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.
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