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SYNOPSIS:

A strong weather system will continue to impact the area today through the day Friday with significant snow and wind.  Snow levels are at, or will lower to valley floors across western Wyoming over the next few hours as a cold front begins to pull through the area.  Strong to high wind, rain showers and thunderstorms along with falling temperatures are expected east of the Continental Divide, and across Sweetwater County this afternoon.  Rain in the lower elevations east of the Divide, are expected to change over to snow late this afternoon or evening.  Snow and strong wind will continue tonight into the day Friday across much of the area east of the Divide with the most impacts occurring across northern Wyoming.  Near blizzard conditions are possible across Johnson County late Thursday night and Friday.

IMPACTS:

  • Slick & snow covered roads.
  • Road closures are possible especially across northern Johnson County Thursday night and Friday.
  • Strong winds at times will create a risk for a blow over for light-weight or high-profile vehicles.
     

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Quick View of Hazards and Forecast Snow Totals (created at 11:30 AM on 4/12)
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Winter Storm Warning in effect for Northwestern WY

Winter Weather Advisories are in effect in western & north central WY

High Wind Warning in effect in portions of southern and central WY

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Forecast Snowfall
for Thursday and Friday



Snow and Wind Forecasts

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Today's Snowfall Forecast
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Today's Peak Wind Gusts
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Day 2 Snowfall Forecast
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Day 2 Peak Wind Gusts
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Day 3 Snowfall Forecast
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Day 3 Peak Wind Gusts
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Snow Totals and Wind Reports will be posted and updated here once the storm occurs
(Please double check date and time of product)

000
NOUS45 KRIW 150300
PNSRIW
WYZ001>020-022>030-151600-

Public Information Statement
National Weather Service Riverton WY
900 PM MST Sun Oct 14 2018

Here are the snowfall totals from Saturday into Sunday
morning across western and central Wyoming. This will
be the final statement on this storm.

Location                              Snowfall

Big Horn County...
 Bone Springs Divide Snotel...       13 inches.
 Shell Creek Snotel...               13 inches.
 Bald Mountain Snotel...              9 inches.
 Hyattville...                      5.5 inches.
 9 ENE Greybull...                    2 inches.
 Greybull...                          2 inches.
 Basin...                             2 inches.

Fremont County...
 8.7 SE Lander...                     9 inches.
 Townsend Creek Snotel...             7 inches.
 9 SSE Lander...                    6.5 inches.
 Hudson...                          6.5 inches.
 Lander Airport...                    6 inches.
 St. Lawrence Alt Snotel...           6 inches.
 Riverton...                   4 to 6.2 inches.
 Lander...                     5 to 5.7 inches.
 Kinnear...                         4.5 inches.
 7 SE Lander...                       4 inches.
 Deer Park Snotel...                  4 inches.
 Riverton Airport...                3.3 inches.
 Hobbs Park Snotel...                 3 inches.
 Jeffrey City...                      2 inches.
 Burroughs Creek Snotel...            2 inches.
 Castle Creek Snotel...               2 inches.
 Burris...                            2 inches.
 Little Warm Snotel...                1 inch.
 Dubois...                          0.5 inches.

Hot Springs County...
 Owl Creek Snotel...                  6 inches.
 Lucerne...                         0.7 inches.
 9 NE Thermopolis...                0.6 inches.
 Thermopolis...                     0.4 inches.

Johnson County...
 Little Goose Snotel...              11 inches.
 Hansen Sawmill Snotel...             9 inches.
 Soldier Park Snotel...               7 inches.
 Cloud Peak Reservoir Snotel...       7 inches.
 Bear Trap Meadow Snotel...           7 inches.
 4 SSW Buffalo...                   4.5 inches.
 17 NNW Kaycee...                     4 inches.
 Buffalo...                           3 inches.
 13 SSE Buffalo...                    2 inches.
 17 E Kaycee...                     1.7 inches.

Lincoln County...
 Fossil Butte...                    0.5 inches.

Natrona County...
 1 SW Casper...                     6.5 inches.
 1 S Casper...                      5.8 inches.
 Grave Springs Snotel...              5 inches.
 Casper...                            5 inches.
 Casper Mountain Snotel...            5 inches.
 4 WSW Casper...                    4.9 inches.
 12 NE Lysite...                    4.5 inches.
 5 SSW Casper...                    4.5 inches.
 Casper Airport...                  4.1 inches.
 10 WSW Casper...                     4 inches.
 Powder River...                      3 inches.
 2 E Evansville...                    3 inches.
 Reno Hill Snotel...                  2 inches.
 18 SW Casper...                      1 inch.

Park County...
 Evening Star Snotel...               8 inches.
 Beartooth Lake Snotel...             6 inches.
 Kirwin Snotel...                     5 inches.
 Marquette Snotel...                  4 inches.
 2 WSW Cody...                        4 inches.
 Blackwater Snotel...                 4 inches.
 Cody...                              3 inches.
 26 SW Cody...                        3 inches.
 Pahaska...                           3 inches.
 3 NE Sunshine...                     2 inches.
 Wolverine Snotel...                  1 inch.
 3 NE Clark...                      0.5 inches.

Sublette County...
 Triple Peak Snotel...                2 inches.
 East Rim Divide Snotel...            1 inch.
 Gunsite Pass Snotel...               1 inch.
 Pocket Creek Snotel...               1 inch.
 14 NW Pinedale...                  0.6 inches.

Sweetwater County...
 4 NNW Rock Springs...              0.5 inches.
 Green River...              0.2 to 0.5 inches.
 Rock Springs...                    0.2 inches.

Teton County...
 Grand Targhee Snotel...              3 inches.
 Grassy Lake Snotel...                2 inches.
 Togwotee Pass Snotel...              2 inches.
 Darwin Ranch...                    1.7 inches.
 Snake River Stn Snotel...            1 inch.

Washakie County...
 Middle Powder Snotel...              9 inches.
 Ten Sleep...                         6 inches.
 16 SSE Ten Sleep...                  5 inches.
 Powder River Pass Snotel...          3 inches.
 8 SW Worland...                      1 inch.
 Winchester...                      0.3 inches.

Yellowstone National Park...
 Parker Peak Snotel...                4 inches.
 Yellowstone East Entrance...         4 inches.
 Sylvan Lake Snotel...                3 inches.
 Sylvan Road Snotel...                2 inches.
 Canyon Snotel...                     1 inch.
 Two Ocean Plateau Snotel...          1 inch.
 Snake River Ranger Station...      0.1 inches.

$$

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