Final Weekend Storm Information for Western Wyoming

Final Weekend Storm Information for Western Wyoming

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Information Statement
National Weather Service Riverton WY
547 PM MST Sun Apr 09 2017

...Preliminary Storm Information...

The following are storm reports for snowfall, precipitation, and
peak winds for the 48 hour period from 6 pm Friday , April 7th until
6 pm on Sunday, April 9th.

Observations are collected from a variety of sources with varying
equipment and exposures. Not all data listed are considered
official. SnoTELs (Snow Telemetry) are remote sensing sites in high
mountain watersheds. Snowfall data from SNOTELS are estimated based
on snow water equivalent.

***** 48 Hour Snowfall Reports *****

Location                              Snowfall
Lincoln County...
 Willow Creek Snotel...              20 inches.
 Cottonwood Creek Snotel...          18 inches.
 5 SSE Smoot...                      15 inches.
 3 SE Bedford...                     14 inches.
 Blind Bull Summit Snotel...         13 inches.
 Spring Creek Divide Snotel...       13 inches.
 Commissary Ridge...                 12 inches.
 Star Valley Ranch...              11.2 inches.
 Indian Creek Snotel...              11 inches.
 Blind Bull Summit...                11 inches.
 Afton...                          10.9 inches.
 Star Valley Ranch...              10.5 inches.
 2 SE Thayne...                     9.7 inches.
 Salt River Summit Snotel...          9 inches.
 Kelley Ranger Station Snotel...      8 inches.
 Fossil Butte...                    6.5 inches.
 Hams Fork Snotel...                  5 inches.
 Box Y Ranch...                       5 inches.
 3 NNE Etna...                        3 inches.

Big Horn County...
Bald Mountain Snotel... 8 inches.
Shell Creek Snotel... 6 inches.
Bone Springs Divide Snotel... 3 inches.
Hyattville... 3 inches.

Fremont County...
Little Warm Snotel... 9 inches.
10 NW Riverton... 8 inches.
Brooks Lake... 7 inches.
Deer Park Snotel... 7 inches.
Hobbs Park Snotel... 6 inches.
Cold Springs Snotel... 4 inches.
South Pass Snotel... 3 inches.
Townsend Creek Snotel... 3 inches.
Burroughs Creek Snotel... 2 inches.
Riverton Airport... 2 inches.
9 NW Riverton... 2 inches.
Castle Creek Snotel... 2 inches.
Dubois... 1 inch.

Hot Springs County...
Owl Creek Snotel... 7 inches.

Johnson County...
Soldier Park Snotel... 11 inches.
Cloud Peak Reservoir Snotel... 11 inches.
Little Goose Snotel... 10 inches.
Hansen Sawmill Snotel... 7 inches.
Bear Trap Meadow Snotel... 6 inches.
13 SSE Buffalo... 4 inches.

Natrona County...
Grave Spring Snotel... 6 inches.
Reno Hill Snotel... 1 inch.
Casper Mountain Snotel... 1 inch.

Park County...
Kirwin Snotel... 6 inches.
Blackwater Snotel... 5 inches.
Younts Peak Snotel... 5 inches.
Marquette Snotel... 4 inches.
Beartooth Lake Snotel... 4 inches.
Evening Star Snotel... 4 inches.
5 ESE Cody... 2.5 inches.
Timber Creek Snotel... 2 inches.
1 ENE Wapiti... 2 inches.
Wolverine Snotel... 2 inches.
Cody... 1.2 inches.
Powell... 1 inch.
4 SE Cody... 0.9 inches.
Pahaska... 0.6 inches.

Sublette County...
Triple Peak Snotel... 17 inches.
Gunsite Pass Snotel... 15 inches.
New Fork Lake Snotel... 7 inches.
Snider Basin Snotel... 7 inches.
Elkhart Park G.S. Snotel... 7 inches.
Loomis Park Snotel... 7 inches.
East Rim Divide Snotel... 6 inches.
14 NW Pinedale... 5.3 inches.
Pinedale... 5.1 inches.
Daniel Fish Hatchery... 3.4 inches.
Kendall Ranger Station Snotel... 3 inches.
13 NE Big Piney... 2.5 inches.
Big Sandy Opening Snotel... 2 inches.
Larsen Creek Snotel... 2 inches.
Boulder Rearing Station... 1 inch.

Sweetwater County...
5 N Farson... 2.5 inches.
Rock Springs... 1 inch.
Green River... 1 inch.

Teton County...
Grand Targhee Snotel... 22 inches.
Grand Targhee - Chief Joseph... 20 inches.
Jackson Hole - Rendezvous Bowl... 17 inches.
Togwotee Pass Snotel... 12 inches.
Jackson Hole - Raymer... 11 inches.
Jackson Hole - Mid Mountain... 11 inches.
Grassy Lake Snotel... 10 inches.
Togwotee Mountain Lodge... 8 inches.
Phillips Bench Snotel... 8 inches.
Base Camp Snotel... 7 inches.
Darwin Ranch... 6.2 inches.
3 SSW Wilson... 4.5 inches.
Jackson Hole - Base... 3 inches.
Snake River Stn Snotel... 3 inches.
Granite Creek Snotel... 3 inches.
12 NE Jackson... 2 inches.
1 NNW Alta... 2 inches.
Jackson Dam... 1.1 inches.
Moose... 0.4 inches.

Washakie County...
Middle Powder Snotel... 4 inches.
Powder River Pass Snotel... 3 inches.

Yellowstone National Park...
Lewis Lake Divide Snotel... 9 inches.
Parker Peak Snotel... 7 inches.
Sylvan Lake Snotel... 6 inches.
Canyon Snotel... 5 inches.
Sylvan Road Snotel... 3 inches.
Thumb Divide Snotel... 3 inches.

***** 48 Hour Precipitation Reports *****

Location Amount Time/Date Elevation (ft.)

...Star Valley...
Bedford - Coop               2.03 in   0700 AM 04/09   6425
3 NW Etna                    1.47 in   0430 PM 04/09   5676
Afton - Coop                 1.43 in   0800 AM 04/09   6245
Star Valley Ranch            1.40 in   1000 AM 04/09   6253
1 NW Afton                   1.31 in   0400 PM 04/09   6211
2 SE Thayne                  1.30 in   0700 AM 04/09   6086
Afton                        1.26 in   0442 PM 04/09   6267
5 NNE Thayne                 1.17 in   0700 AM 04/09   6377
1 S Bedford                  1.02 in   0432 PM 04/09   6279
Etna                         1.01 in   0439 PM 04/09   5823
3 NW Etna                    0.96 in   0439 PM 04/09   5692
Thayne                       0.62 in   0430 PM 04/09   5928
4 NE Thayne                  0.49 in   0443 PM 04/09   6217

...Yellowstone National Park...
South Entrance Ynp 0.88 in 0345 PM 04/09 6900
4 W South Entrance Ynp 0.85 in 0345 PM 04/09 7040
1 SW Canyon 0.59 in 0349 PM 04/09 7900
15 WSW Mammoth 0.54 in 0349 PM 04/09 7900
Lake Village 0.45 in 0400 PM 04/09 7875
Mammoth 0.42 in 0415 PM 04/09 6300
Lake Yellowstone 0.38 in 0556 AM 04/09 7835
Gardner River Nr Mammoth, Ye 0.25 in 0445 PM 04/09 5624
14 S Sylvan Pass 0.22 in 0408 PM 04/09 8650
9 E Tower Junction 0.21 in 0400 PM 04/09 7266
Tower Falls 0.21 in 0415 PM 04/09 6266

...Wind River Mountains West...
19 WSW Dubois 0.65 in 0410 PM 04/09 8833
Atlantic City - Coop 0.32 in 0813 AM 04/09 7714
7 NE Pinedale 0.26 in 0426 PM 04/09 8530
Boulder Lake 0.18 in 0400 PM 04/09 7350

...Wind River Mountains East...
9 SW Lander 0.31 in 0400 PM 04/09 7085
10 W Dubois 0.28 in 0311 PM 04/09 8432
10 W Fort Washakie 0.17 in 0401 PM 04/09 9235

...Wind River Basin...
Boysen Reservoir 0.30 in 0430 PM 04/09 4710
N. Fork Little Wind River 0.13 in 0345 PM 04/09 6120

...Upper Wind River Basin...
6 NW Dubois 0.32 in 0415 PM 04/09 7189
11 W Crowheart 0.16 in 0345 PM 04/09 6520

...Upper Green River Basin...
5 SSE La Barge 0.61 in 0400 PM 04/09 6530
Farson 0.25 in 0447 PM 04/09 6657
Big Piney Airport 0.21 in 0553 AM 04/09 6974
1 S Fontenelle Reservoir 0.16 in 0400 PM 04/09 6390

...Upper Green River Basin Foothills...
Bondurant 0.40 in 0400 PM 04/09 6650
2 NW Bondurant 0.38 in 0351 PM 04/09 6726
Pinedale 0.29 in 0400 PM 04/09 7310
14 NW Pinedale 0.25 in 0715 AM 04/09 7469
Boulder Rearing Station - Co 0.15 in 0800 AM 04/09 6940

...Teton and Gros Ventre Mountains...
17 N Alta 0.95 in 0403 PM 04/09 6830
Alta 0.64 in 0345 PM 04/09 6430

...Southwest Big Horn Basin...
Kirby 0.43 in 0443 PM 04/09 4350

...Southeast Johnson County...
10 SW Kaycee 0.68 in 0400 PM 04/09 4900
2 NW Mayoworth 0.51 in 0438 PM 04/09 5404
17 E Kaycee 0.44 in 0415 PM 04/09 4362
3 SSE Barnum 0.12 in 0400 PM 04/09 5075

...Southeast Big Horn Basin...
1 SE Ten Sleep 0.62 in 0430 PM 04/09 4419
10 SSE Worland 0.47 in 0417 PM 04/09 4520
Ten Sleep 0.35 in 0431 PM 04/09 4470

...South Lincoln County...
Fossil Butte 0.64 in 0400 PM 04/09 6780
Cokeville 0.50 in 0436 PM 04/09 6191
Kemmerer 0.33 in 0400 PM 04/09 6980

...Salt River and Wyoming Ranges...
Smiths Fork Near Border 0.69 in 0430 PM 04/09 6650
15 NE Cokeville 0.63 in 0400 PM 04/09 8470
21 W Big Piney 0.49 in 0409 PM 04/09 8200

...Rock Springs and Green River...
Green River 0.23 in 0230 PM 04/09 6060
Rock Springs 0.18 in 0600 AM 04/09 6269

...Owl Creek and Bridger Mountains...
10 S Meeteetse 0.13 in 0442 PM 04/09 7127

...Northeast Johnson County...
13 SSE Buffalo 0.61 in 0225 PM 04/09
7 NE Buffalo 0.26 in 0229 PM 04/09 4370
8 S Story 0.23 in 0415 PM 04/09 5279
15 ESE Buffalo 0.15 in 0700 AM 04/09

...North Big Horn Basin...
4 ENE Powell 0.47 in 0700 AM 04/09 4288
Powell 0.43 in 0430 PM 04/09 4386
Basin 0.35 in 0415 PM 04/09 3821
Basin 0.32 in 0431 PM 04/09 3884
Lovell 0.30 in 0444 PM 04/09 3830
11 ESE Lovell 0.30 in 0415 PM 04/09 3660
2 SSW Lovell 0.28 in 0700 AM 04/09 3958
Lovell 0.27 in 0700 AM 04/09 3848

...Natrona County Lower Elevations...
Powder River 0.50 in 0800 AM 04/09 5695

...Lander Foothills...
Middle Fork Popo Agie River 0.38 in 0415 PM 04/09 6555
6 SW Lander 0.34 in 0700 AM 04/09 6088

...Jackson Hole...
5 S Of South Entrance Ynp 0.81 in 0345 PM 04/09 7020
3 SSW Wilson 0.76 in 0800 AM 04/09 7010
2 NE Wilson 0.58 in 0441 PM 04/09 6184
Hoback Junction 0.57 in 0449 PM 04/09 5928
7 E Moran Jct 0.55 in 0352 PM 04/09 7251
4 N Moose 0.46 in 0358 PM 04/09 6730
Jackson Hole Airport 0.43 in 0555 AM 04/09 6445
Jackson 0.42 in 0345 PM 04/09 6240
Jackson 0.40 in 0435 PM 04/09 6247
Snake River At Jackson Lake 0.34 in 0345 PM 04/09 6779
Kelly 0.28 in 1112 AM 04/09 6653

...Green Mountains and Rattlesnake Range...
Jeffrey City 0.12 in 0439 PM 04/09 6374
7 SW Muddy Gap 0.11 in 0350 PM 04/09 7380

...Flaming Gorge...
3 NE Manila Ut 0.12 in 0415 PM 04/09 6060

...East Sweetwater County...
4 NE Bitter Creek 0.12 in 0400 PM 04/09 6720

...Cody Foothills...
3 NE Clark 0.48 in 0800 AM 04/09 4090
Cody 0.28 in 0800 AM 04/09 5050

...Bighorn Mountains West...
15 SSW Big Trails 0.34 in 0440 PM 04/09 6554
5 ENE Hyattville 0.18 in 0352 PM 04/09 5670
12 ENE Ten Sleep 0.15 in 0414 PM 04/09 8202
30 E Greybull 0.11 in 1058 AM 04/09 8898

...Bighorn Mountains Southeast...
7 NW Mayoworth 0.55 in 0400 PM 04/09 5720
14 W Buffalo 0.22 in 0415 PM 04/09 8400
16 SE Big Trails 0.16 in 0400 PM 04/09 7220
7 SW Barnum 0.16 in 0446 PM 04/09 6440
18 NW Buffalo 0.14 in 0347 PM 04/09 8604
20 NW Mayoworth 0.12 in 0400 PM 04/09 8180

...Absaroka Mountains...
NE Entrance Yellowstone 0.43 in 0445 PM 04/09 7360
Pahaska 0.39 in 0700 AM 04/09 6696
3 E Pahaska 0.19 in 0357 PM 04/09 7500
14 ENE Dubois 0.16 in 0400 PM 04/09 7365
10 WNW Cody 0.13 in 0440 PM 04/09 8401
10 N Dubois 0.12 in 0357 PM 04/09 8085

***** 48 Hour Peak Wind Reports *****

Location Speed Time/Date Elevation (ft.)

...Wyoming...

...Big Horn County...
Greybull Airport 56 MPH 0850 AM 04/09 3935
Cowley Airport 46 MPH 0715 AM 04/09 4090

...Fremont County...
7 SW Muddy Gap 68 MPH 0950 AM 04/09 7380
Red Canyon 66 MPH 1235 AM 04/08 6768
3 NNW Hudson 54 MPH 1246 AM 04/08 5555
Crowheart 49 MPH 1240 PM 04/09 6099
7 NW Lander 47 MPH 0733 PM 04/08 5797
8 W South Pass City 46 MPH 0850 AM 04/09 8120
Jeffrey City 46 MPH 1100 PM 04/07 6374
Riverton Airport 44 MPH 1045 AM 04/09 5525
Dubois Airport 43 MPH 0315 PM 04/09 7297
2 W South Pass City 42 MPH 0146 PM 04/09 8185
10 W Fort Washakie 41 MPH 0401 PM 04/07 9235

...Hot Springs County...
Boysen Peak 52 MPH 0715 PM 04/07 7300
Thermopolis 41 MPH 0606 PM 04/07 4426

...Johnson County...
18 NW Buffalo 67 MPH 0747 PM 04/07 8604
7 SW Barnum 58 MPH 0346 PM 04/09 6440
25 ESE Buffalo 58 MPH 0315 PM 04/09 4657
7 NE Buffalo 55 MPH 1247 PM 04/09 4370
Buffalo Airport 52 MPH 0210 PM 04/09 4970
5 ESE Story 45 MPH 0111 PM 04/09 4673

...Lincoln County...
Mt Coffin 52 MPH 0600 PM 04/07 10870
Deadman Mtn 40 MPH 0600 PM 04/07 10350

...Natrona County...
Casper Outer Drive 58 MPH 1121 AM 04/09 5463
16 S Hiland 57 MPH 1210 AM 04/08 6380
Casper Airport 52 MPH 1053 AM 04/09 5320
2 SE Hiland 48 MPH 0426 PM 04/07 6134
20 N Casper 48 MPH 0455 PM 04/07 5677
7 W Alcova 47 MPH 0245 PM 04/09 6342
Natrona 47 MPH 0300 PM 04/09 5589
3 WSW Mills 43 MPH 1210 PM 04/09 5197
8 S Casper 42 MPH 0252 PM 04/08 7740

...Park County...
Chief Joseph Hwy 67 MPH 0505 PM 04/07 8136
5 WNW Clark 62 MPH 0935 PM 04/07 4659
10 WNW Cody 52 MPH 0340 PM 04/07 8401
Powell Airport 49 MPH 0915 AM 04/09 5050
2 WSW Cody 46 MPH 0510 PM 04/07 5167
8 N Meeteetse 46 MPH 1236 PM 04/09 5926
Powell 45 MPH 0515 PM 04/07 4386
20 SW Cody 45 MPH 0524 PM 04/08 5843
Cody Airport 44 MPH 0443 PM 04/07 5100
Hoyt Peak 44 MPH 0730 PM 04/07 9800
8 S Clark 43 MPH 1130 AM 04/09 4710
2 N Frannie 43 MPH 0143 PM 04/09 4275
1 W Clark 43 MPH 0914 PM 04/07 4270

...Sublette County...
Big Piney Airport 44 MPH 0804 PM 04/07 6974
8 SE Bondurant 43 MPH 0931 AM 04/09 7797
Pinedale Airport 40 MPH 1255 PM 04/09 7085

...Sweetwater County...
I 80 - Mile Marker 184 48 MPH 0346 PM 04/09 7112
Rock Springs Airport 46 MPH 0222 PM 04/09 6760
1 NNE Green River 45 MPH 1242 PM 04/09 6315
I 80 - Mile Marker 157 43 MPH 0220 PM 04/09 6965
7 WNW Green River 41 MPH 0212 PM 04/09 6387
5 E Rock Springs 41 MPH 0400 PM 04/09 6369
7 WSW Rock Springs 41 MPH 0345 PM 04/09 6238
8 E Rock Springs 40 MPH 0200 PM 04/09 6339

...Teton County...
1 W Grant Village 69 MPH 0840 PM 04/07 7874
5 ENE Alta - Freds Mtn 61 MPH 0330 PM 04/07 9840
Summit - Jackson Resort 49 MPH 0815 AM 04/09 10318

...Washakie County...
10 SSE Worland 47 MPH 0517 PM 04/07 4520
Worland Airport 44 MPH 0507 PM 04/07 4245
15 SSW Big Trails 43 MPH 0240 PM 04/09 6554


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