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 5 , 2000 ----------------------------------------------------------------------------- BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Average Avg Current Average Avg ----------------------------------------------------------------------------- WYOMING SNAKE RIVER BASE CAMP 7030 .0 1.1 0* 2.6 2.6 100 COTTONWOOD CREEK 7600 1.5 1.2 125* 3.5 2.8 125 GRANITE CREEK 6770 .1 1.0 10* 3.0 2.9 103 GRASSY LAKE 7265 1.9 1.8 106* 4.2 4.3 98 GROS VENTRE SUMMIT 8775 1.8 1.5 120* 1.8 2.0 90 LEWIS LAKE DIVIDE 7860 1.0 2.1 48* 4.0 4.4 91 PHILLIPS BENCH 8200 2.3 1.7 135* 3.3 3.3 100 SALT RIVER SUMMIT 7600 .2 .3 67* 3.0 2.1 143 SNAKE RIVER STATION 6920 .3 1.0 30* 3.5 3.0 117 SPRING CREEK DIVIDE 9000 2.5 2.1 119* 3.3 2.8 118 THUMB DIVIDE 7980 .1 .9 11* 2.3 2.4 96 TOGWOTEE PASS 9580 2.9 2.8 104* 3.0 3.2 94 TWO OCEAN PLATEAU 9360 3.4 4.0 85 3.2 3.6 89 WILLOW CREEK 8450 .9 1.8 50* 4.4 3.6 122 ----- ----- Basin wide percent of average 81* 105 UPPER YELLOWSTONE-MADISON BEARTOOTH LAKE 9275 2.6 3.5 74 2.5 2.3 109 BLACK BEAR 7950 4.1 3.4 121* 5.8 4.4 132 CANYON 7940 .7 1.1 64* 2.6 2.1 124 FISHER CREEK 9100 2.8 3.3 85* 4.0 3.8 105 MADISON PLATEAU 7750 2.0 2.0 100* 4.3 3.1 139 NORTHEAST ENTRANCE 7350 .1 .5 20* 1.9 1.8 106 PARKER PEAK 9400 2.9 4.2 69 3.2 2.6 123 SYLVAN LAKE 8420 1.6 3.0 53 4.1 3.1 132 THUMB DIVIDE 7980 .1 .9 11* 2.3 2.4 96 TWO OCEAN PLATEAU 9360 3.4 4.0 85 3.2 3.6 89 WHISKEY CREEK 6800 .3 1.1 27* 4.1 2.7 152 WHITE MILL 8700 1.9 2.4 79* 3.0 3.3 91 WOLVERINE 7650 .1 .6 17* 2.7 1.9 142 ----- ----- Basin wide percent of average 75* 118 WIND RIVER BURROUGHS CREEK 8750 .9 1.2 75* 1.4 2.1 67 COLD SPRINGS 9630 .4 1.2 33 .9 2.2 41 DEER PARK 9700 2.5 -M * 2.7 -M * HOBBS PARK 10100 1.9 2.6 73 1.5 2.3 65 LITTLE WARM 9620 1.4 1.3 108* 1.5 2.2 68 SOUTH PASS 9040 1.6 3.0 53 1.8 2.6 69 ST. LAWRENCE ALT 8620 .3 .9 33 .9 2.0 45 TOGWOTEE PASS 9580 2.9 2.8 104* 3.0 3.2 94 TOWNSEND CREEK 8700 .9 1.2 75 1.9 2.2 86 ----- ----- Basin wide percent of average 73 69 BIGHORN BASIN BALD MTN. 9375 2.2 3.1 71 2.5 2.7 93 BEAR TRAP MEADOW 7900 .6 .9 67 1.0 1.8 56 BLACKWATER 9780 2.9 3.0 97 2.9 2.8 104 BONE SPRINGS DIV 9350 1.9 3.0 63 2.7 2.5 108 EVENING STAR 9200 1.6 4.5 36 4.1 3.4 121 GRAVE SPRINGS 8550 .6 1.3 46 1.5 2.1 71 KIRWIN 9550 1.3 1.8 72 1.8 1.9 95 MARQUETTE 8760 .0 1.2 0 1.5 2.0 75 MIDDLE POWDER 7760 1.0 1.6 62 2.1 2.4 88 OWL CREEK 8975 .4 .6 67 1.1 1.1 100 POWDER RIVER PASS 9480 .5 1.5 33 1.9 2.2 86 SHELL CREEK 9580 2.6 2.8 93 2.7 2.2 123 SYLVAN LAKE 8420 1.6 3.0 53 4.1 3.1 132 SYLVAN ROAD 8120 .1 1.9 5 3.2 2.6 123 TIMBER CREEK 7950 .0 .4 -0* 1.5 1.5 100 YOUNTS PEAK 8350 1.0 2.7 37 2.9 2.3 126 ----- ----- Basin wide percent of average 55 102 SHOSHONE RIVER BLACKWATER 9780 2.9 3.0 97 2.9 2.8 104 EVENING STAR 9200 1.6 4.5 36 4.1 3.4 121 KIRWIN 9550 1.3 1.8 72 1.8 1.9 95 MARQUETTE 8760 .0 1.2 0 1.5 2.0 75 SYLVAN LAKE 8420 1.6 3.0 53 4.1 3.1 132 SYLVAN ROAD 8120 .1 1.9 5 3.2 2.6 123 YOUNTS PEAK 8350 1.0 2.7 37 2.9 2.3 126 ----- ----- Basin wide percent of average 47 113 POWDER-TONGUE BEAR TRAP MEADOW 7900 .6 .9 67 1.0 1.8 56 BIG GOOSE 7990 .7 -M * 2.1 -M * BONE SPRINGS DIV 9350 1.9 3.0 63 2.7 2.5 108 BURGESS JUNCTION 7880 1.0 1.9 53 1.7 2.2 77 CLOUD PEAK RESERVOIR 9860 .8 1.6 50* 2.5 2.4 104 DOME LAKE 8880 1.6 2.2 73 2.3 2.6 88 GRAVE SPRINGS 8550 .6 1.3 46 1.5 2.1 71 HANSEN SAWMILL 8760 .6 1.0 60 1.8 1.8 100 MIDDLE POWDER 7760 1.0 1.6 62 2.1 2.4 88 POWDER RIVER PASS 9480 .5 1.5 33 1.9 2.2 86 SUCKER CREEK 8880 .5 1.4 36 1.9 2.5 76 TIE CREEK 6870 .3 -M * 1.9 2.1 90 ----- ----- Basin wide percent of average 55 87 BELLE FOURCHE BLIND PARK 6890 2.6 1.8 144 3.3 2.0 165 COLE CANYON 5910 2.8 1.8 156 3.4 1.6 212 NORTH RAPID CREEK 6130 2.4 -M * 3.7 -M * ----- ----- Basin wide percent of average 150 186 UPPER N. PLATTE RIVER COLUMBINE 9400 1.1 2.0 55* 1.7 3.0 57 DIVIDE PEAK 8800 1.2 2.6 46 3.4 3.6 94 ELK RIVER 8700 .7 .7 100* 1.7 2.7 63 JOE WRIGHT 10120 2.6 3.6 72 2.4 4.1 59 NORTH FRENCH CREEK 10100 2.1 2.9 72* 2.1 2.8 75 OLD BATTLE 10000 2.6 4.3 60 2.9 3.9 74 SOUTH BRUSH CREEK 8400 1.6 .7 229* 1.7 2.7 63 TOWER 10500 3.6 7.1 51 3.7 4.8 77 WEBBER SPRINGS 9200 1.1 2.6 42* 1.8 3.7 49 WILLOW CREEK PASS 9540 1.1 1.4 79 1.2 2.1 57 ----- ----- Basin wide percent of average 63 68 LOWER N. PLATTE - SWEETWATER - LARAMIE BROOKLYN LAKE 10240 1.5 2.6 58* 1.6 2.8 57 CASPER MTN. 7900 1.4 1.7 82* 1.8 2.9 62 DEADMAN HILL 10220 1.7 1.8 94* 1.4 2.8 50 DEER PARK 9700 2.5 -M * 2.7 -M * LAPRELE CREEK 8320 1.2 1.2 100 1.8 1.7 106 RENO HILL 8400 1.4 2.0 70 1.6 3.0 53 ROACH 9700 1.1 1.9 58 1.5 3.2 47 SAND LAKE 10080 2.6 4.0 65 2.7 3.1 87 SOUTH PASS 9040 1.6 3.0 53 1.8 2.6 69 WINDY PEAK 7840 1.4 .5 280* 2.0 1.4 143 ----- ----- Basin wide percent of average 74 69 LITTLE SNAKE RIVER BATTLE MOUNTAIN 7440 .5 .7 71* 2.1 2.2 95 DIVIDE PEAK 8800 1.2 2.6 46 3.4 3.6 94 OLD BATTLE 10000 2.6 4.3 60 2.9 3.9 74 SANDSTONE RS 8150 .8 1.1 73* 2.5 2.2 114 WHISKEY PARK 8950 1.3 2.9 45* 2.4 2.5 96 ----- ----- Basin wide percent of average 55* 92 UPPER GREEN RIVER BIG SANDY OPENING 9100 2.3 1.0 230* 2.4 2.0 120 BLIND BULL SUM 8650 2.2 3.0 73* 2.7 2.6 104 EAST RIM DIVIDE 7930 .7 .7 100* 2.0 1.9 105 ELKHART PARK G.S. 9400 2.2 1.3 169* 2.8 2.0 140 GROS VENTRE SUMMIT 8775 1.8 1.5 120* 1.8 2.0 90 KENDALL R.S. 7740 .1 .3 33* 1.7 1.9 89 LOOMIS PARK 8240 1.5 .9 167* 2.3 2.3 100 NEW FORK LAKE 8340 1.0 .3 333* 2.2 1.8 122 SNIDER BASIN 8250 .3 .4 75* 1.8 1.9 95 SPRING CREEK DIVIDE 9000 2.5 2.1 119* 3.3 2.8 118 TRIPLE PEAK 8500 1.9 1.6 119* 3.3 3.6 92 ----- ----- Basin wide percent of average 126* 106 LOWER GREEN RIVER HAMS FORK 7840 .4 .2 200* 1.7 1.6 106 HEWINTA 9500 .0 .5 -0* 2.9 2.7 107 HICKERSON PARK 9150 .7 .5 140* 3.8 2.3 165 HOLE-IN-ROCK 9150 .2 .3 67* 2.9 2.3 126 INDIAN CREEK 9425 2.9 2.3 126* 2.9 3.0 97 KELLEY R.S. 8180 1.0 .8 125* 2.8 2.3 122 STEEL CREEK PARK 10100 1.4 2.3 61 2.6 2.7 96 ----- ----- Basin wide percent of average 96* 116 UPPER BEAR RIVER BUG LAKE 7950 .2 1.5 13* 2.0 3.7 54 HAYDEN FORK 9400 .7 1.2 58* 3.4 2.9 117 KELLEY R.S. 8180 1.0 .8 125* 2.8 2.3 122 LILY LAKE 9050 .6 1.3 46* 2.5 3.0 83 MONTE CRISTO 8960 .6 1.9 32* 3.2 4.1 78 SALT RIVER SUMMIT 7600 .2 .3 67* 3.0 2.1 143 TRIAL LAKE 9960 2.2 2.4 92* 4.4 3.5 126 ----- ----- Basin wide percent of average 59* 99 ----------------------------------------------------------------------------- -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 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.