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 5 , 1997 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .4 1.1 36* 2.6 2.6 100 COTTONWOOD CREEK 7600 1.1 1.2 92* 3.0 2.8 107 GRANITE CREEK 6770 .2 1.0 20* 2.3 2.9 79 GRASSY LAKE 7265 1.7 1.8 94* 3.9 4.3 91 GROS VENTRE SUMMIT 8775 -M 1.5 * -M 2.0 * LEWIS LAKE DIVIDE 7860 2.1 2.1 100* 3.7 4.4 84 PHILLIPS BENCH 8200 1.4 1.7 82* 2.5 3.3 76 SALT RIVER SUMMIT 7600 .4 .3 133* 2.3 2.1 110 SNAKE RIVER STATION 6920 -M 1.0 * -M 3.0 * SPRING CREEK DIVIDE 9000 1.3 2.1 62* 2.2 2.8 79 THUMB DIVIDE 7980 -M .9 * -M 2.4 * TOGWOTEE PASS 9580 3.2 2.8 114* 3.2 3.2 100 TWO OCEAN PLATEAU 9360 4.7 4.0 118 4.8 3.6 133 WILLOW CREEK 8450 1.1 1.8 61* 4.3 3.6 119 ----- ----- Basin wide percent of average 88* 98 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.9 3.5 111 3.2 2.3 139 BLACK BEAR 7950 3.8 3.4 112* 4.5 4.4 102 CANYON 7940 1.8 1.1 164* 3.3 2.1 157 FISHER CREEK 9100 5.4 3.3 164* 5.2 3.8 137 MADISON PLATEAU 7750 1.9 2.0 95* 3.3 3.1 106 NORTHEAST ENTRANCE 7350 .1 .5 20* 3.6 1.8 200 PARKER PEAK 9400 3.5 4.2 83 3.5 2.6 135 SYLVAN LAKE 8420 2.8 3.0 93 4.6 3.1 148 THUMB DIVIDE 7980 -M .9 * -M 2.4 * TWO OCEAN PLATEAU 9360 4.7 4.0 118 4.8 3.6 133 WHISKEY CREEK 6800 .9 1.1 82* 2.6 2.7 96 WHITE MILL 8700 4.9 2.4 204* 5.2 3.3 158 WOLVERINE 7650 .2 .6 33* 2.4 1.9 126 ----- ----- Basin wide percent of average 116* 133 WIND RIVER BURROUGHS CREEK 8750 2.0 1.2 167* 2.6 2.1 124 COLD SPRINGS 9630 2.0 1.2 167 2.7 2.2 123 DEER PARK 9700 .0 -M * .0 -M * HOBBS PARK 10100 2.9 2.6 112 3.2 2.3 139 LITTLE WARM 9620 1.4 1.3 108* 2.8 2.2 127 SOUTH PASS 9040 2.5 3.0 83 3.6 2.6 138 ST. LAWRENCE ALT 8620 2.2 .9 244 2.9 2.0 145 TOGWOTEE PASS 9580 3.2 2.8 114* 3.2 3.2 100 TOWNSEND CREEK 8700 1.9 1.2 158 3.2 2.2 145 ----- ----- Basin wide percent of average 127 129 BIGHORN BASIN BALD MTN. 9375 4.6 3.1 148 4.4 2.7 163 BEAR TRAP MEADOW 7900 .8 .9 89 1.5 1.8 83 BLACKWATER 9780 4.4 3.0 147 3.7 2.8 132 BONE SPRINGS DIV 9350 4.0 3.0 133 4.4 2.5 176 EVENING STAR 9200 4.1 4.5 91 5.6 3.4 165 GRAVE SPRINGS 8550 1.3 -M * 2.3 2.1 110 KIRWIN 9550 2.6 1.8 144 3.1 1.9 163 LOST CREEK 8080 -M 1.6 * -M 2.3 * MARQUETTE 8760 3.8 1.2 317 4.3 2.0 215 MIDDLE POWDER 7760 .9 1.6 56 1.9 2.4 79 OWL CREEK 8975 1.6 .6 267 1.9 1.1 173 POWDER RIVER PASS 9480 1.3 1.5 87 2.1 2.2 95 SHELL CREEK 9580 3.4 2.8 121 2.6 2.2 118 SYLVAN LAKE 8420 2.8 3.0 93 4.6 3.1 148 SYLVAN ROAD 8120 .5 1.9 26 3.4 2.6 131 TIMBER CREEK 7950 2.3 .4 575* 3.2 1.5 213 YOUNTS PEAK 8350 2.9 2.7 107 3.0 2.3 130 ----- ----- Basin wide percent of average 125 142 SHOSHONE RIVER BLACKWATER 9780 4.4 3.0 147 3.7 2.8 132 EVENING STAR 9200 4.1 4.5 91 5.6 3.4 165 KIRWIN 9550 2.6 1.8 144 3.1 1.9 163 MARQUETTE 8760 3.8 1.2 317 4.3 2.0 215 SYLVAN LAKE 8420 2.8 3.0 93 4.6 3.1 148 SYLVAN ROAD 8120 .5 1.9 26 3.4 2.6 131 YOUNTS PEAK 8350 2.9 2.7 107 3.0 2.3 130 ----- ----- Basin wide percent of average 117 153 POWDER-TONGUE BEAR TRAP MEADOW 7900 .8 .9 89 1.5 1.8 83 BONE SPRINGS DIV 9350 4.0 3.0 133 4.4 2.5 176 BURGESS JUNCTION 7880 1.5 1.9 79 3.0 2.2 136 CLOUD PEAK RESERVOIR 9860 1.9 1.6 119* 3.9 2.4 163 DOME LAKE 8880 2.6 2.2 118 3.8 2.6 146 GRAVE SPRINGS 8550 1.3 -M * 2.3 2.1 110 HANSEN SAWMILL 8760 1.1 1.0 110 2.3 1.8 128 LOST CREEK 8080 -M 1.6 * -M 2.3 * MIDDLE POWDER 7760 .9 1.6 56 1.9 2.4 79 POWDER RIVER PASS 9480 1.3 1.5 87 2.1 2.2 95 SUCKER CREEK 8880 2.4 1.4 171 -M 2.5 * TIE CREEK 6870 1.2 -M * 3.5 2.1 167 ----- ----- Basin wide percent of average 109 130 BELLE FOURCHE BLIND PARK 6890 1.6 1.8 89 3.1 2.0 155 NORTH RAPID CREEK 6130 1.0 -M * 2.0 -M * WARREN PEAK 6520 .8 1.8 44 2.6 1.6 162 ----- ----- Basin wide percent of average 67 158 UPPER N. PLATTE RIVER COLUMBINE 9400 1.4 2.0 70* 4.0 3.0 133 DIVIDE PEAK 8800 2.2 2.6 85 3.4 3.6 94 ELK RIVER 8700 .2 .7 29* 3.5 2.7 130 JOE WRIGHT 10120 3.1 3.6 86 4.8 4.1 117 NORTH FRENCH CREEK 10100 2.6 2.9 90* 4.1 2.8 146 OLD BATTLE 10000 3.2 4.3 74 5.1 3.9 131 SOUTH BRUSH CREEK 8400 .4 .7 57* 1.9 2.7 70 TOWER 10500 5.6 7.1 79 5.9 4.8 123 WEBBER SPRINGS 9200 1.5 2.6 58* 4.2 3.7 114 WILLOW CREEK PASS 9540 1.9 1.4 136 2.4 2.1 114 ----- ----- Basin wide percent of average 79 118 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.7 2.6 65* 3.3 2.8 118 CASPER MTN. 7900 2.8 1.7 165* 3.2 2.9 110 DEADMAN HILL 10220 3.7 1.8 206* 3.3 2.8 118 DEER PARK 9700 .0 -M * .0 -M * LAPRELE CREEK 8320 1.3 1.2 108 2.3 1.7 135 RENO HILL 8400 1.9 2.0 95 2.3 3.0 77 ROACH 9700 1.8 1.9 95 3.2 3.2 100 SAND LAKE 10080 4.2 4.0 105 4.8 3.1 155 SOUTH PASS 9040 2.5 3.0 83 3.6 2.6 138 WINDY PEAK 7840 .8 .5 160* 2.0 1.4 143 ----- ----- Basin wide percent of average 111 119 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .1 .7 14* 3.2 2.2 145 DIVIDE PEAK 8800 2.2 2.6 85 3.4 3.6 94 OLD BATTLE 10000 3.2 4.3 74 5.1 3.9 131 SANDSTONE RS 8150 .0 1.1 0* 3.2 2.2 145 WHISKEY PARK 8950 1.5 2.9 52* 4.1 2.5 164 ----- ----- Basin wide percent of average 60* 132 UPPER GREEN RIVER BIG SANDY OPENING 9100 1.7 1.0 170* 2.9 2.0 145 BLIND BULL SUM 8650 1.8 3.0 60* 2.1 2.6 81 EAST RIM DIVIDE 7930 .8 .7 114* .9 1.9 47 ELKHART PARK G.S. 9400 1.4 1.3 108* 2.2 2.0 110 GROS VENTRE SUMMIT 8775 -M 1.5 * -M 2.0 * KENDALL R.S. 7740 1.2 .3 400* 2.3 1.9 121 LOOMIS PARK 8240 1.1 .9 122* 1.7 2.3 74 NEW FORK LAKE 8340 .7 .3 233* 1.6 1.8 89 SNIDER BASIN 8250 .0 .4 0* 1.2 1.9 63 SPRING CREEK DIVIDE 9000 1.3 2.1 62* 2.2 2.8 79 TRIPLE PEAK 8500 1.8 1.6 112* 2.5 3.6 69 ----- ----- Basin wide percent of average 102* 86 LOWER GREEN RIVER HAMS FORK 7840 .1 .2 50* 1.1 1.6 69 HEWINTA 9500 .3 .5 60* 3.7 2.7 137 HICKERSON PARK 9150 2.8 .5 560* 3.8 2.3 165 HOLE-IN-ROCK 9150 1.1 .3 367* 3.3 2.3 143 INDIAN CREEK 9425 1.8 2.3 78* 1.6 3.0 53 KELLEY R.S. 8180 .7 .8 88* 1.5 2.3 65 STEEL CREEK PARK 10100 1.7 2.3 74 4.7 2.7 174 ----- ----- Basin wide percent of average 123* 117 UPPER BEAR RIVER BUG LAKE 7950 1.2 1.5 80* 2.1 3.7 57 HAYDEN FORK 9400 .2 1.2 17* 3.3 2.9 114 KELLEY R.S. 8180 .7 .8 88* 1.5 2.3 65 LILY LAKE 9050 1.0 1.3 77* 3.0 3.0 100 MONTE CRISTO 8960 1.4 1.9 74* 2.6 4.1 63 SALT RIVER SUMMIT 7600 .4 .3 133* 2.3 2.1 110 TRIAL LAKE 9960 1.5 2.4 63* 2.6 3.5 74 ----- ----- Basin wide percent of average 68* 81 ----------------------------------------------------------------------------- -M = Missing data * = Data may not provide a valid measure of conditions. 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.