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Air Stagnation Advisory


URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1017 AM MST Thu Jan 27 2022

IDZ009-010-301800-
/O.CON.KMSO.AS.Y.0002.000000T0000Z-220130T1800Z/
Western Lemhi County-Eastern Lemhi County-
1017 AM MST Thu Jan 27 2022

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 11 AM MST
SUNDAY...

* WHAT...An extended period of stagnant air, with light winds and
  little vertical mixing, is expected.

* WHERE...Shoup, Bannock Pass, Highway 28 Tendoy to Lone Pine,
  Highway 93 Lost Trail Pass to Gibbonsville, Lemhi Pass, and
  Salmon.

* WHEN...Until 11 AM MST Sunday.

* 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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Page last modified: June 2, 2009
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