Watches, Warnings, and Advisories

Current Watches, Warnings and Advisories for Central Willamette Valley (ORZ007) Oregon Issued by the National Weather Service

 

Air Stagnation Advisory Air Stagnation Advisory - Central Willamette Valley (Oregon)


Updated:Thu, 01-Oct-2020 12:31pm PDT
Effective:Thu, 01-Oct-2020 12:31pm PDT
Expires:Mon, 05-Oct-2020 6:00pm PDT
Severity:Minor
Urgency:Expected
Certainty:Likely
Status:Actual
Type:Alert
Category:Met

Areas affected: Cascade Foothills in Lane County; Central Coast Range of Western Oregon; Central Willamette Valley; Coast Range of Northwest Oregon; Greater Portland Metro Area; Lower Columbia; Northern Oregon Cascade Foothills; South Willamette Valley; Western Columbia River Gorge
 
Message summary: ...air stagnation advisory in effect until 6 pm monday below 2000 feet...
* what...stagnant air.
* where...inland areas of southwest washington and northwest oregon below 2000 feet.
* when...until 6 pm pdt monday.
* impacts...varying air quality could degrade enough to cause issues for people with respiratory problems.
* additional details...a strong inversion over the region will act like a lid over the interior, limiting mixing of the air mass. In addition, there will be patchy smoke in spots, primarily closer to the riverside and beachie fires. .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 air quality agency for any current restrictions in your area. More information about air quality can be found at: www.swcleanair.org www.oregon.gov/deq www.lrapa.org airnow.gov &&
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Source: NWS Watches, Warnings or Advisories for zone ORZ007

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