2 products issued by NWS for: 2 Miles NW Portland International Airport OR
Air Stagnation Advisory
URGENT - WEATHER MESSAGE National Weather Service Portland OR 406 AM PST Tue Jan 13 2026 ORZ109>111-114-115-WAZ205-206-131915- /O.CON.KPQR.AS.Y.0001.000000T0000Z-260116T1200Z/ /O.CON.KPQR.FG.Y.0002.000000T0000Z-260113T1900Z/ Tualatin Valley-Portland West Hills and Chehalem Mountain-Inner Portland Metro-West Central Willamette Valley-East Central Willamette Valley-North Clark County Lowlands-Inner Vancouver Metro- Including the cities of McMinnville, Silverton, Sherwood, Proebstel, Wilshire Park, Salem, Eagle Creek, Oregon City, Sellwood, Wilsonville, Hillsboro, Vancouver Downtown, Forest Grove, Happy Valley, Sylvan Hill, Portland, Swan Island, Beaverton, Sylvan, Clark County Fairgrounds, Sifton, The Oregon Zoo, Newberg, Farmington, Dallas, Sheridan, Vancouver, Chehalem Mountain, Tualatin, Portland Downtown, Woodburn, Skyline Drive, Lake Oswego, Battle Ground, Tigard, Lloyd Center, Stayton, Salmon Creek, Evergreen, Orchards, Keizer, Rockcreek, Monmouth, Molalla, Brush Prairie, La Center, West Salem, Aloha, Hockinson, and Ridgefield 406 AM PST Tue Jan 13 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. For the Dense Fog Advisory, visibility one quarter mile or less in areas of dense fog. * WHERE...Central Willamette Valley, Tualatin Valley, Portland West Hills and Chehalem Mountain, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For the Dense Fog Advisory, until 11 AM PST this morning. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. 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. People with respiratory illness should follow their physician`s advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions. && $$
Dense Fog Advisory
URGENT - WEATHER MESSAGE National Weather Service Portland OR 406 AM PST Tue Jan 13 2026 ORZ109>111-114-115-WAZ205-206-131915- /O.CON.KPQR.AS.Y.0001.000000T0000Z-260116T1200Z/ /O.CON.KPQR.FG.Y.0002.000000T0000Z-260113T1900Z/ Tualatin Valley-Portland West Hills and Chehalem Mountain-Inner Portland Metro-West Central Willamette Valley-East Central Willamette Valley-North Clark County Lowlands-Inner Vancouver Metro- Including the cities of McMinnville, Silverton, Sherwood, Proebstel, Wilshire Park, Salem, Eagle Creek, Oregon City, Sellwood, Wilsonville, Hillsboro, Vancouver Downtown, Forest Grove, Happy Valley, Sylvan Hill, Portland, Swan Island, Beaverton, Sylvan, Clark County Fairgrounds, Sifton, The Oregon Zoo, Newberg, Farmington, Dallas, Sheridan, Vancouver, Chehalem Mountain, Tualatin, Portland Downtown, Woodburn, Skyline Drive, Lake Oswego, Battle Ground, Tigard, Lloyd Center, Stayton, Salmon Creek, Evergreen, Orchards, Keizer, Rockcreek, Monmouth, Molalla, Brush Prairie, La Center, West Salem, Aloha, Hockinson, and Ridgefield 406 AM PST Tue Jan 13 2026 ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS MORNING... * WHAT...For the Air Stagnation Advisory, light winds and limited air movement will lead to a period of stagnant air conditions. For the Dense Fog Advisory, visibility one quarter mile or less in areas of dense fog. * WHERE...Central Willamette Valley, Tualatin Valley, Portland West Hills and Chehalem Mountain, Inner Portland Metro, North Clark County Lowlands, and Inner Vancouver Metro. * WHEN...For the Air Stagnation Advisory, until 4 AM PST Friday. For the Dense Fog Advisory, until 11 AM PST this morning. * IMPACTS...Deteriorating air quality may cause issues for people with respiratory problems. Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... State air quality agencies highly recommend that no outdoor burning occur and that residential wood burning devices be limited as much as possible. 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. People with respiratory illness should follow their physician`s advice for dealing with high levels of air pollution during periods of stagnant air, especially if an Air Quality Alert is in effect for your area. To see if an Air Quality Alert is in effect for your area, go to www.weather.gov/pqr and left-click your location on the homepage map display. Alternatively, you could also type your location into the search bar found on the top-left hand side of the homepage. From there, you will see an Air Quality Alert listed at the top if one is in effect for your location; you can click the alert to read more details if applicable. If driving, slow down and leave plenty of distance ahead of you. Pedestrians and cyclists should wear bright or reflective clothing to increase the chances of being seen by others in poor visibility conditions. && $$