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

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WWUS75 KMSO 221055
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
455 AM MDT Sun Oct 22 2017

IDZ007-221800-
/O.NEW.KMSO.HW.W.0002.171022T1055Z-171022T1800Z/
Orofino/Grangeville Region-
355 AM PDT Sun Oct 22 2017

...HIGH WIND WARNING IN EFFECT UNTIL 11 AM PDT THIS MORNING FOR
THE CAMAS PRAIRIE...GRANGEVILLE AND HIGHWAY 95...

The National Weather Service in Missoula has issued a High Wind
Warning for the Camas Prairie...Grangeville and Highway 95...
which is in effect until 11 AM PDT this morning.

* Impacts/Timing: Strong wind gusts will be present through late
  this morning. Tree and infrastructure damage will be possible.
  Dangerous crosswinds will exist for area travelers.

* Winds: South 30 to 40 mph...gusting to 60 mph.

$$

MTZ007-230200-
/O.CON.KMSO.WI.Y.0005.171022T1200Z-171023T0200Z/
Butte/Blackfoot Region-
455 AM MDT Sun Oct 22 2017

...WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS EVENING...

* 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

$$

MTZ003-230200-
/O.CON.KMSO.LW.Y.0007.171022T1200Z-171023T0200Z/
Flathead/Mission Valleys-
455 AM MDT Sun Oct 22 2017

...LAKE WIND ADVISORY REMAINS IN EFFECT UNTIL 8 PM MDT THIS
EVENING...

* 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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