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 THURSDAY: NOVEMBER 3 , 2011 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .8 0* 3.6 2.3 157 COTTONWOOD CREEK 7670 .2 1.1 18* 4.8 3.4 141 GRAND TARGHEE 9260 3.0 -M * 5.5 -M * GRANITE CREEK 6770 .1 .7 14* 2.4 2.0 120 GRASSY LAKE 7265 .7 1.8 39* 5.1 3.8 134 GROS VENTRE SUMMIT 8750 .5 1.6 31 2.2 2.0 110 GUNSIGHT PASS 9820 .7 -M * 2.4 -M * LEWIS LAKE DIVIDE 7850 .4 1.6 25* 4.6 3.6 128 PHILLIPS BENCH 8200 .0 1.7 0* 2.5 2.7 93 SALT RIVER SUMMIT 7760 .3 .5 60* 2.1 2.2 95 SNAKE RIVER STATION 6920 .1 .8 13* 4.0 2.5 160 SPRING CREEK DIVIDE 9000 1.3 1.8 72* 3.4 2.9 117 THUMB DIVIDE 7980 .2 1.0 20* 3.1 2.3 135 TOGWOTEE PASS 9580 1.6 2.9 55 3.5 3.2 109 TWO OCEAN PLATEAU 9240 4.4 3.4 129 3.9 3.4 115 WILLOW CREEK 8380 .1 2.2 5* 5.3 4.1 129 ----- ----- Basin wide percent of average 45* 125 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9360 3.0 3.0 100 3.5 2.4 146 BLACK BEAR 8170 2.2 3.1 71* 5.6 4.0 140 CANYON 7870 .8 .8 100* 2.6 2.1 124 FISHER CREEK 9100 2.6 3.1 84* 5.1 3.7 138 MADISON PLATEAU 7750 .7 1.8 39* 4.5 2.8 161 NORTHEAST ENTRANCE 7350 .0 .4 0* 2.3 1.7 135 PARKER PEAK 9400 2.7 2.9 93 4.9 2.6 188 SYLVAN LAKE 8420 .6 2.3 26* 4.5 2.9 155 THUMB DIVIDE 7980 .2 1.0 20* 3.1 2.3 135 TWO OCEAN PLATEAU 9240 4.4 3.4 129 3.9 3.4 115 WHISKEY CREEK 6800 .3 .9 33* 3.8 2.5 152 WHITE MILL 8700 1.5 2.2 68* 4.0 3.0 133 WOLVERINE 7650 .8 .6 133* 3.8 2.0 190 ----- ----- Basin wide percent of average 78* 146 WIND RIVER BURROUGHS CREEK 8750 .5 1.1 45* 1.7 1.9 89 CASTLE CREEK 8400 .3 -M * 1.5 -M * COLD SPRINGS 9630 .8 1.2 67 2.2 2.2 100 DEER PARK 9700 1.2 2.8 43 3.0 2.9 103 HOBBS PARK 10100 2.6 2.5 104 3.0 2.4 125 LITTLE WARM 9370 .2 1.2 17* 1.8 2.0 90 SOUTH PASS 9040 .9 1.7 53* 2.6 2.4 108 ST. LAWRENCE ALT 8620 .3 1.1 27 1.6 1.9 84 TOGWOTEE PASS 9580 1.6 2.9 55 3.5 3.2 109 TOWNSEND CREEK 8700 .8 1.2 67 3.3 2.4 138 ----- ----- Basin wide percent of average 57 107 BIGHORN BASIN BALD MTN. 9380 4.2 3.1 135 4.4 2.7 163 BEAR TRAP MEADOW 8200 .3 .7 43 2.2 1.9 116 BLACKWATER 9780 3.8 3.4 112 4.3 3.0 143 BONE SPRINGS DIV 9350 4.5 2.8 161 4.9 2.8 175 EVENING STAR 9200 2.5 3.1 81* 5.3 3.2 166 GRAVE SPRINGS 8550 .2 1.4 14 2.5 2.3 109 KIRWIN 9550 2.2 2.1 105 3.4 2.0 170 MARQUETTE 8760 .4 -M * 3.8 2.5 152 MIDDLE POWDER 7760 .6 1.5 40 4.4 2.9 152 OWL CREEK 8975 .9 1.0 90 1.7 1.3 131 POWDER RIVER PASS 9480 2.2 1.4 157 3.5 2.1 167 SHELL CREEK 9580 4.8 2.9 166 4.5 2.3 196 SYLVAN LAKE 8420 .6 2.3 26* 4.5 2.9 155 SYLVAN ROAD 7120 .0 .6 0* 2.7 2.4 113 TIMBER CREEK 7950 .3 1.3 23 3.9 1.8 217 YOUNTS PEAK 8350 .9 1.7 53* 2.8 2.1 133 ----- ----- Basin wide percent of average 96 154 SHOSHONE RIVER BLACKWATER 9780 3.8 3.4 112 4.3 3.0 143 EVENING STAR 9200 2.5 3.1 81* 5.3 3.2 166 KIRWIN 9550 2.2 2.1 105 3.4 2.0 170 MARQUETTE 8760 .4 -M * 3.8 2.5 152 SYLVAN LAKE 8420 .6 2.3 26* 4.5 2.9 155 SYLVAN ROAD 7120 .0 .6 0* 2.7 2.4 113 YOUNTS PEAK 8350 .9 1.7 53* 2.8 2.1 133 ----- ----- Basin wide percent of average 76* 148 POWDER-TONGUE BEAR TRAP MEADOW 8200 .3 .7 43 2.2 1.9 116 BIG GOOSE 7990 2.4 1.0 240* 5.7 2.3 248 BONE SPRINGS DIV 9350 4.5 2.8 161 4.9 2.8 175 BURGESS JUNCTION 7880 2.2 1.8 122 5.1 2.4 213 CLOUD PEAK RESERVOIR 9860 2.8 1.9 147 4.6 2.9 159 DOME LAKE 8880 3.5 2.1 167 6.1 2.8 218 GRAVE SPRINGS 8550 .2 1.4 14 2.5 2.3 109 HANSEN SAWMILL 8360 .8 1.0 80 2.7 2.0 135 LITTLE GOOSE 8870 2.9 -M * 6.4 -M * MIDDLE POWDER 7760 .6 1.5 40 4.4 2.9 152 POWDER RIVER PASS 9480 2.2 1.4 157 3.5 2.1 167 SOLDIER PARK 8720 .6 -M * 3.6 -M * SUCKER CREEK 8880 3.8 1.6 238 5.4 2.6 208 TIE CREEK 6870 1.0 .9 111 5.7 2.7 211 ----- ----- Basin wide percent of average 134 178 BELLE FOURCHE BLIND PARK 6890 .1 .8 13* 1.4 2.8 50 COLE CANYON 5910 .0 1.1 0 1.5 2.0 75 NORTH RAPID CREEK 6130 .5 .6 83* 1.0 2.7 37 ----- ----- Basin wide percent of average 24* 52 UPPER N. PLATTE RIVER BLACKHALL MTN 9820 2.6 -M * 4.2 -M * CINNABAR PARK 9574 1.6 1.9 84 3.8 2.9 131 COLUMBINE 9160 .4 1.1 36* 3.0 2.7 111 DIVIDE PEAK 8880 1.4 2.0 70* 4.2 3.0 140 ELK RIVER 8700 .3 .8 38* 2.5 2.4 104 JOE WRIGHT 10120 1.4 2.9 48 4.9 3.8 129 NORTH FRENCH CREEK 10130 2.8 3.5 80 4.2 3.7 114 OLD BATTLE 10000 2.9 3.5 83* 4.2 4.0 105 SAGE CREEK BASIN 7850 .7 1.2 58* 2.5 1.8 139 SOUTH BRUSH CREEK 8440 .6 .9 67* 3.1 2.9 107 TOWER 10500 2.6 4.2 62* 4.0 4.5 89 WEBBER SPRINGS 9250 1.2 2.2 55* 4.1 3.5 117 WILLOW CREEK PASS 9540 1.7 1.4 121* 2.7 2.2 123 ----- ----- Basin wide percent of average 69* 116 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.1 2.5 44* 3.7 2.8 132 CASPER MTN. 7900 2.6 2.0 130 6.2 2.8 221 DEADMAN HILL 10220 3.4 2.5 136 4.2 2.7 156 DEER PARK 9700 1.2 2.8 43 3.0 2.9 103 LAPRELE CREEK 8375 1.3 1.2 108 3.7 2.1 176 RENO HILL 8400 2.9 1.9 153 4.6 2.8 164 ROACH 9700 2.3 1.4 164* 4.0 2.6 154 SAND LAKE 10050 3.8 3.8 100 4.7 3.4 138 SOUTH PASS 9040 .9 1.7 53* 2.6 2.4 108 WINDY PEAK 7900 1.4 .7 200* 2.9 1.9 153 ----- ----- Basin wide percent of average 102 150 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .3 .6 50* 1.9 2.1 90 DIVIDE PEAK 8880 1.4 2.0 70* 4.2 3.0 140 OLD BATTLE 10000 2.9 3.5 83* 4.2 4.0 105 SANDSTONE RS 8150 .0 .6 0* 2.0 2.6 77 WHISKEY PARK 8950 .4 2.1 19* 3.6 3.3 109 ----- ----- Basin wide percent of average 57* 106 UPPER GREEN RIVER BIG SANDY OPENING 9080 .9 1.4 64* 2.0 2.0 100 BLIND BULL SUM 8650 .6 2.0 30* 2.1 2.5 84 EAST RIM DIVIDE 7930 .3 .8 38* 2.0 1.5 133 ELKHART PARK G.S. 9400 .8 1.0 80* 2.7 2.2 123 GROS VENTRE SUMMIT 8750 .5 1.6 31 2.2 2.0 110 GUNSIGHT PASS 9820 .7 -M * 2.4 -M * KENDALL R.S. 7740 .2 .9 22* 2.0 1.8 111 LOOMIS PARK 8240 .0 1.1 0* 2.5 2.1 119 NEW FORK LAKE 8340 .6 .7 86* 2.4 1.8 133 POCKET CREEK 9360 1.6 -M * 2.6 -M * SNIDER BASIN 8060 .1 .9 11* 1.5 1.8 83 SPRING CREEK DIVIDE 9000 1.3 1.8 72* 3.4 2.9 117 TRIPLE PEAK 8500 .9 1.5 60* 3.0 2.5 120 ----- ----- Basin wide percent of average 45* 112 LOWER GREEN RIVER HAMS FORK 7840 .1 .5 20* 2.6 1.6 163 HEWINTA 9519 .0 1.0 0* 3.3 2.6 127 HICKERSON PARK 9145 .3 .6 50* 3.7 1.9 195 HOLE-IN-ROCK 9150 1.2 .6 200* 3.7 1.8 206 INDIAN CREEK 9425 1.4 1.9 74* 3.2 2.9 110 KELLEY R.S. 8180 .4 1.2 33* 2.7 2.4 113 STEEL CREEK PARK 10200 .7 1.8 39* 4.0 2.6 154 ----- ----- Basin wide percent of average 54* 147 UPPER BEAR RIVER BUG LAKE 7950 .5 1.5 33* 2.0 2.6 77 HAYDEN FORK 9212 .5 1.0 50* 4.5 2.7 167 KELLEY R.S. 8180 .4 1.2 33* 2.7 2.4 113 LILY LAKE 9156 .3 1.1 27* 3.2 2.7 119 MONTE CRISTO 8960 .8 1.8 44* 3.1 3.1 100 SALT RIVER SUMMIT 7760 .3 .5 60* 2.1 2.2 95 TRIAL LAKE 9992 1.5 2.2 68* 2.7 3.1 87 ----- ----- Basin wide percent of average 46* 108 ----------------------------------------------------------------------------- -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 1971-2000. 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.