77 ELK RIVER 8700 .4 .4 100* .8 2.3 35 JOE WRIGHT 10120 2.3 3.1 74 1.5 3.5 43 NORTH FRENCH CREEK 10100 1.0 2.2 45* 1.3 2.3 57 OLD BATTLE 10000 1.8 3.6 50* 1.9 3.2 59 SOUTH BRUSH CREEK 8400 1.0 .4 250* 1.1 2.3 48 TOWER 10500 1.8 6.0 30 2.1 4.0 52 WEBBER SPRINGS 9200 .4 1.9 21* .6 3.0 20 WILLOW CREEK PASS 9540 .9 1.1 82* 1.0 1.8 56 ----- ----- Basin wide percent of average 49* 49 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .6 1.9 32* .7 2.4 29 CASPER MTN. 7900 .7 1.3 54* 1.3 2.5 52 DEADMAN HILL 10220 1.1 1.4 79* .9 2.4 38 DEER PARK 9700 2.3 -M * 2.4 -M * LAPRELE CREEK 8320 .5 .9 56* 1.2 1.5 80 RENO HILL 8400 .5 1.7 29 .9 2.5 36 ROACH 9700 .6 1.4 43* 1.0 2.7 37 SAND LAKE 10080 1.3 3.1 42* 1.6 2.6 62 SOUTH PASS 9040 1.4 2.6 54 1.5 2.2 68 WINDY PEAK 7840 1.1 .2 550* 1.6 1.2 133 ----- ----- Basin wide percent of average 54* 53 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .4 50* 1.3 1.8 72 DIVIDE PEAK 8800 1.0 2.1 48* 2.4 3.1 77 OLD BATTLE 10000 1.8 3.6 50* 1.9 3.2 59 SANDSTONE RS 8150 .6 .8 75* 1.8 1.7 106 WHISKEY PARK 8950 .7 2.3 30* 1.4 1.9 74 ----- ----- Basin wide percent of average 47* 75 UPPER GREEN RIVER BIG SANDY OPENING 9100 2.3 .7 329* 2.4 1.6 150 BLIND BULL SUM 8650 1.9 2.3 83* 2.5 2.0 125 EAST RIM DIVIDE 7930 .4 .4 100* 1.8 1.5 120 ELKHART PARK G.S. 9400 2.3 1.0 230* 2.5 1.6 156 GROS VENTRE SUMMIT 8775 1.7 1.1 155* 1.7 1.6 106 KENDALL R.S. 7740 .0 .0 100* 1.6 1.5 107 LOOMIS PARK 8240 1.6 .5 320* 2.2 1.8 122 NEW FORK LAKE 8340 .5 .0 * 1.9 1.4 136 SNIDER BASIN 8250 .6 .0 * 1.5 1.5 100 SPRING CREEK DIVIDE 9000 2.2 1.4 157* 2.9 2.1 138 TRIPLE PEAK 8500 1.4 1.0 140* 2.8 2.8 100 ----- ----- Basin wide percent of average 164* 123 LOWER GREEN RIVER HAMS FORK 7840 .2 .0 * 1.7 1.3 131 HEWINTA 9500 .2 .2 100* 2.2 2.4 92 HICKERSON PARK 9150 1.1 .2 550* 2.9 2.1 138 HOLE-IN-ROCK 9150 .5 .1 500* 2.4 2.1 114 INDIAN CREEK 9425 2.5 1.7 147* 2.6 2.3 113 KELLEY R.S. 8180 .8 .5 160* 2.5 1.8 139 STEEL CREEK PARK 10100 1.5 2.0 75 2.4 2.4 100 ----- ----- Basin wide percent of average 140* 116 UPPER BEAR RIVER BUG LAKE 7950 .0 1.1 0* 1.7 3.3 52 HAYDEN FORK 9400 .6 .9 67* 2.9 2.5 116 KELLEY R.S. 8180 .8 .5 160* 2.5 1.8 139 LILY LAKE 9050 1.1 1.0 110* 2.4 2.7 89 MONTE CRISTO 8960 .1 1.4 7* 2.8 3.5 80 SALT RIVER SUMMIT 7600 .1 .0 * 2.6 1.7 153 TRIAL LAKE 9960 2.2 1.9 116* 4.1 2.9 141 ----- ----- Basin wide percent of average 71* 103 ----------------------------------------------------------------------------- -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 1961-90. 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.