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: OCTOBER 8 , 1998 ----------------------------------------------------------------------------- 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* .4 .5 80 COTTONWOOD CREEK 7600 .0 .0 100* 1.8 .5 360 GRANITE CREEK 6770 .0 .0 100* .2 .5 40 GRASSY LAKE 7265 .0 .0 100* .0 .7 0 GROS VENTRE SUMMIT 8775 .4 .0 * .5 .4 125 LEWIS LAKE DIVIDE 7860 .0 .0 100* .1 .8 12 PHILLIPS BENCH 8200 .0 .0 100* .4 .6 67 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .4 300 SNAKE RIVER STATION 6920 -M .0 * -M .5 * SPRING CREEK DIVIDE 9000 .4 .0 * 1.2 .5 240 THUMB DIVIDE 7980 .1 .0 * .1 .4 25 TOGWOTEE PASS 9580 .6 .5 120* .8 .6 133 TWO OCEAN PLATEAU 9360 .3 .7 43* .9 .6 150 WILLOW CREEK 8450 .0 .0 100* 1.4 .6 233 ----- ----- Basin wide percent of average 75* 127 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 .1 1.1 9* .7 .4 175 BLACK BEAR 7950 .0 .8 0* .2 .8 25 CANYON 7940 .0 .2 0* .1 .4 25 FISHER CREEK 9100 .1 .7 14* .8 .7 114 MADISON PLATEAU 7750 .0 .4 0* .2 .6 33 NORTHEAST ENTRANCE 7350 .1 .0 * .4 .3 133 PARKER PEAK 9400 .1 1.2 8* .7 .5 140 SYLVAN LAKE 8420 .0 .9 0* .8 .6 133 THUMB DIVIDE 7980 .1 .0 * .1 .4 25 TWO OCEAN PLATEAU 9360 .3 .7 43* .9 .6 150 WHISKEY CREEK 6800 .0 .1 0* .0 .5 0 WHITE MILL 8700 .1 .6 17* .6 .6 100 WOLVERINE 7650 .1 .1 100* .6 .4 150 ----- ----- Basin wide percent of average 12* 90 WIND RIVER BURROUGHS CREEK 8750 .4 .2 200* .5 .4 125 COLD SPRINGS 9630 .2 .2 100* .8 .4 200 DEER PARK 9700 1.0 -M * 1.6 -M * HOBBS PARK 10100 2.2 .6 367* 2.4 .5 480 LITTLE WARM 9620 .5 .3 167* 1.0 .4 250 SOUTH PASS 9040 .9 .8 112* 1.4 .5 280 ST. LAWRENCE ALT 8620 .7 .2 350* 1.6 .4 400 TOGWOTEE PASS 9580 .6 .5 120* .8 .6 133 TOWNSEND CREEK 8700 1.4 .2 700* 2.2 .4 550 ----- ----- Basin wide percent of average 230* 297 BIGHORN BASIN BALD MTN. 9375 1.2 1.0 120* 1.4 .5 280 BEAR TRAP MEADOW 7900 .1 .2 50* 1.1 .4 275 BLACKWATER 9780 .7 1.0 70* 1.2 .5 240 BONE SPRINGS DIV 9350 .6 1.2 50* 1.3 .5 260 EVENING STAR 9200 .1 1.1 9* .4 .7 57 GRAVE SPRINGS 8550 .8 -M * 1.3 .4 325 KIRWIN 9550 .5 .5 100* .8 .4 200 MARQUETTE 8760 .9 .4 225* 1.5 .4 375 MIDDLE POWDER 7760 .7 .5 140* 1.5 .5 300 OWL CREEK 8975 .5 .4 125* .9 .2 450 POWDER RIVER PASS 9480 .1 .4 25* .9 .4 225 SHELL CREEK 9580 1.0 1.1 91* .8 .4 200 SYLVAN LAKE 8420 .0 .9 0* .8 .6 133 SYLVAN ROAD 8120 .0 .5 0* .3 .5 60 TIMBER CREEK 7950 .4 .1 400* 1.3 .3 433 YOUNTS PEAK 8350 .2 .7 29* .6 .4 150 ----- ----- Basin wide percent of average 70* 227 SHOSHONE RIVER BLACKWATER 9780 .7 1.0 70* 1.2 .5 240 EVENING STAR 9200 .1 1.1 9* .4 .7 57 KIRWIN 9550 .5 .5 100* .8 .4 200 MARQUETTE 8760 .9 .4 225* 1.5 .4 375 SYLVAN LAKE 8420 .0 .9 0* .8 .6 133 SYLVAN ROAD 8120 .0 .5 0* .3 .5 60 YOUNTS PEAK 8350 .2 .7 29* .6 .4 150 ----- ----- Basin wide percent of average 47* 160 POWDER-TONGUE BEAR TRAP MEADOW 7900 .1 .2 50* 1.1 .4 275 BONE SPRINGS DIV 9350 .6 1.2 50* 1.3 .5 260 BURGESS JUNCTION 7880 .2 .5 40* 1.0 .5 200 CLOUD PEAK RESERVOIR 9860 1.1 .4 275* 1.8 .5 360 DOME LAKE 8880 .5 .6 83* 1.0 .5 200 GRAVE SPRINGS 8550 .8 -M * 1.3 .4 325 HANSEN SAWMILL 8760 .1 .2 50* .9 .4 225 MIDDLE POWDER 7760 .7 .5 140* 1.5 .5 300 POWDER RIVER PASS 9480 .1 .4 25* .9 .4 225 SUCKER CREEK 8880 .9 .4 225* 1.2 .5 240 TIE CREEK 6870 .1 -M * .9 .4 225 ----- ----- Basin wide percent of average 98* 258 BELLE FOURCHE BLIND PARK 6890 .0 .5 0* 3.0 .4 750 NORTH RAPID CREEK 6130 .0 -M * 3.9 -M * WARREN PEAK 6520 .0 .5 0* 3.3 .3 1100 ----- ----- Basin wide percent of average 0* 900 UPPER N. PLATTE RIVER COLUMBINE 9400 .2 .3 67* 2.0 .6 333 DIVIDE PEAK 8800 -M .3 * -M .7 * ELK RIVER 8700 .0 .0 100* 3.5 .5 700 JOE WRIGHT 10120 1.8 .6 300* 3.4 .8 425 NORTH FRENCH CREEK 10100 2.5 .3 833* 3.5 .5 700 OLD BATTLE 10000 1.8 1.1 164* 3.4 .7 486 SOUTH BRUSH CREEK 8400 -M .1 * -M .5 * TOWER 10500 1.8 1.1 164* 3.3 .9 367 WEBBER SPRINGS 9200 .1 .3 33* 2.4 .7 343 WILLOW CREEK PASS 9540 .3 .1 300* 1.6 .4 400 ----- ----- Basin wide percent of average 224* 453 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.2 .6 200* .0 .5 0 CASPER MTN. 7900 1.3 .2 650* 2.2 .6 367 DEADMAN HILL 10220 1.0 .2 500* 1.7 .5 340 DEER PARK 9700 1.0 -M * 1.6 -M * LAPRELE CREEK 8320 .2 .1 200* 2.5 .3 833 RENO HILL 8400 2.1 .3 700* 2.9 .6 483 ROACH 9700 .3 .2 150* 1.4 .6 233 SAND LAKE 10080 2.8 .5 560* 4.3 .6 717 SOUTH PASS 9040 .9 .8 112* 1.4 .5 280 WINDY PEAK 7840 .1 .0 * 2.9 .3 967 ----- ----- Basin wide percent of average 338* 429 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .0 .0 100* 2.1 .4 525 DIVIDE PEAK 8800 -M .3 * -M .7 * OLD BATTLE 10000 1.8 1.1 164* 3.4 .7 486 SANDSTONE RS 8150 .0 .0 100* 3.1 .4 775 WHISKEY PARK 8950 .6 .3 200* 3.4 .4 850 ----- ----- Basin wide percent of average 171* 632 UPPER GREEN RIVER BIG SANDY OPENING 9100 .9 .0 * 1.4 .4 350 BLIND BULL SUM 8650 .1 .0 * .7 .5 140 EAST RIM DIVIDE 7930 .0 .0 100* .4 .3 133 ELKHART PARK G.S. 9400 .1 .0 * .6 .4 150 GROS VENTRE SUMMIT 8775 .4 .0 * .5 .4 125 KENDALL R.S. 7740 .1 .0 * .4 .3 133 LOOMIS PARK 8240 .1 .0 * .6 .4 150 NEW FORK LAKE 8340 .0 .0 100* .5 .3 167 SNIDER BASIN 8250 .1 .0 * .7 .3 233 SPRING CREEK DIVIDE 9000 .4 .0 * 1.2 .5 240 TRIPLE PEAK 8500 .1 .0 * 1.1 .6 183 ----- ----- Basin wide percent of average * 184 LOWER GREEN RIVER HAMS FORK 7840 .0 .0 100* 1.2 .3 400 HEWINTA 9500 .0 .1 0* 1.0 .5 200 HICKERSON PARK 9150 .4 .0 * .5 .5 100 HOLE-IN-ROCK 9150 .0 .0 100* 1.1 .5 220 INDIAN CREEK 9425 1.0 .0 * 1.6 .5 320 KELLEY R.S. 8180 .3 .0 * 1.2 .4 300 STEEL CREEK PARK 10100 .7 .6 117* 1.4 .5 280 ----- ----- Basin wide percent of average 100* 250 UPPER BEAR RIVER BUG LAKE 7950 .2 .4 50* 1.5 .7 214 HAYDEN FORK 9400 .1 .2 50* 1.0 .6 167 KELLEY R.S. 8180 .3 .0 * 1.2 .4 300 LILY LAKE 9050 .2 .3 67* 1.3 .6 217 MONTE CRISTO 8960 .1 .5 20* 1.6 .8 200 SALT RIVER SUMMIT 7600 .0 .0 100* 1.2 .4 300 TRIAL LAKE 9960 .1 .5 20* .9 .7 129 ----- ----- Basin wide percent of average 37* 207 ----------------------------------------------------------------------------- -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.