Non-Precipitation Warnings / Watches / Advisories
Issued by NWS Missoula, MT

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WWUS75 KMSO 212030
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URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
230 PM MDT Sat Oct 21 2017

MTZ007-222100-
/O.NEW.KMSO.WI.Y.0005.171022T1200Z-171023T0200Z/
Butte/Blackfoot Region-
230 PM MDT Sat Oct 21 2017

...WIND ADVISORY IN EFFECT FROM 6 AM TO 8 PM MDT SUNDAY...

The National Weather Service in Missoula has issued a Wind
Advisory...which is in effect from 6 AM to 8 PM MDT Sunday.

* Impacts/Timing: Winds will begin to increase in the morning,
  peaking between noon and 3pm. High profile vehicles may have
  difficulty due to strong cross winds, particularly along the
  I-90 corridor between Deerlodge and Anaconda. In the higher
  terrain, falling trees will be particularly hazardous in recent
  burn scars.

* Winds: Southwest to west 15 to 25 mph with gusts up to 45 mph.
  Gusts over 50 mph will be possible in the higher terrain.

* Locations impacted include: Butte, Georgetown Lake, Highway 12
  Garrison to Elliston, Homestake Pass, and MacDonald Pass

$$

MTZ003-222100-
/O.NEW.KMSO.LW.Y.0007.171022T1200Z-171023T0200Z/
Flathead/Mission Valleys-
230 PM MDT Sat Oct 21 2017

...LAKE WIND ADVISORY IN EFFECT FROM 6 AM TO 8 PM MDT SUNDAY...

The National Weather Service in Missoula has issued a Lake Wind
Advisory...which is in effect from 6 AM to 8 PM MDT Sunday.

* Impacts/Timing: Gusty winds will develop late tonight, peaking
  between 11am and 2pm Sunday. Increased chop on Flathead Lake
  will cause difficult conditions for small water craft.

* Winds: South winds around 15 mph in the morning becoming
  southwesterly 15 to 25 mph with gusts to near 40 mph possible by
  mid day.

* Wave heights: 1 to 3 feet, locally up to 4 feet on the northeast
  side of the lake.

* Locations impacted include: Flathead Lake, Flathead Valley,
  Mission Valley, and Polson

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Lake Wind Advisory indicates that winds will cause rough chop
on area lakes. Small boats will be especially prone to capsizing.

Note...The experimental wave height forecasts are representative
of the mid lake waters and downwind shores. Wave heights may be
significantly less on upwind shores.

&&

$$



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