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: OCTOBER 28 , 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 .5 -0* 2.4 1.7 141 COTTONWOOD CREEK 7600 1.1 .5 220* 2.7 1.9 142 GRANITE CREEK 6770 .0 .5 0* 2.5 2.0 125 GRASSY LAKE 7265 1.5 .8 188* 3.8 2.9 131 GROS VENTRE SUMMIT 8775 1.5 .8 188* 1.5 1.4 107 LEWIS LAKE DIVIDE 7860 1.1 1.1 100* 3.6 3.0 120 PHILLIPS BENCH 8200 2.0 .9 222* 2.8 2.3 122 SALT RIVER SUMMIT 7600 .0 .0 100* 2.4 1.5 160 SNAKE RIVER STATION 6920 .2 .5 40* 3.3 2.0 165 SPRING CREEK DIVIDE 9000 2.2 1.1 200* 2.6 1.8 144 THUMB DIVIDE 7980 -M .4 * -M 1.7 * TOGWOTEE PASS 9580 2.5 2.0 125* 2.5 2.2 114 TWO OCEAN PLATEAU 9360 2.9 3.0 97 2.9 2.4 121 WILLOW CREEK 8450 .9 .9 100* 3.6 2.4 150 ----- ----- Basin wide percent of average 126* 133 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.5 2.6 96 2.4 1.7 141 BLACK BEAR 7950 3.6 2.3 157* 4.9 3.0 163 CANYON 7940 .3 .7 43* 1.8 1.6 112 FISHER CREEK 9100 2.5 2.2 114* 3.6 2.6 138 MADISON PLATEAU 7750 1.8 1.3 138* 3.5 2.2 159 NORTHEAST ENTRANCE 7350 .0 .2 0* 1.7 1.3 131 PARKER PEAK 9400 1.9 3.2 59 3.1 1.9 163 SYLVAN LAKE 8420 1.9 2.2 86* 3.7 2.3 161 THUMB DIVIDE 7980 -M .4 * -M 1.7 * TWO OCEAN PLATEAU 9360 2.9 3.0 97 2.9 2.4 121 WHISKEY CREEK 6800 .5 .7 71* 3.3 1.9 174 WHITE MILL 8700 1.8 1.6 112* 2.7 2.4 113 WOLVERINE 7650 .0 .3 0* 2.2 1.4 157 ----- ----- Basin wide percent of average 97* 145 WIND RIVER BURROUGHS CREEK 8750 .8 .8 100* 1.2 1.4 86 COLD SPRINGS 9630 .3 .8 37* .7 1.7 41 DEER PARK 9700 2.2 -M * 2.3 -M * HOBBS PARK 10100 1.4 1.8 78* 1.1 1.7 65 LITTLE WARM 9620 1.0 .9 111* 1.1 1.6 69 SOUTH PASS 9040 1.1 2.3 48 1.4 1.9 74 ST. LAWRENCE ALT 8620 .3 .7 43* .7 1.5 47 TOGWOTEE PASS 9580 2.5 2.0 125* 2.5 2.2 114 TOWNSEND CREEK 8700 .6 .8 75* 1.6 1.7 94 ----- ----- Basin wide percent of average 79* 75 BIGHORN BASIN BALD MTN. 9375 1.7 2.3 74* 2.2 2.0 110 BEAR TRAP MEADOW 7900 .0 .6 0* .8 1.4 57 BLACKWATER 9780 2.9 2.2 132* 2.8 2.1 133 BONE SPRINGS DIV 9350 1.8 2.5 72 2.3 1.9 121 EVENING STAR 9200 1.7 3.3 52 3.8 2.5 152 GRAVE SPRINGS 8550 .0 .9 0* .9 1.7 53 KIRWIN 9550 1.0 1.3 77 1.4 1.4 100 MARQUETTE 8760 .0 .9 -0 1.4 1.6 87 MIDDLE POWDER 7760 .2 1.1 18* 1.2 1.8 67 OWL CREEK 8975 .3 .5 60 .9 .9 100 POWDER RIVER PASS 9480 .3 1.0 30* 1.7 1.7 100 SHELL CREEK 9580 2.3 2.3 100 2.4 1.7 141 SYLVAN LAKE 8420 1.9 2.2 86* 3.7 2.3 161 SYLVAN ROAD 8120 .0 1.4 0 3.0 1.9 158 TIMBER CREEK 7950 .0 .3 0* 1.1 1.1 100 YOUNTS PEAK 8350 1.4 2.0 70 2.6 1.7 153 ----- ----- Basin wide percent of average 62 116 SHOSHONE RIVER BLACKWATER 9780 2.9 2.2 132* 2.8 2.1 133 EVENING STAR 9200 1.7 3.3 52 3.8 2.5 152 KIRWIN 9550 1.0 1.3 77 1.4 1.4 100 MARQUETTE 8760 .0 .9 -0 1.4 1.6 87 SYLVAN LAKE 8420 1.9 2.2 86* 3.7 2.3 161 SYLVAN ROAD 8120 .0 1.4 0 3.0 1.9 158 YOUNTS PEAK 8350 1.4 2.0 70 2.6 1.7 153 ----- ----- Basin wide percent of average 67 139 POWDER-TONGUE BEAR TRAP MEADOW 7900 .0 .6 0* .8 1.4 57 BIG GOOSE 7990 .1 -M * 1.6 -M * BONE SPRINGS DIV 9350 1.8 2.5 72 2.3 1.9 121 BURGESS JUNCTION 7880 .6 1.4 43 1.6 1.7 94 CLOUD PEAK RESERVOIR 9860 .3 1.1 27* 2.0 1.8 111 DOME LAKE 8880 1.1 1.7 65 2.0 2.0 100 GRAVE SPRINGS 8550 .0 .9 0* .9 1.7 53 HANSEN SAWMILL 8760 .2 .7 29* 1.4 1.4 100 MIDDLE POWDER 7760 .2 1.1 18* 1.2 1.8 67 POWDER RIVER PASS 9480 .3 1.0 30* 1.7 1.7 100 SUCKER CREEK 8880 .4 1.1 36* 1.4 1.9 74 TIE CREEK 6870 .1 -M * 1.6 1.7 94 ----- ----- Basin wide percent of average 40* 89 BELLE FOURCHE BLIND PARK 6890 .0 1.4 0 .3 1.6 19 COLE CANYON 5910 .1 1.4 7 1.0 1.2 83 NORTH RAPID CREEK 6130 .0 -M * 1.0 -M * ----- ----- Basin wide percent of average 4 46 UPPER N. PLATTE RIVER COLUMBINE 9400 .1 1.3 8* .6 2.2 27 DIVIDE PEAK 8800 .2 1.7 12* 1.8 2.7 67 ELK RIVER 8700 .1 .3 33* .6 2.0 30 JOE WRIGHT 10120 .1 2.6 4 .5 3.0 17 NORTH FRENCH CREEK 10100 .4 1.8 22* .6 2.0 30 OLD BATTLE 10000 1.0 3.2 31* 1.2 2.8 43 SOUTH BRUSH CREEK 8400 .1 .3 33* .4 2.0 20 TOWER 10500 .5 5.1 10* 1.1 3.5 31 WEBBER SPRINGS 9200 .0 1.6 0* .4 2.6 15 WILLOW CREEK PASS 9540 .0 .9 -0* .4 1.6 25 ----- ----- Basin wide percent of average 13* 31 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 .1 1.7 6* .3 2.1 14 CASPER MTN. 7900 .4 1.1 36* .8 2.2 36 DEADMAN HILL 10220 .9 1.2 75* .4 2.1 19 DEER PARK 9700 2.2 -M * 2.3 -M * LAPRELE CREEK 8320 .1 .7 14* .6 1.3 46 RENO HILL 8400 .0 1.4 0* .4 2.2 18 ROACH 9700 .0 1.2 -0* .2 2.4 8 SAND LAKE 10080 .4 2.6 15* .5 2.3 22 SOUTH PASS 9040 1.1 2.3 48 1.4 1.9 74 WINDY PEAK 7840 .0 .2 0* .4 1.0 40 ----- ----- Basin wide percent of average 24* 29 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .3 -0* .8 1.6 50 DIVIDE PEAK 8800 .2 1.7 12* 1.8 2.7 67 OLD BATTLE 10000 1.0 3.2 31* 1.2 2.8 43 SANDSTONE RS 8150 .2 .6 33* 1.1 1.5 73 WHISKEY PARK 8950 .0 1.9 0* .8 1.7 47 ----- ----- Basin wide percent of average 18* 55 UPPER GREEN RIVER BIG SANDY OPENING 9100 2.2 .5 440* 2.3 1.4 164 BLIND BULL SUM 8650 1.9 1.8 106* 2.4 1.7 141 EAST RIM DIVIDE 7930 .5 .3 167* 1.6 1.3 123 ELKHART PARK G.S. 9400 2.1 .8 262* 2.3 1.4 164 GROS VENTRE SUMMIT 8775 1.5 .8 188* 1.5 1.4 107 KENDALL R.S. 7740 .0 .0 100* 1.7 1.3 131 LOOMIS PARK 8240 1.5 .4 375* 2.0 1.6 125 NEW FORK LAKE 8340 .7 .0 * 1.7 1.2 142 SNIDER BASIN 8250 .3 .0 * 1.3 1.3 100 SPRING CREEK DIVIDE 9000 2.2 1.1 200* 2.6 1.8 144 TRIPLE PEAK 8500 1.4 .8 175* 2.6 2.4 108 ----- ----- Basin wide percent of average 205* 131 LOWER GREEN RIVER HAMS FORK 7840 .1 .0 * 1.3 1.1 118 HEWINTA 9500 .0 .2 -0* 1.9 2.1 90 HICKERSON PARK 9150 .2 .2 100* 2.0 1.8 111 HOLE-IN-ROCK 9150 .0 .1 0* 1.9 1.8 106 INDIAN CREEK 9425 2.1 1.3 162* 2.2 2.0 110 KELLEY R.S. 8180 .6 .4 150* 2.0 1.6 125 STEEL CREEK PARK 10100 .9 1.7 53* 1.7 2.1 81 ----- ----- Basin wide percent of average 97* 104 UPPER BEAR RIVER BUG LAKE 7950 .1 1.0 10* 1.6 2.9 55 HAYDEN FORK 9400 .1 .8 12* 2.1 2.2 95 KELLEY R.S. 8180 .6 .4 150* 2.0 1.6 125 LILY LAKE 9050 .6 .9 67* 1.7 2.4 71 MONTE CRISTO 8960 .0 1.2 -0* 2.4 3.0 80 SALT RIVER SUMMIT 7600 .0 .0 100* 2.4 1.5 160 TRIAL LAKE 9960 .9 1.6 56* 2.5 2.5 100 ----- ----- Basin wide percent of average 39* 91 ----------------------------------------------------------------------------- -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.