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Montana, Bitterroot/Sapphire Mountains

Winter Weather Advisory

Statement as of 3:33 AM MDT on September 21, 2017

Expires 2:00 AM EDT on September 23, 2017


... Winter Weather Advisory in effect from 9 PM this evening to
midnight MDT Friday night above 5000 feet...

* impacts/timing: snow will develop this evening and continue into
Friday evening, with accumulations possible down to 5000 feet.
Brief periods of moderate to heavy snow will be possible early
Friday morning. Expect roads to become slippery with changeable
conditions over short distances. In addition, areas of poor
visibility are expected due to the combination of falling snow
and breezy winds.

* Snow accumulations: total snow accumulations of 3 to 5 inches.
Snow amounts of 5 to 8 inches are expected in the high
elevations above 6000 feet, including over MacDonald and
Homestake passes.

* Winds: gusts as high as 30 mph will cause areas of low
visibility, especially on High Mountain passes such as Homestake
and MacDonald.

* Locations impacted include: Highway 93 Sula to Lost Trail Pass,
Butte, Georgetown Lake, Anaconda, Philipsburg, Homestake pass,
MacDonald Pass, and backcountry roads above 5000 feet.




Weather Severe Map
Alaska - Areal Flood Watch
Arizona - Wind Advisory
Arkansas - Record Report
California - Wind Advisory , High Wind Warning , Frost Advisory , Freeze Warning, Frost Advisory , Winter Weather Advisory , Air Quality Alert , Record Report
Colorado - Wind Advisory , Fire Weather Warning , Public Information Statement , Public Information Statement
Connecticut - Coastal Flood Statement
Delaware - Coastal Hazard Statement
District of Columbia - Coastal Flood Advisory
Florida - Flood Warning , Coastal Flood Advisory , Coastal Hazard Statement , Record Report
Georgia - Flood Warning , Air Quality Alert , Public Information Statement
Hawaii - Record Report
Idaho - Areal Flood Advisory , Winter Weather Advisory , Special Statement , Record Report
Illinois - Special Statement , Record Report
Indiana - Special Statement
Iowa - Flash Flood Warning , Special Statement , Record Report , Public Information Statement , Public Information Statement
Kansas - Fire Weather Warning , Special Statement , Public Information Statement
Kentucky - Special Statement
Louisiana - Storm Surge Warning, Tropical Storm Warning , Flood Warning
Maine - High Surf Advisory
Maryland - Coastal Flood Advisory , Coastal Flood Advisory , Coastal Flood Advisory, Beach Hazard Statement
Massachusetts - Tropical Storm Warning , Hurricane Statement , High Surf Advisory , Coastal Flood Advisory, High Surf Advisory , Wind Advisory
Michigan - Record Report
Minnesota - Beach Hazard Statement , Record Report , Public Information Statement
Missouri - Special Statement
Montana - Winter Weather Advisory , Winter Storm Warning
Nebraska - Fire Weather Warning
Nevada - Wind Advisory , Winter Weather Advisory , Freeze Warning
New Hampshire - High Surf Advisory
New Jersey - Coastal Hazard Statement , Coastal Flood Statement
New Mexico - Record Report
New York - Coastal Flood Advisory, Coastal Hazard Statement , Coastal Flood Statement , Coastal Flood Statement, Coastal Hazard Statement , Coastal Hazard Statement
North Carolina - Coastal Flood Advisory , Beach Hazard Statement
Ohio - Special Statement
Oregon - Freeze Warning, Frost Advisory , Record Report
Pennsylvania -
Puerto Rico - Flash Flood Warning , Flash Flood Watch
Rhode Island - Tropical Storm Warning , Hurricane Statement , High Surf Advisory , Wind Advisory
South Carolina - Public Information Statement
Tennessee - Special Statement
Texas - Tropical Storm Warning , Storm Surge Watch, Tropical Storm Warning , Flood Warning , Special Statement , Record Report
Utah - Wind Advisory , Winter Weather Advisory
Virgin Islands - Flash Flood Watch
Virginia - Coastal Flood Advisory , Coastal Flood Advisory, Beach Hazard Statement , Beach Hazard Statement
Wisconsin - Special Statement , Beach Hazard Statement , Record Report , Public Information Statement
Wyoming - Winter Weather Advisory , Fire Weather Watch , Special Statement

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