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 SUNDAY: NOVEMBER 15 , 1998 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 1.2 2.1 57 2.5 4.1 61 COTTONWOOD CREEK 7600 1.3 2.4 54* 4.4 4.4 100 GRANITE CREEK 6770 .9 2.0 45 1.8 4.4 41 GRASSY LAKE 7265 2.1 3.6 58* 4.0 6.7 60 GROS VENTRE SUMMIT 8775 2.3 2.4 96 3.1 3.0 103 LEWIS LAKE DIVIDE 7860 2.2 3.9 56 3.6 6.8 53 PHILLIPS BENCH 8200 1.8 2.9 62* 2.4 5.2 46 SALT RIVER SUMMIT 7600 .7 1.0 70* 2.9 3.2 91 SNAKE RIVER STATION 6920 1.1 2.1 52 2.5 4.6 54 SPRING CREEK DIVIDE 9000 1.8 3.7 49 3.4 4.6 74 THUMB DIVIDE 7980 1.8 1.9 95 2.2 3.8 58 TOGWOTEE PASS 9580 4.0 4.0 100 4.4 5.0 88 TWO OCEAN PLATEAU 9360 4.1 5.4 76 3.7 5.6 66 WILLOW CREEK 8450 1.9 3.4 56 6.1 5.7 107 ----- ----- Basin wide percent of average 67 70 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.6 4.9 53 2.5 3.4 74 BLACK BEAR 7950 3.8 5.3 72 4.5 6.5 69 CANYON 7940 1.1 1.7 65 1.5 3.0 50 FISHER CREEK 9100 3.1 5.2 60 3.4 5.9 58 MADISON PLATEAU 7750 -M 3.1 * 2.9 4.6 63 NORTHEAST ENTRANCE 7350 .6 1.0 60 1.8 2.5 72 PARKER PEAK 9400 3.0 5.5 55 .9 3.5 26 SYLVAN LAKE 8420 3.8 4.4 86 5.2 4.4 118 THUMB DIVIDE 7980 1.8 1.9 95 2.2 3.8 58 TWO OCEAN PLATEAU 9360 4.1 5.4 76 3.7 5.6 66 WHISKEY CREEK 6800 1.3 1.9 68 2.2 3.8 58 WHITE MILL 8700 2.0 3.7 54 2.5 4.9 51 WOLVERINE 7650 .6 1.2 50 2.2 2.8 79 ----- ----- Basin wide percent of average 66 65 WIND RIVER BURROUGHS CREEK 8750 2.0 2.1 95 2.6 3.2 81 COLD SPRINGS 9630 2.7 1.8 150 4.0 2.9 138 DEER PARK 9700 4.8 -M * 6.0 -M * HOBBS PARK 10100 5.2 3.7 141 6.0 3.1 194 LITTLE WARM 9620 2.0 2.1 95 3.1 3.1 100 SOUTH PASS 9040 3.8 3.9 97 5.7 3.6 158 ST. LAWRENCE ALT 8620 2.6 1.3 200 5.0 2.7 185 TOGWOTEE PASS 9580 4.0 4.0 100 4.4 5.0 88 TOWNSEND CREEK 8700 3.5 1.8 194 5.8 2.8 207 ----- ----- Basin wide percent of average 125 139 BIGHORN BASIN BALD MTN. 9375 4.3 4.2 102 4.6 3.6 128 BEAR TRAP MEADOW 7900 1.7 1.4 121 4.8 2.3 209 BLACKWATER 9780 4.2 4.2 100 4.2 3.9 108 BONE SPRINGS DIV 9350 3.5 3.8 92 4.1 3.2 128 EVENING STAR 9200 1.8 6.3 29 3.0 4.7 64 GRAVE SPRINGS 8550 2.0 -M * 5.1 2.7 189 KIRWIN 9550 3.2 2.4 133 3.4 2.6 131 LOST CREEK 8080 .0 2.4 0 .0 2.9 0 MARQUETTE 8760 3.7 1.6 231 4.8 2.6 185 MIDDLE POWDER 7760 1.9 2.5 76 7.9 3.0 263 OWL CREEK 8975 2.6 .8 325 3.5 1.5 233 POWDER RIVER PASS 9480 1.8 2.2 82 3.7 2.8 132 SHELL CREEK 9580 3.9 3.6 108 3.5 2.9 121 SYLVAN LAKE 8420 3.8 4.4 86 5.2 4.4 118 SYLVAN ROAD 8120 1.3 2.5 52 1.8 3.6 50 TIMBER CREEK 7950 2.6 .7 371 4.0 1.9 211 YOUNTS PEAK 8350 2.6 3.8 68 2.2 3.3 67 ----- ----- Basin wide percent of average 92 127 SHOSHONE RIVER BLACKWATER 9780 4.2 4.2 100 4.2 3.9 108 EVENING STAR 9200 1.8 6.3 29 3.0 4.7 64 KIRWIN 9550 3.2 2.4 133 3.4 2.6 131 MARQUETTE 8760 3.7 1.6 231 4.8 2.6 185 SYLVAN LAKE 8420 3.8 4.4 86 5.2 4.4 118 SYLVAN ROAD 8120 1.3 2.5 52 1.8 3.6 50 YOUNTS PEAK 8350 2.6 3.8 68 2.2 3.3 67 ----- ----- Basin wide percent of average 82 98 POWDER-TONGUE BEAR TRAP MEADOW 7900 1.7 1.4 121 4.8 2.3 209 BONE SPRINGS DIV 9350 3.5 3.8 92 4.1 3.2 128 BURGESS JUNCTION 7880 1.9 2.6 73 4.1 2.8 146 CLOUD PEAK RESERVOIR 9860 3.0 2.2 136 5.2 3.1 168 DOME LAKE 8880 2.0 2.9 69 3.5 3.4 103 GRAVE SPRINGS 8550 2.0 -M * 5.1 2.7 189 HANSEN SAWMILL 8760 1.4 1.4 100 3.2 2.3 139 LOST CREEK 8080 .0 2.4 0 .0 2.9 0 MIDDLE POWDER 7760 1.9 2.5 76 7.9 3.0 263 POWDER RIVER PASS 9480 1.8 2.2 82 3.7 2.8 132 SUCKER CREEK 8880 3.1 1.9 163 5.0 3.1 161 TIE CREEK 6870 1.1 -M * 3.2 2.7 119 ----- ----- Basin wide percent of average 87 145 BELLE FOURCHE BLIND PARK 6890 1.0 2.4 42 7.2 2.5 288 NORTH RAPID CREEK 6130 1.0 -M * 7.6 -M * WARREN PEAK 6520 1.0 2.4 42 7.5 2.0 375 ----- ----- Basin wide percent of average 42 327 UPPER N. PLATTE RIVER COLUMBINE 9400 2.4 3.1 77 5.4 4.2 129 DIVIDE PEAK 8800 3.1 3.8 82 8.6 4.8 179 ELK RIVER 8700 1.4 1.6 88* 7.4 3.6 206 JOE WRIGHT 10120 4.3 5.0 86 8.5 5.5 155 NORTH FRENCH CREEK 10100 7.2 4.6 157 9.7 4.1 237 OLD BATTLE 10000 5.6 6.0 93 9.1 5.8 157 SOUTH BRUSH CREEK 8400 3.5 1.4 250 8.3 3.7 224 TOWER 10500 9.2 9.8 94 10.1 6.8 149 WEBBER SPRINGS 9200 2.8 4.4 64 6.6 5.6 118 WILLOW CREEK PASS 9540 3.4 2.0 170 4.6 2.8 164 ----- ----- Basin wide percent of average 103 167 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 3.1 4.4 70 5.3 3.8 139 CASPER MTN. 7900 3.0 2.8 107 8.6 3.8 226 DEADMAN HILL 10220 5.0 2.8 179 5.6 3.7 151 DEER PARK 9700 4.8 -M * 6.0 -M * LAPRELE CREEK 8320 .3 1.8 17 5.9 2.3 257 RENO HILL 8400 4.6 2.8 164 8.5 4.4 193 ROACH 9700 2.9 3.0 97 5.1 4.3 119 SAND LAKE 10080 8.0 6.1 131 9.6 4.2 229 SOUTH PASS 9040 3.8 3.9 97 5.7 3.6 158 WINDY PEAK 7840 .4 1.3 31 6.2 1.9 326 ----- ----- Basin wide percent of average 108 189 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 1.1 1.4 79 5.7 3.1 184 DIVIDE PEAK 8800 3.1 3.8 82 8.6 4.8 179 OLD BATTLE 10000 5.6 6.0 93 9.1 5.8 157 SANDSTONE RS 8150 .9 1.9 47 6.3 3.3 191 WHISKEY PARK 8950 3.3 4.5 73 8.3 3.9 213 ----- ----- Basin wide percent of average 80 182 UPPER GREEN RIVER BIG SANDY OPENING 9100 3.1 1.9 163 3.4 3.0 113 BLIND BULL SUM 8650 1.9 4.8 40 3.1 4.0 78 EAST RIM DIVIDE 7930 1.1 1.4 79* 2.1 2.9 72 ELKHART PARK G.S. 9400 2.6 1.9 137 3.3 3.0 110 GROS VENTRE SUMMIT 8775 2.3 2.4 96 3.1 3.0 103 KENDALL R.S. 7740 1.3 1.2 108* 2.2 2.9 76 LOOMIS PARK 8240 1.2 1.8 67 2.5 3.5 71 NEW FORK LAKE 8340 1.4 .9 156* 2.4 2.7 89 SNIDER BASIN 8250 .7 1.3 54* 1.9 2.9 66 SPRING CREEK DIVIDE 9000 1.8 3.7 49 3.4 4.6 74 TRIPLE PEAK 8500 1.6 3.1 52 3.1 5.7 54 ----- ----- Basin wide percent of average 78 80 LOWER GREEN RIVER HAMS FORK 7840 .7 .7 100* 2.4 2.5 96 HEWINTA 9500 .0 1.2 0 3.6 3.3 109 HICKERSON PARK 9150 2.0 1.2 167 3.9 2.8 139 HOLE-IN-ROCK 9150 .8 .8 100 4.3 2.8 154 INDIAN CREEK 9425 2.7 3.8 71 3.5 4.6 76 KELLEY R.S. 8180 1.2 1.7 71* 2.7 3.5 77 STEEL CREEK PARK 10100 2.9 3.2 91 4.7 3.4 138 ----- ----- Basin wide percent of average 82 110 UPPER BEAR RIVER BUG LAKE 7950 .5 2.4 21 2.9 4.8 60 HAYDEN FORK 9400 1.5 2.1 71 4.4 3.9 113 KELLEY R.S. 8180 1.2 1.7 71* 2.7 3.5 77 LILY LAKE 9050 2.3 1.9 121 4.8 3.8 126 MONTE CRISTO 8960 2.1 3.0 70 4.6 5.6 82 SALT RIVER SUMMIT 7600 .7 1.0 70* 2.9 3.2 91 TRIAL LAKE 9960 2.7 3.8 71 4.1 4.9 84 ----- ----- Basin wide percent of average 69 89 ----------------------------------------------------------------------------- -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.