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

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971
WWUS75 KMSO 291942
NPWMSO

URGENT - WEATHER MESSAGE
National Weather Service Missoula MT
1242 PM MST Wed Jan 29 2025

IDZ007-311200-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/
Orofino/Grangeville Region-
1142 AM PST Wed Jan 29 2025

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY...

* WHAT...Stagnation conditions will trap pollutants, leading to
  deteriorating air quality.

* WHERE...Orofino/Grangeville Region.

* WHEN...Until 4 AM PST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

IDZ010-311200-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/
Eastern Lemhi County-
1242 PM MST Wed Jan 29 2025

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

* WHAT...Stagnation conditions will trap pollutants, leading to
  deteriorating air quality.

* WHERE...Eastern Lemhi County.

* WHEN...Until 5 AM MST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

MTZ001-311200-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/
Kootenai/Cabinet Region-
1242 PM MST Wed Jan 29 2025

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

* WHAT...Stagnation conditions will trap pollutants, leading to
  deteriorating air quality.

* WHERE...Kootenai/Cabinet Region.

* WHEN...Until 5 AM MST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

MTZ004-311200-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/
Lower Clark Fork Region-
1242 PM MST Wed Jan 29 2025

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

* WHAT...Stagnation conditions will trap pollutants, leading to
  deteriorating air quality.

* WHERE...Lower Clark Fork Region.

* WHEN...Until 5 AM MST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

MTZ005-311200-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/
Missoula/Bitterroot Valleys-
1242 PM MST Wed Jan 29 2025

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

* WHAT...Stagnation conditions will trap pollutants, leading to
  deteriorating air quality.

* WHERE...Missoula/Bitterroot Valleys.

* WHEN...Until 5 AM MST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$

MTZ043-311200-
/O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/
Potomac/Seeley Lake Region-
1242 PM MST Wed Jan 29 2025

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY...

* WHAT...Stagnation conditions will trap pollutants, leading to
  deteriorating air quality.

* WHERE...Potomac/Seeley Lake Region.

* WHEN...Until 5 AM MST Friday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons with respiratory illness should follow their physicians
advice for dealing with high levels of air pollution during periods
of stagnant air.

&&

$$