IEM VTEC Product Browser
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2025 [KMSO] MISSOULA Air Stagnation (AS) Advisory (Y) Number 1
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
901 WWUS75 KMSO 251643 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 943 AM MST Sat Jan 25 2025 IDZ007-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Orofino/Grangeville Region- 843 AM PST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Orofino/Grangeville Region. * WHEN...From 4 PM this afternoon to 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. && $$ IDZ010-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Eastern Lemhi County- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Eastern Lemhi County. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ MTZ001-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Kootenai/Cabinet Region- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Kootenai/Cabinet Region. * WHEN...From 5 PM this afternoon to 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. && $$ MTZ004-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Lower Clark Fork Region- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Lower Clark Fork Region. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ MTZ005-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Missoula/Bitterroot Valleys- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 5 PM this afternoon to 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. && $$ MTZ043-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Potomac/Seeley Lake Region- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Potomac/Seeley Lake Region. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
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. && $$ MTZ043-311200- /O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/ Potomac/Seeley Lake Region- 1242 PM MST Wed Jan 29 2025 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Potomac/Seeley Lake Region. * WHEN...Until 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
Permalink to 202501251643-KMSO-WWUS75-NPWMSO
901 WWUS75 KMSO 251643 NPWMSO URGENT - WEATHER MESSAGE National Weather Service Missoula MT 943 AM MST Sat Jan 25 2025 IDZ007-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Orofino/Grangeville Region- 843 AM PST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 4 PM THIS AFTERNOON TO 4 AM PST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Orofino/Grangeville Region. * WHEN...From 4 PM this afternoon to 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. && $$ IDZ010-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Eastern Lemhi County- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Eastern Lemhi County. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ MTZ001-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Kootenai/Cabinet Region- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Kootenai/Cabinet Region. * WHEN...From 5 PM this afternoon to 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. && $$ MTZ004-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Lower Clark Fork Region- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Lower Clark Fork Region. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ MTZ005-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Missoula/Bitterroot Valleys- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Missoula/Bitterroot Valleys. * WHEN...From 5 PM this afternoon to 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. && $$ MTZ043-311200- /O.NEW.KMSO.AS.Y.0001.250126T0000Z-250131T1200Z/ Potomac/Seeley Lake Region- 943 AM MST Sat Jan 25 2025 ...AIR STAGNATION ADVISORY IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Potomac/Seeley Lake Region. * WHEN...From 5 PM this afternoon to 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
Permalink to 202501291942-KMSO-WWUS75-NPWMSO
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. && $$ MTZ043-311200- /O.CON.KMSO.AS.Y.0001.000000T0000Z-250131T1200Z/ Potomac/Seeley Lake Region- 1242 PM MST Wed Jan 29 2025 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST FRIDAY... * WHAT...Stagnation conditions will trap pollutants, leading to deteriorating air quality. * WHERE...Potomac/Seeley Lake Region. * WHEN...Until 5 AM MST Friday. * IMPACTS...Periods of air stagnation can lead to the build up of pollutants near the surface. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
All Storm Reports within Event Political Coverage
Storm Reports within Product Polygon
This table lists other events issued by the selected office for the selected year. Click on the row to select that event.