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: NOVEMBER 4 , 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 1.0 40* 2.6 2.5 104 COTTONWOOD CREEK 7600 1.2 1.1 109* 3.0 2.7 111 GRANITE CREEK 6770 .3 .9 33* 2.3 2.8 82 GRASSY LAKE 7265 2.0 1.6 125* 3.9 4.0 98 GROS VENTRE SUMMIT 8775 -M 1.4 * 1.5 1.9 79 LEWIS LAKE DIVIDE 7860 2.0 1.9 105* 3.7 4.1 90 PHILLIPS BENCH 8200 1.5 1.6 94* 2.5 3.2 78 SALT RIVER SUMMIT 7600 .4 .2 200* 2.3 2.0 115 SNAKE RIVER STATION 6920 -M .9 * -M 2.8 * SPRING CREEK DIVIDE 9000 1.4 1.9 74* 2.2 2.6 85 THUMB DIVIDE 7980 -M .8 * -M 2.3 * TOGWOTEE PASS 9580 3.2 2.7 119* 3.1 3.0 103 TWO OCEAN PLATEAU 9360 4.7 3.9 121 4.8 3.4 141 WILLOW CREEK 8450 1.2 1.7 71* 4.2 3.4 124 ----- ----- Basin wide percent of average 99* 101 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 3.9 3.4 115 3.3 2.2 150 BLACK BEAR 7950 3.8 3.3 115* 4.6 4.1 112 CANYON 7940 1.7 1.0 170* 3.2 2.1 152 FISHER CREEK 9100 5.3 3.2 166* 5.2 3.6 144 MADISON PLATEAU 7750 1.9 1.8 106* 3.4 2.9 117 NORTHEAST ENTRANCE 7350 .2 .5 40* 3.5 1.7 206 PARKER PEAK 9400 3.5 4.1 85 3.5 2.5 140 SYLVAN LAKE 8420 2.7 2.9 93 4.6 3.0 153 THUMB DIVIDE 7980 -M .8 * -M 2.3 * TWO OCEAN PLATEAU 9360 4.7 3.9 121 4.8 3.4 141 WHISKEY CREEK 6800 .9 1.0 90* 2.7 2.5 108 WHITE MILL 8700 4.9 2.3 213* 5.1 3.2 159 WOLVERINE 7650 .3 .5 60* 2.4 1.9 126 ----- ----- Basin wide percent of average 121* 140 WIND RIVER BURROUGHS CREEK 8750 2.1 1.2 175* 2.5 2.0 125 COLD SPRINGS 9630 2.0 1.1 182 2.7 2.1 129 DEER PARK 9700 .0 -M * .0 -M * HOBBS PARK 10100 2.9 2.4 121 3.2 2.2 145 LITTLE WARM 9620 1.5 1.2 125* 2.8 2.1 133 SOUTH PASS 9040 2.5 2.9 86 3.6 2.5 144 ST. LAWRENCE ALT 8620 2.2 .9 244 2.9 1.9 153 TOGWOTEE PASS 9580 3.2 2.7 119* 3.1 3.0 103 TOWNSEND CREEK 8700 1.9 1.2 158 3.6 2.1 171 ----- ----- Basin wide percent of average 135 136 BIGHORN BASIN BALD MTN. 9375 4.6 2.9 159 4.4 2.6 169 BEAR TRAP MEADOW 7900 .8 .8 100 1.7 1.8 94 BLACKWATER 9780 4.5 2.9 155 3.8 2.7 141 BONE SPRINGS DIV 9350 3.9 2.9 134 4.4 2.4 183 EVENING STAR 9200 4.2 4.3 98 5.6 3.3 170 GRAVE SPRINGS 8550 1.3 -M * 2.2 2.1 105 KIRWIN 9550 2.8 1.7 165 3.2 1.8 178 LOST CREEK 8080 -M 1.5 * -M 2.2 * MARQUETTE 8760 3.9 1.1 355 4.4 2.0 220 MIDDLE POWDER 7760 .9 1.6 56 1.9 2.3 83 OWL CREEK 8975 1.7 .6 283 2.1 1.1 191 POWDER RIVER PASS 9480 1.2 1.4 86 2.2 2.1 105 SHELL CREEK 9580 3.3 2.7 122 2.5 2.1 119 SYLVAN LAKE 8420 2.7 2.9 93 4.6 3.0 153 SYLVAN ROAD 8120 .5 1.8 28 3.3 2.5 132 TIMBER CREEK 7950 2.3 .4 575* 3.2 1.4 229 YOUNTS PEAK 8350 2.9 2.6 112 3.2 2.2 145 ----- ----- Basin wide percent of average 131 149 SHOSHONE RIVER BLACKWATER 9780 4.5 2.9 155 3.8 2.7 141 EVENING STAR 9200 4.2 4.3 98 5.6 3.3 170 KIRWIN 9550 2.8 1.7 165 3.2 1.8 178 MARQUETTE 8760 3.9 1.1 355 4.4 2.0 220 SYLVAN LAKE 8420 2.7 2.9 93 4.6 3.0 153 SYLVAN ROAD 8120 .5 1.8 28 3.3 2.5 132 YOUNTS PEAK 8350 2.9 2.6 112 3.2 2.2 145 ----- ----- Basin wide percent of average 124 161 POWDER-TONGUE BEAR TRAP MEADOW 7900 .8 .8 100 1.7 1.8 94 BONE SPRINGS DIV 9350 3.9 2.9 134 4.4 2.4 183 BURGESS JUNCTION 7880 1.5 1.8 83 3.0 2.2 136 CLOUD PEAK RESERVOIR 9860 1.8 1.5 120* 3.8 2.3 165 DOME LAKE 8880 2.6 2.1 124 3.7 2.5 148 GRAVE SPRINGS 8550 1.3 -M * 2.2 2.1 105 HANSEN SAWMILL 8760 1.2 .9 133 2.3 1.7 135 LOST CREEK 8080 -M 1.5 * -M 2.2 * MIDDLE POWDER 7760 .9 1.6 56 1.9 2.3 83 POWDER RIVER PASS 9480 1.2 1.4 86 2.2 2.1 105 SUCKER CREEK 8880 2.3 1.4 164* -M 2.4 * TIE CREEK 6870 1.3 -M * 3.5 2.1 167 ----- ----- Basin wide percent of average 113 133 BELLE FOURCHE BLIND PARK 6890 1.0 1.8 56 2.5 1.9 132 NORTH RAPID CREEK 6130 .8 -M * 1.7 -M * WARREN PEAK 6520 .4 1.8 22 2.4 1.5 160 ----- ----- Basin wide percent of average 39 144 UPPER N. PLATTE RIVER COLUMBINE 9400 1.4 1.9 74* 4.0 2.9 138 DIVIDE PEAK 8800 2.2 2.5 88 3.5 3.5 100 ELK RIVER 8700 .2 .7 29* 3.4 2.6 131 JOE WRIGHT 10120 3.0 3.5 86 4.9 3.9 126 NORTH FRENCH CREEK 10100 2.7 2.7 100* 4.2 2.7 156 OLD BATTLE 10000 3.2 4.1 78 5.1 3.8 134 SOUTH BRUSH CREEK 8400 .4 .6 67* 2.0 2.6 77 TOWER 10500 5.6 6.8 82 5.9 4.6 128 WEBBER SPRINGS 9200 1.5 2.4 63* 4.2 3.6 117 WILLOW CREEK PASS 9540 2.0 1.3 154* 2.5 2.0 125 ----- ----- Basin wide percent of average 84* 123 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.8 2.4 75* 3.3 2.7 122 CASPER MTN. 7900 2.8 1.6 175* 3.2 2.8 114 DEADMAN HILL 10220 3.9 1.7 229* 3.3 2.7 122 DEER PARK 9700 .0 -M * .0 -M * LAPRELE CREEK 8320 1.3 1.1 118 2.3 1.7 135 RENO HILL 8400 2.0 1.9 105 2.3 2.9 79 ROACH 9700 1.8 1.7 106* 3.2 3.1 103 SAND LAKE 10080 4.4 3.7 119 4.9 2.9 169 SOUTH PASS 9040 2.5 2.9 86 3.6 2.5 144 WINDY PEAK 7840 .9 .4 225* 2.1 1.4 150 ----- ----- Basin wide percent of average 123* 124 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .6 0* 3.2 2.1 152 DIVIDE PEAK 8800 2.2 2.5 88 3.5 3.5 100 OLD BATTLE 10000 3.2 4.1 78 5.1 3.8 134 SANDSTONE RS 8150 .1 1.0 10* 3.2 2.1 152 WHISKEY PARK 8950 1.5 2.8 54* 4.1 2.3 178 ----- ----- Basin wide percent of average 64* 138 UPPER GREEN RIVER BIG SANDY OPENING 9100 1.7 1.0 170* 2.9 1.9 153 BLIND BULL SUM 8650 1.8 2.8 64* 2.1 2.4 88 EAST RIM DIVIDE 7930 .9 .6 150* .9 1.8 50 ELKHART PARK G.S. 9400 1.5 1.2 125* 2.2 1.9 116 GROS VENTRE SUMMIT 8775 -M 1.4 * 1.5 1.9 79 KENDALL R.S. 7740 1.2 .3 400* 2.4 1.8 133 LOOMIS PARK 8240 1.1 .8 138* 1.7 2.2 77 NEW FORK LAKE 8340 1.3 .2 650* 1.7 1.7 100 SNIDER BASIN 8250 .0 .3 0* 1.2 1.8 67 SPRING CREEK DIVIDE 9000 1.4 1.9 74* 2.2 2.6 85 TRIPLE PEAK 8500 2.2 1.5 147* 2.6 3.4 76 ----- ----- Basin wide percent of average 124* 91 LOWER GREEN RIVER HAMS FORK 7840 .1 .2 50* 1.0 1.6 62 HEWINTA 9500 .6 .4 150* 3.7 2.6 142 HICKERSON PARK 9150 2.8 .4 700* 3.8 2.3 165 HOLE-IN-ROCK 9150 1.2 .3 400* 3.3 2.3 143 INDIAN CREEK 9425 1.8 2.2 82* 1.7 2.8 61 KELLEY R.S. 8180 .8 .8 100* 1.5 2.2 68 STEEL CREEK PARK 10100 1.7 2.3 74 4.7 2.6 181 ----- ----- Basin wide percent of average 136* 120 UPPER BEAR RIVER BUG LAKE 7950 1.1 1.4 79* 2.1 3.6 58 HAYDEN FORK 9400 .4 1.2 33* 3.3 2.8 118 KELLEY R.S. 8180 .8 .8 100* 1.5 2.2 68 LILY LAKE 9050 1.0 1.2 83* 3.0 2.9 103 MONTE CRISTO 8960 1.0 1.7 59* 2.6 3.9 67 SALT RIVER SUMMIT 7600 .4 .2 200* 2.3 2.0 115 TRIAL LAKE 9960 1.5 2.3 65* 2.6 3.3 79 ----- ----- Basin wide percent of average 70* 84 ----------------------------------------------------------------------------- -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.