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AIR STAGNATION ADVISORY
AIR STAGNATION ADVISORY ISSUED NOVEMBER 20 AT 4:32PM PST EXPIRING NOVEMBER 21 AT 1:00PM PST
Effective: 2018-11-20 16:32:00 [EXPIRED]
Expires: 2018-11-21 13:00:00
Issued by: NWS Pendleton OR
Alert Text
STRONG SURFACE INVERSIONS AND STAGNANT AIR CONDITIONS AREALLOWING POLLUTANTS AND MOISTURE TO BECOME TRAPPED IN THE LOWER COLUMBIA BASIN AND ADJACENT VALLEYS CAUSING POOR AIR QUALITY AND AREAS OF FOG. * AIR QUALITY...STRONG INVERSIONS NEAR THE SURFACE AND STAGNANT AIR CONDITIONS CONTINUE TO TRAP POLLUTANTS.
* TIMING...POOR AIR QUALITY UNTIL AT LEAST WEDNESDAY MID DAY.
* IMPACTS...POOR AIR QUALITY MAY CAUSE ISSUES FOR PEOPLE WITH RESPIRATORY PROBLEMS.
More Information
Target Area
LOWER COLUMBIA BASIN OF OREGON, FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON, EASTERN COLUMBIA RIVER GORGE OF WASHINGTON, CENTRAL OREGON, NORTH CENTRAL OREGON, EAST COLUMBIA RIVER GORGE
EXPIRED / ARCHIVED — This alert is no longer active and is maintained for historical record only.
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