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: JUNE 22 , 1999 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 .0 100* 34.3 29.2 118 COTTONWOOD CREEK 7600 .0 .0 100* 40.7 32.4 126 GRANITE CREEK 6770 .0 .0 100* 32.2 31.5 102 GRASSY LAKE 7265 .0 .0 100* 55.7 48.3 116 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.2 21.4 109 LEWIS LAKE DIVIDE 7860 .5 .0 * 50.5 49.0 104 PHILLIPS BENCH 8200 1.9 .0 * 41.7 38.7 108 SALT RIVER SUMMIT 7600 .3 .0 * 26.0 22.7 116 SNAKE RIVER STATION 6920 .0 .0 100* 34.7 33.9 103 SPRING CREEK DIVIDE 9000 5.0 .0 * 39.8 35.2 114 THUMB DIVIDE 7980 .0 .0 100* 30.9 27.4 114 TOGWOTEE PASS 9580 -M 7.6 * 39.0 36.8 106 TWO OCEAN PLATEAU 9360 24.2 9.0 272 41.8 40.2 105 WILLOW CREEK 8450 .0 .0 100* 54.2 41.8 130 ----- ----- Basin wide percent of average 272* 112 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 9.5 6.1 155 30.9 26.9 115 BLACK BEAR 7950 28.5 8.5 340 65.5 53.3 123 CANYON 7940 .0 .3 0* 26.4 20.9 127 FISHER CREEK 9100 26.9 14.7 183 48.8 49.8 98 MADISON PLATEAU 7750 -M .3 * 42.7 35.4 121 NORTHEAST ENTRANCE 7350 .2 .0 * 20.5 18.4 113 PARKER PEAK 9400 1.4 8.0 17 -M 23.9 * SYLVAN LAKE 8420 -M 3.4 * -M 28.7 * THUMB DIVIDE 7980 .0 .0 100* 30.9 27.4 114 TWO OCEAN PLATEAU 9360 24.2 9.0 272 41.8 40.2 105 WHISKEY CREEK 6800 .0 .0 100* 34.4 29.9 116 WHITE MILL 8700 -M 7.1 * 33.9 38.9 88 WOLVERINE 7650 .0 .0 100* 17.4 19.9 88 ----- ----- Basin wide percent of average 196* 109 WIND RIVER BURROUGHS CREEK 8750 .2 .0 * 27.0 23.7 114 COLD SPRINGS 9630 .2 .0 * 26.9 17.7 153 DEER PARK 9700 3.4 -M * 37.9 -M * HOBBS PARK 10100 7.5 2.2 353 32.2 22.5 143 LITTLE WARM 9620 .3 .0 * 28.4 20.7 138 SOUTH PASS 9040 -M 2.3 * 34.8 25.7 136 ST. LAWRENCE ALT 8620 .0 .0 100* 23.7 16.2 147 TOGWOTEE PASS 9580 -M 7.6 * 39.0 36.8 106 TOWNSEND CREEK 8700 .2 .0 * 28.5 20.2 142 ----- ----- Basin wide percent of average 353* 132 BIGHORN BASIN BALD MTN. 9375 7.6 5.8 134 29.5 27.0 110 BEAR TRAP MEADOW 7900 .2 .0 * 20.5 15.7 131 BLACKWATER 9780 22.2 5.5 402 34.5 26.9 129 BONE SPRINGS DIV 9350 .2 1.5 7* 29.7 24.4 122 EVENING STAR 9200 15.0 11.1 136 45.2 33.0 137 GRAVE SPRINGS 8550 .2 .0 * 21.4 18.4 116 KIRWIN 9550 .0 .6 0* 24.5 17.9 137 MARQUETTE 8760 .0 .5 0* 24.7 19.2 129 MIDDLE POWDER 7760 .0 .0 100* 22.9 20.4 113 OWL CREEK 8975 .0 .0 100* 19.9 12.1 165 POWDER RIVER PASS 9480 .0 .0 100* -M 20.2 * SHELL CREEK 9580 .0 2.3 0 25.5 22.2 115 SYLVAN LAKE 8420 -M 3.4 * -M 28.7 * SYLVAN ROAD 8120 -M .0 * -M 24.0 * TIMBER CREEK 7950 .0 .0 100* 20.7 15.4 135 YOUNTS PEAK 8350 .7 1.2 59* 25.9 24.2 108 ----- ----- Basin wide percent of average 161* 125 SHOSHONE RIVER BLACKWATER 9780 22.2 5.5 402 34.5 26.9 129 EVENING STAR 9200 15.0 11.1 136 45.2 33.0 137 KIRWIN 9550 .0 .6 0* 24.5 17.9 137 MARQUETTE 8760 .0 .5 0* 24.7 19.2 129 SYLVAN LAKE 8420 -M 3.4 * -M 28.7 * SYLVAN ROAD 8120 -M .0 * -M 24.0 * YOUNTS PEAK 8350 .7 1.2 59* 25.9 24.2 108 ----- ----- Basin wide percent of average 200* 128 POWDER-TONGUE BEAR TRAP MEADOW 7900 .2 .0 * 20.5 15.7 131 BIG GOOSE 7990 .0 -M * 22.4 -M * BONE SPRINGS DIV 9350 .2 1.5 7* 29.7 24.4 122 BURGESS JUNCTION 7880 .0 .0 100* 21.4 19.4 111 CLOUD PEAK RESERVOIR 9860 .0 1.9 0 28.7 23.7 122 DOME LAKE 8880 -M .5 * 19.9 22.0 91 GRAVE SPRINGS 8550 .2 .0 * 21.4 18.4 116 HANSEN SAWMILL 8760 .0 .0 100* -M 15.2 * MIDDLE POWDER 7760 .0 .0 100* 22.9 20.4 113 POWDER RIVER PASS 9480 .0 .0 100* -M 20.2 * SUCKER CREEK 8880 .0 .2 0* 26.4 22.7 116 TIE CREEK 6870 .0 -M * 22.7 18.7 121 ----- ----- Basin wide percent of average 3* 116 BELLE FOURCHE BLIND PARK 6890 .0 .0 100* 27.2 21.0 130 NORTH RAPID CREEK 6130 .0 -M * 25.2 -M * WARREN PEAK 6520 .2 .0 * 26.9 15.7 172 ----- ----- Basin wide percent of average * 148 UPPER N. PLATTE RIVER COLUMBINE 9400 .0 .0 100* 32.4 31.9 102 DIVIDE PEAK 8800 .0 .3 0* 35.9 31.9 113 ELK RIVER 8700 .0 .0 100* 32.2 25.7 125 JOE WRIGHT 10120 1.4 4.8 28 39.8 36.7 109 NORTH FRENCH CREEK 10100 17.4 7.3 239 43.0 33.8 128 OLD BATTLE 10000 9.9 6.5 154 53.4 41.3 130 SOUTH BRUSH CREEK 8400 6.0 .0 * 29.4 25.2 118 TOWER 10500 24.9 19.9 125 54.0 51.0 106 WEBBER SPRINGS 9200 .0 1.2 0* 39.2 35.3 112 WILLOW CREEK PASS 9540 .0 .0 100* 20.7 19.9 105 ----- ----- Basin wide percent of average 135* 115 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 3.2 2.3 135* 35.8 28.4 126 CASPER MTN. 7900 .3 .6 34* 28.2 24.9 114 DEADMAN HILL 10220 .0 2.3 0 27.7 26.2 107 DEER PARK 9700 3.4 -M * 37.9 -M * LAPRELE CREEK 8320 .0 .0 100* 26.9 19.9 136 RENO HILL 8400 .0 .5 0* 30.2 26.2 116 ROACH 9700 .0 .7 0* 30.5 31.7 97 SAND LAKE 10080 22.4 8.9 254 44.5 30.2 148 SOUTH PASS 9040 -M 2.3 * 34.8 25.7 136 WINDY PEAK 7840 .0 .0 100* 23.2 17.4 133 ----- ----- Basin wide percent of average 171* 123 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .2 .0 * 24.9 21.7 116 DIVIDE PEAK 8800 .0 .3 0* 35.9 31.9 113 OLD BATTLE 10000 9.9 6.5 154 53.4 41.3 130 SANDSTONE RS 8150 .0 .0 100* 29.2 26.9 109 WHISKEY PARK 8950 .2 .3 50* 42.3 39.3 108 ----- ----- Basin wide percent of average 146* 116 UPPER GREEN RIVER BIG SANDY OPENING 9100 .0 .0 100* 22.9 21.7 106 BLIND BULL SUM 8650 5.5 5.1 108 31.7 30.7 104 EAST RIM DIVIDE 7930 .0 .0 100* 21.2 20.4 104 ELKHART PARK G.S. 9400 .0 .0 100* 24.2 21.4 113 GROS VENTRE SUMMIT 8775 .0 .0 100* 23.2 21.4 109 KENDALL R.S. 7740 .0 .0 100* 22.4 20.9 108 LOOMIS PARK 8240 .0 .0 100* 27.7 25.2 110 NEW FORK LAKE 8340 .0 .0 100* 20.7 19.4 108 SNIDER BASIN 8250 .0 .0 100* 26.2 20.4 130 SPRING CREEK DIVIDE 9000 5.0 .0 * 39.8 35.2 114 TRIPLE PEAK 8500 .0 .0 100* 42.0 40.5 104 ----- ----- Basin wide percent of average 108* 110 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 20.4 17.9 114 HEWINTA 9500 .0 .0 100* 22.7 20.5 111 HICKERSON PARK 9150 .2 .0 * 17.4 16.7 104 HOLE-IN-ROCK 9150 .0 .0 100* 17.9 16.7 107 INDIAN CREEK 9425 9.0 .0 * 37.8 33.8 113 KELLEY R.S. 8180 .0 .0 100* 27.7 25.2 110 STEEL CREEK PARK 10100 2.9 2.2 139 26.9 22.4 121 ----- ----- Basin wide percent of average 139* 112 UPPER BEAR RIVER BUG LAKE 7950 .2 .0 * 31.9 26.0 123 HAYDEN FORK 9400 .0 .0 100* 31.7 27.7 115 KELLEY R.S. 8180 .0 .0 100* 27.7 25.2 110 LILY LAKE 9050 .0 .0 100* 27.7 22.7 123 MONTE CRISTO 8960 -M 2.3 * 41.3 35.3 118 SALT RIVER SUMMIT 7600 .3 .0 * 26.0 22.7 116 TRIAL LAKE 9960 .6 2.3 27* 34.3 33.3 104 ----- ----- Basin wide percent of average 27* 115 ----------------------------------------------------------------------------- -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.