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Montana, Central and Southern Lewis and Clark

Winter Weather Advisory

Statement as of 3:14 AM MDT on September 21, 2017

Expires 2:00 AM EDT on September 23, 2017


... Winter Weather Advisory in effect from 6 PM this evening to
midnight MDT Friday night for elevations above 4500 feet...

The National Weather Service in Great Falls has issued a Winter
Weather Advisory for elevations above 4500 feet for periods of
moderate snow, which is in effect from 6 PM this evening to
midnight MDT Friday night.

* Locations: locations above 4500 feet including MacDonald,
Homestake, Kings Hill, and other mountain passes.

* Timing: rain to start this evening, changing to snow around
midnight, then continuing as snow through Friday morning. Areas
of snow and rain then will continue through the remainder of
Friday.

* Accumulations: snow accumulation of 1 to 4 inches with up to 6
inches possible above 5000 feet.

* Winds: north 10 to 20 mph with gusts up to 30 mph.

* Visibilities: below a mile at times in the heavier snow and
wind.

* Snow level: 6000 feet lowering to 4500 feet.

* Impacts: the heavy snow will make mountain roads and passes
difficult to travel and may produce widespread power outages due
to the weight of the snow on tree limbs and power lines. Those
with outdoor interests should plan for the return of winter
conditions.

* Web page: to see a graphical representation of this hazard,
please visit our web Page and mouse over the current hazards
menu, then select detailed hazards.

Precautionary/preparedness actions...

A Winter Weather Advisory for snow means that periods of snow
will cause primarily travel difficulties. Be prepared for snow
covered roads and limited visibilities, and use caution while
driving.

For specific Road and travel conditions in Montana, dial 5 1 1 .





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 , Air Quality Alert , Record Report
Colorado - Wind Advisory , Fire Weather Warning , 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 - Flash Flood Warning , Record Report
Indiana - Special Statement
Iowa - Severe Thunderstorm Warning , Severe Thunderstorm Warning , Flash Flood Warning , Record Report
Kansas - Fire Weather Warning
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
Missouri -
Montana - Winter Weather Advisory , Winter Storm Warning , Record Report
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 , Record Report
Utah - Wind Advisory , Winter Weather Advisory
Virgin Islands - Flash Flood Watch, Areal Flood Advisory , Flash Flood Watch
Virginia - Coastal Flood Advisory , Coastal Flood Advisory, Beach Hazard Statement , Beach Hazard Statement
Wisconsin - Dense Fog Advisory , Special Statement , Beach Hazard Statement , Record Report
Wyoming - Fire Weather Watch , Special Statement

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