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 MONDAY: NOVEMBER 7 , 2016 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 .1 .6 17* 7.3 2.7 270 Black Bear 8170 .7 3.8 18 11.1 5.1 218 Blind Bull Sum 8650 2.1 2.1 100* 5.6 2.6 215 Cottonwood Creek 7670 1.3 1.4 93* 8.5 3.5 243 East Rim Divide 7930 .1 .6 17* 3.9 1.8 217 Grand Targhee 9260 8.8 5.6 157 12.1 6.4 189 Granite Creek 6770 .0 .7 0* 6.6 2.5 264 Grassy Lake 7265 .6 1.8 33* 11.4 4.6 248 Gros Ventre Summit 8750 1.5 2.0 75 5.2 2.2 236 Gunsight Pass 9820 .6 1.5 40 5.2 2.6 200 Lewis Lake Divide 7850 .0 1.9 0* 10.1 4.4 230 Phillips Bench 8200 .4 1.9 21* 9.2 3.3 279 Salt River Summit 7760 .1 .5 20* 5.7 2.2 259 Snake River Station 6920 .0 .6 0* 7.8 3.3 236 Spring Creek Divide 9000 1.8 1.9 95* 7.5 3.0 250 Thumb Divide 7980 .2 1.1 18* 6.4 2.9 221 Togwotee Pass 9580 2.1 3.3 64 6.5 3.7 176 Two Ocean Plateau 9240 5.6 4.3 130 8.6 4.1 210 Willow Creek 8380 .7 1.8 39* 10.5 4.8 219 Younts Peak 8350 1.1 1.9 58 4.9 2.8 175 ----- ----- Basin Index (%) 71* 225 MADISON-GALLATIN Black Bear 8170 .7 3.8 18 11.1 5.1 218 Canyon 7870 .2 1.2 17* 5.9 2.5 236 Madison Plateau 7750 .0 1.9 0* 9.8 3.7 265 West Yellowstone 6700 .1 .3 33* 6.7 2.4 279 Whiskey Creek 6800 .1 1.0 10* 6.8 3.0 227 ----- ----- Basin Index (%) 13* 241 YELLOWSTONE Beartooth Lake 9360 2.3 3.6 64 3.9 2.9 134 Burnt Mtn 5880 .1 .0 * 3.0 3.7 81 Canyon 7870 .2 1.2 17* 5.9 2.5 236 Cole Creek 7850 .2 3.0 7 1.8 3.6 50 Evening Star 9200 3.1 3.2 97 9.4 4.2 224 Fisher Creek 9100 3.1 3.8 82 8.6 4.7 183 Northeast Entrance 7350 .0 .3 0* 5.1 2.2 232 Parker Peak 9400 4.7 3.2 147 7.0 3.2 219 Sylvan Lake 8420 1.4 2.3 61 10.4 3.9 267 Thumb Divide 7980 .2 1.1 18* 6.4 2.9 221 Two Ocean Plateau 9240 5.6 4.3 130 8.6 4.1 210 White Mill 8700 1.6 2.8 57 6.4 3.7 173 Wolverine 7650 .1 .4 25* 4.5 2.3 196 ----- ----- Basin Index (%) 77 185 WIND RIVER Burroughs Creek 8750 .2 -M * 2.8 -M * Castle Creek 8400 .2 -M * 2.0 -M * Cold Springs 9630 .1 1.2 8 2.4 2.3 104 Deer Park 9700 .5 2.0 25 3.6 3.6 100 Hobbs Park 10100 2.0 2.3 87 3.6 2.7 133 Kirwin 9550 .6 2.0 30 3.3 2.5 132 Little Warm 9370 .0 1.5 0 4.2 2.4 175 Owl Creek 8975 .1 1.0 10 1.4 1.5 93 South Pass 9040 .0 1.7 0 2.2 3.0 73 St. Lawrence Alt 8620 .0 1.0 0 2.8 2.1 133 Togwotee Pass 9580 2.1 3.3 64 6.5 3.7 176 Townsend Creek 8700 .2 1.2 17 2.8 2.7 104 ----- ----- Basin Index (%) 33 124 BIGHORN BASIN Bald Mtn. 9380 4.3 3.7 116 3.7 3.3 112 Bear Trap Meadow 8200 .1 .7 14 1.8 2.1 86 Bone Springs Div 9350 1.4 3.2 44 3.8 3.2 119 Grave Springs 8550 .0 1.1 0 1.6 2.6 62 Kirwin 9550 .6 2.0 30 3.3 2.5 132 Marquette 8760 .1 -M * 2.0 -M * Middle Powder 7760 .3 1.3 23 1.8 2.9 62 Owl Creek 8975 .1 1.0 10 1.4 1.5 93 Powder River Pass 9480 .4 1.7 24 2.8 2.6 108 Shell Creek 9580 2.8 3.4 82 3.2 2.9 110 Timber Creek 7950 .2 .8 25 1.4 2.4 58 ----- ----- Basin Index (%) 54 95 SHOSHONE RIVER Blackwater 9780 5.3 3.4 156 8.3 3.6 231 Evening Star 9200 3.1 3.2 97 9.4 4.2 224 Marquette 8760 .1 -M * 2.0 -M * Sylvan Road 7120 .1 .6 17* 7.9 3.0 263 Younts Peak 8350 1.1 1.9 58 4.9 2.8 175 ----- ----- Basin Index (%) 105 224 POWDER RIVER Bear Trap Meadow 8200 .1 .7 14 1.8 2.1 86 Cloud Peak Reservoir 9860 .3 2.3 13 2.6 3.3 79 Grave Springs 8550 .0 1.1 0 1.6 2.6 62 Hansen Sawmill 8360 .0 .8 0 1.6 2.1 76 Middle Powder 7760 .3 1.3 23 1.8 2.9 62 Powder River Pass 9480 .4 1.7 24 2.8 2.6 108 Soldier Park 8720 .0 -M * 2.1 -M * ----- ----- Basin Index (%) 14 78 TONGUE RIVER Big Goose 7990 .0 1.2 0 1.3 2.8 46 Bone Springs Div 9350 1.4 3.2 44 3.8 3.2 119 Burgess Junction 7880 .3 1.6 19 1.7 2.8 61 Dome Lake 8880 .6 2.3 26 2.3 3.2 72 Little Goose 8870 .0 -M * 2.1 -M * Sucker Creek 8880 .0 1.9 0 1.3 3.2 41 Tie Creek 6870 .0 .3 0* 2.3 3.0 77 ----- ----- Basin Index (%) 22 70 BELLE FOURCHE Cole Canyon 5910 .0 .0 * .9 2.5 36 ----- ----- Basin Index (%) * 36 CHEYENNE RIVER BASIN Blind Park 6890 .0 .9 0 1.6 3.1 52 North Rapid Creek 6130 .1 .6 17* .9 2.8 32 ----- ----- Basin Index (%) 7 42 UPPER N. PLATTE Arapaho Ridge 10960 .6 3.3 18 2.7 4.0 68 Blackhall Mtn 9820 1.1 -M * 3.5 -M * Columbine 9160 .0 1.2 0* 3.0 3.4 88 Divide Peak 8880 .0 2.1 0 2.4 3.9 62 Joe Wright 10120 .2 3.4 6 3.4 4.4 77 Laprele Creek 8375 .0 .9 0* -M 2.5 * Med Bow 10500 2.7 -M * 4.5 -M * North French Creek 10130 .6 3.2 19* 3.2 4.2 76 Never Summer 10280 .5 2.7 19 2.5 -M * Old Battle 10000 1.0 3.4 29* 3.0 5.2 58 Rawah 9020 .2 .8 25* 2.3 3.0 77 Sage Creek Basin 7850 .0 .9 0* 1.3 2.8 46 Sand Lake 10050 2.0 3.5 57 2.4 3.9 62 South Brush Creek 8440 .0 .9 0* 1.5 2.9 52 Tower 10500 -M 5.3 * 2.7 5.8 47 Webber Springs 9250 .0 1.7 0* 3.3 4.0 82 Willow Creek Pass 9540 .4 1.7 24 1.7 2.5 68 Zirkel 9340 .2 1.7 12* 4.3 4.8 90 ----- ----- Basin Index (%) 18* 68 SWEETWATER Deer Park 9700 .5 2.0 25 3.6 3.6 100 Larsen Creek 9000 .2 .5 40* 4.5 -M * South Pass 9040 .0 1.7 0 2.2 3.0 73 ----- ----- Basin Index (%) 17 88 LOWER N. PLATTE Casper Mtn. 7900 .1 1.5 7 .6 3.5 17 Laprele Creek 8375 .0 .9 0* -M 2.5 * Reno Hill 8400 -M 1.9 * -M 3.3 * Windy Peak 7900 .0 .7 0* .4 2.2 18 ----- ----- Basin Index (%) 3* 18 LARAMIE RIVER Brooklyn Lake 10240 .0 1.8 0* 1.0 3.0 33 Cinnabar Park 9574 -M 2.0 * 2.1 3.6 58 Crow Creek 8330 .0 .7 0* 1.1 2.3 48 Deadman Hill 10220 1.4 2.4 58 2.6 3.0 87 Rawah 9020 .2 .8 25* 2.3 3.0 77 Roach 9700 .1 1.8 6 1.4 3.1 45 ----- ----- Basin Index (%) 23* 58 S. PLATTE Black Mountain 8920 .3 -M * 1.7 -M * Crow Creek 8330 .0 .7 0* 1.1 2.3 48 Deadman Hill 10220 1.4 2.4 58 2.6 3.0 87 ----- ----- Basin Index (%) 45* 70 LITTLE SNAKE RIVER Battle Mountain 7440 .0 .0 * 2.5 2.6 96 Divide Peak 8880 .0 2.1 0 2.4 3.9 62 Elk River 8700 .2 .5 40* 2.3 3.1 74 Little Snake River 8915 .0 1.3 0* 4.0 5.3 75 Old Battle 10000 1.0 3.4 29* 3.0 5.2 58 Sage Creek Basin 7850 .0 .9 0* 1.3 2.8 46 Sandstone RS 8150 .0 .5 0* 1.2 3.0 40 Whiskey Park 8950 .0 1.8 0* 3.2 3.8 84 ----- ----- Basin Index (%) 11* 67 UPPER GREEN RIVER Big Sandy Opening 9080 1.5 2.0 75 4.6 2.2 209 Blind Bull Sum 8650 2.1 2.1 100* 5.6 2.6 215 East Rim Divide 7930 .1 .6 17* 3.9 1.8 217 Elkhart Park G.S. 9400 .4 1.4 29 5.0 2.3 217 Gros Ventre Summit 8750 1.5 2.0 75 5.2 2.2 236 Gunsight Pass 9820 .6 1.5 40 5.2 2.6 200 Kendall R.S. 7740 .2 .8 25* 4.6 2.1 219 Loomis Park 8240 .1 1.1 9* 5.2 2.3 226 New Fork Lake 8340 .5 1.0 50* 2.2 1.9 116 Pocket Creek 9360 2.9 -M * 5.1 -M * Snider Basin 8060 .0 .5 0* 5.4 1.9 284 Spring Creek Divide 9000 1.8 1.9 95* 7.5 3.0 250 Triple Peak 8500 1.9 1.9 100* 7.6 3.1 245 ----- ----- Basin Index (%) 64* 221 LOWER GREEN RIVER Blacks Fork Jct 8870 .0 -M * 1.7 -M * Buck Pasture 9700 .0 -M * 2.8 -M * EF Blacks Fork GS 9360 .1 -M * 2.3 -M * Hams Fork 7840 .0 .5 0* 4.1 1.8 228 Hewinta 9519 .0 .4 0* 1.8 2.6 69 Hickerson Park 9145 .7 .6 117* 1.6 2.4 67 Hole-in-Rock 9150 .1 .5 20* 1.8 2.4 75 Indian Creek 9425 1.2 2.7 44 5.8 3.0 193 Kelley R.S. 8180 .4 1.0 40* 5.2 2.5 208 Spirit Lk 10235 .7 -M * 2.6 -M * Steel Creek Park 10200 .7 2.0 35 2.5 3.0 83 ----- ----- Basin Index (%) 40* 129 UPPER BEAR RIVER Bear River RS 8777 .0 -M * 2.0 -M * Bug Lake 7950 .9 1.0 90* 4.4 2.7 163 Burts Miller Ranch 8000 .0 -M * 1.3 -M * Chalk Creek #1 8993 1.0 2.2 45* 3.5 3.9 90 Hayden Fork 9212 .1 .7 14* 3.1 3.3 94 Kelley R.S. 8180 .4 1.0 40* 5.2 2.5 208 Lily Lake 9156 .0 1.0 0* 2.0 3.0 67 Monte Cristo 8960 .3 1.2 25* 4.3 3.5 123 Salt River Summit 7760 .1 .5 20* 5.7 2.2 259 ----- ----- Basin Index (%) 37* 134 ----------------------------------------------------------------------------- -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. ---------------------------------------------------------------------------- -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.