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Air Stagnation Advisory

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
159 PM MDT Thu Oct 29 2020

MTZ001-002-004>006-043-301800-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-201030T1800Z/
Kootenai/Cabinet Region-West Glacier Region-
Lower Clark Fork Region-Missoula/Bitterroot Valleys-
Bitterroot/Sapphire Mountains-Potomac/Seeley Lake Region-
159 PM MDT Thu Oct 29 2020

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL NOON MDT
FRIDAY...

* WHAT...Deteriorating air quality due to light winds and
  reduced vertical mixing.

* WHERE...Bitterroot/Sapphire Mountains, Missoula/Bitterroot
  Valleys, West Glacier Region, Kootenai/Cabinet Region,
  Potomac/Seeley Lake Region and Lower Clark Fork Region.

* WHEN...Until noon MDT Friday.

* IMPACTS...Periods of air stagnation can lead to the buildup of
  pollutants near the surface.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People with respiratory illness should follow their physician`s
advice for dealing with high levels of air pollution during
periods of stagnant air.

According to state air quality agencies, prolonged periods of
stagnant air can hold pollutants close to the ground where people
live and breathe. Check with your local burn agency for any
current restrictions in your area.

&&

$$




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