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: FEBRUARY 2 , 2016 ------------------------------------------------------------------------------ BASIN ELEV. SNOW WATER EQUIVALENT TOTAL PRECIPITATION Data Site Name (Ft) % % Current Median Median Current Average Avg ------------------------------------------------------------------------------ WYOMING SNAKE RIVER Base Camp 7030 10.9 10.9 100 14.4 14.2 101 Black Bear 8170 21.2 23.4 91 23.8 25.2 94 Blind Bull Sum 8650 14.2 14.0 101 9.8 13.0 75 Cottonwood Creek 7670 12.9 13.1 98 15.3 16.1 95 East Rim Divide 7930 6.2 6.8 91 7.0 7.8 90 Grand Targhee 9260 27.6 23.7 116 21.4 20.8 103 Granite Creek 6770 9.6 10.7 90 11.8 13.8 86 Grassy Lake 7265 21.0 20.5 102 25.4 24.3 105 Gros Ventre Summit 8750 6.9 8.5 81 6.8 8.3 82 Gunsight Pass 9820 7.6 8.3 92 8.7 8.9 98 Lewis Lake Divide 7850 20.1 20.1 100 23.0 23.4 98 Phillips Bench 8200 14.4 16.0 90 17.7 18.4 96 Salt River Summit 7760 7.0 7.9 89 8.9 10.8 82 Snake River Station 6920 11.5 11.0 105 16.7 15.7 106 Spring Creek Divide 9000 14.4 14.6 99 13.9 15.6 89 Thumb Divide 7980 8.4 9.6 88 10.3 12.3 84 Togwotee Pass 9580 13.3 15.1 88 15.8 16.0 99 Two Ocean Plateau 9240 16.3 17.8 92 16.2 17.5 93 Willow Creek 8380 16.5 17.3 95 19.9 21.9 91 Younts Peak 8350 7.0 9.7 72 7.4 10.6 70 ----- ----- Basin Index (%) 96 94 MADISON-GALLATIN Black Bear 8170 21.2 23.4 91 23.8 25.2 94 Canyon 7870 7.7 8.2 94 9.7 10.9 89 Madison Plateau 7750 13.7 14.1 97 15.0 17.5 86 West Yellowstone 6700 8.0 7.0 114 10.0 9.8 102 Whiskey Creek 6800 8.9 9.6 93 11.0 13.4 82 ----- ----- Basin Index (%) 96 90 YELLOWSTONE Beartooth Lake 9360 10.9 14.0 78 11.5 13.0 88 Burnt Mtn 5880 2.7 2.4 112 7.1 7.9 90 Canyon 7870 7.7 8.2 94 9.7 10.9 89 Cole Creek 7850 4.6 8.4 55 6.1 7.7 79 Evening Star 9200 15.7 16.5 95 18.2 18.1 101 Fisher Creek 9100 18.3 20.8 88 17.1 21.0 81 Northeast Entrance 7350 5.4 6.5 83 8.3 8.4 99 Parker Peak 9400 12.4 13.2 94 13.7 11.5 119 Sylvan Lake 8420 11.0 13.1 84 15.3 15.0 102 Thumb Divide 7980 8.4 9.6 88 10.3 12.3 84 Two Ocean Plateau 9240 16.3 17.8 92 16.2 17.5 93 White Mill 8700 14.5 14.8 98 14.3 15.6 92 Wolverine 7650 8.4 7.1 118 9.0 8.3 108 ----- ----- Basin Index (%) 89 94 WIND RIVER Burroughs Creek 8750 7.2 -M * 8.6 -M * Castle Creek 8400 3.0 -M * 4.4 -M * Cold Springs 9630 4.1 4.6 89 4.9 6.2 79 Deer Park 9700 7.2 9.4 77 7.2 12.4 58 Hobbs Park 10100 6.3 8.0 79 5.9 7.8 76 Kirwin 9550 5.4 5.9 92 6.6 7.3 90 Little Warm 9370 5.4 6.4 84 6.9 8.2 84 Owl Creek 8975 2.0 3.1 65 2.7 3.6 75 South Pass 9040 6.0 9.1 66 4.9 11.1 44 St. Lawrence Alt 8620 2.2 4.2 52 3.5 5.4 65 Togwotee Pass 9580 13.3 15.1 88 15.8 16.0 99 Townsend Creek 8700 3.7 5.3 70 4.8 7.2 67 ----- ----- Basin Index (%) 78 74 BIGHORN BASIN Bald Mtn. 9380 7.1 10.9 65 6.4 10.8 59 Bear Trap Meadow 8200 3.4 3.4 100 3.2 5.2 62 Bone Springs Div 9350 6.1 9.9 62 5.4 9.7 56 Grave Springs 8550 3.3 4.9 67 2.8 6.5 43 Kirwin 9550 5.4 5.9 92 6.6 7.3 90 Marquette 8760 2.9 -M * 6.3 -M * Middle Powder 7760 4.7 6.4 73 2.4 7.4 32 Owl Creek 8975 2.0 3.1 65 2.7 3.6 75 Powder River Pass 9480 3.8 6.6 58 3.4 7.9 43 Shell Creek 9580 5.3 9.2 58 5.0 9.0 56 Timber Creek 7950 2.6 2.9 90 6.2 4.5 138 ----- ----- Basin Index (%) 69 61 SHOSHONE RIVER Blackwater 9780 13.2 14.8 89 14.9 13.4 111 Evening Star 9200 15.7 16.5 95 18.2 18.1 101 Marquette 8760 2.9 -M * 6.3 -M * Sylvan Road 7120 6.4 7.9 81 10.9 12.0 91 Younts Peak 8350 7.0 9.7 72 7.4 10.6 70 ----- ----- Basin Index (%) 87 95 POWDER RIVER Bear Trap Meadow 8200 3.4 3.4 100 3.2 5.2 62 Cloud Peak Reservoir 9860 4.2 8.4 50 -M 8.0 * Grave Springs 8550 3.3 4.9 67 2.8 6.5 43 Hansen Sawmill 8360 3.0 4.0 75 3.4 5.1 67 Middle Powder 7760 4.7 6.4 73 2.4 7.4 32 Powder River Pass 9480 3.8 6.6 58 3.4 7.9 43 Soldier Park 8720 1.4 -M * 3.2 -M * ----- ----- Basin Index (%) 66 47 TONGUE RIVER Big Goose 7990 2.5 4.9 51 3.1 6.6 47 Bone Springs Div 9350 6.1 9.9 62 5.4 9.7 56 Burgess Junction 7880 3.7 6.7 55 4.6 7.6 61 Dome Lake 8880 2.4 6.9 35 3.6 8.4 43 Little Goose 8870 3.2 -M * 4.2 -M * Sucker Creek 8880 4.2 7.1 59 4.3 8.8 49 Tie Creek 6870 1.4 3.4 41 3.5 7.2 49 ----- ----- Basin Index (%) 52 51 BELLE FOURCHE Cole Canyon 5910 3.1 3.2 97 5.0 5.7 88 ----- ----- Basin Index (%) 97 88 CHEYENNE RIVER BASIN Blind Park 6890 3.3 4.7 70 4.7 7.8 60 North Rapid Creek 6130 3.9 4.3 91 4.3 6.3 68 ----- ----- Basin Index (%) 80 64 UPPER N. PLATTE Arapaho Ridge 10960 15.4 13.3 116 16.1 14.2 113 Blackhall Mtn 9820 19.2 -M * 19.6 -M * Columbine 9160 15.0 14.8 101 15.5 16.5 94 Divide Peak 8880 12.9 12.4 104 15.6 13.7 114 Joe Wright 10120 10.6 13.0 82 16.1 16.2 99 Laprele Creek 8375 6.1 5.4 113 7.2 7.5 96 Med Bow 10500 21.5 -M * 19.8 -M * North French Creek 10130 16.6 16.1 103 16.8 17.0 99 Never Summer 10280 11.5 12.7 91 11.1 -M * Old Battle 10000 18.6 19.2 97 17.4 22.6 77 Rawah 9020 8.9 6.3 141 11.9 9.1 131 Sage Creek Basin 7850 10.6 8.5 125 8.9 10.0 89 Sand Lake 10050 16.7 16.6 101 16.2 15.2 107 South Brush Creek 8440 7.5 7.4 101 8.3 9.6 86 Tower 10500 23.3 27.8 84 22.4 25.7 87 Webber Springs 9250 14.0 13.9 101 16.0 17.1 94 Willow Creek Pass 9540 10.0 7.7 130 10.3 8.4 123 Zirkel 9340 16.6 18.7 89 18.8 19.2 98 ----- ----- Basin Index (%) 100 98 SWEETWATER Deer Park 9700 7.2 9.4 77 7.2 12.4 58 Larsen Creek 9000 3.9 7.4 53 7.0 -M * South Pass 9040 6.0 9.1 66 4.9 11.1 44 ----- ----- Basin Index (%) 66 51 LOWER N. PLATTE Casper Mtn. 7900 8.4 7.6 111 8.6 9.1 95 Laprele Creek 8375 6.1 5.4 113 7.2 7.5 96 Reno Hill 8400 9.1 7.7 118 11.2 8.9 126 Windy Peak 7900 5.9 4.2 140 6.8 6.4 106 ----- ----- Basin Index (%) 118 106 LARAMIE RIVER Brooklyn Lake 10240 14.1 12.0 118 13.8 13.0 106 Cinnabar Park 9574 13.1 13.3 98 15.0 16.1 93 Crow Creek 8330 5.7 5.7 100 9.1 6.4 142 Deadman Hill 10220 11.5 10.2 113 11.2 10.3 109 Rawah 9020 8.9 6.3 141 11.9 9.1 131 Roach 9700 10.9 10.0 109 12.4 11.9 104 ----- ----- Basin Index (%) 112 110 S. PLATTE Black Mountain 8920 8.3 -M * 11.0 -M * Crow Creek 8330 5.7 5.7 100 9.1 6.4 142 Deadman Hill 10220 11.5 10.2 113 11.2 10.3 109 ----- ----- Basin Index (%) 108 122 LITTLE SNAKE RIVER Battle Mountain 7440 9.5 7.1 134 10.7 9.7 110 Divide Peak 8880 12.9 12.4 104 15.6 13.7 114 Elk River 8700 11.7 11.4 103 12.8 12.8 100 Little Snake River 8915 15.0 15.7 96 20.8 20.9 100 Old Battle 10000 18.6 19.2 97 17.4 22.6 77 Sage Creek Basin 7850 10.6 8.5 125 8.9 10.0 89 Sandstone RS 8150 9.1 8.1 112 8.6 12.1 71 Whiskey Park 8950 16.8 16.2 104 17.7 18.0 98 ----- ----- Basin Index (%) 106 94 UPPER GREEN RIVER Big Sandy Opening 9080 5.6 8.3 67 6.4 8.4 76 Blind Bull Sum 8650 14.2 14.0 101 9.8 13.0 75 East Rim Divide 7930 6.2 6.8 91 7.0 7.8 90 Elkhart Park G.S. 9400 5.2 7.5 69 7.8 8.6 91 Gros Ventre Summit 8750 6.9 8.5 81 6.8 8.3 82 Gunsight Pass 9820 7.6 8.3 92 8.7 8.9 98 Kendall R.S. 7740 7.0 7.8 90 8.6 9.4 91 Loomis Park 8240 8.5 9.6 89 10.6 11.4 93 New Fork Lake 8340 6.3 6.8 93 7.4 7.1 104 Pocket Creek 9360 4.6 -M * 5.9 -M * Snider Basin 8060 8.0 7.6 105 7.8 9.3 84 Spring Creek Divide 9000 14.4 14.6 99 13.9 15.6 89 Triple Peak 8500 13.2 13.5 98 15.1 16.2 93 ----- ----- Basin Index (%) 91 89 LOWER GREEN RIVER Blacks Fork Jct 8870 8.3 -M * 9.3 -M * Buck Pasture 9700 8.3 -M * 10.7 -M * EF Blacks Fork GS 9360 6.0 -M * 7.4 -M * Hams Fork 7840 7.0 7.2 97 5.7 7.3 78 Hewinta 9519 7.2 5.8 124 10.9 8.7 125 Hickerson Park 9145 7.1 3.8 187 7.3 6.2 118 Hole-in-Rock 9150 5.9 4.0 148 8.0 5.8 138 Indian Creek 9425 12.7 14.7 86 10.3 14.2 73 Kelley R.S. 8180 8.5 9.1 93 9.7 11.7 83 Spirit Lk 10235 7.7 -M * 10.2 -M * Steel Creek Park 10200 10.4 8.8 118 12.6 10.0 126 ----- ----- Basin Index (%) 110 101 UPPER BEAR RIVER Bear River RS 8777 7.1 -M * 8.7 -M * Bug Lake 7950 12.5 11.0 114 12.5 12.6 99 Burts Miller Ranch 8000 4.9 -M * 4.1 -M * Chalk Creek #1 8993 13.9 13.4 104 14.3 15.8 91 Hayden Fork 9212 9.6 8.7 110 14.1 13.2 107 Kelley R.S. 8180 8.5 9.1 93 9.7 11.7 83 Lily Lake 9156 8.7 7.4 118 10.7 10.8 99 Monte Cristo 8960 16.9 16.0 106 17.4 16.5 105 Salt River Summit 7760 7.0 7.9 89 8.9 10.8 82 ----- ----- Basin Index (%) 105 96 ----------------------------------------------------------------------------- -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.