ALERT 1 - Air Stagnation Advisory AN AIR STAGNATION ADVISORY - TopicsExpress



          

ALERT 1 - Air Stagnation Advisory AN AIR STAGNATION ADVISORY IS IN EFFECT UNTIL 12:00PM PST SATURDAY, JANUARY 03 Event Start: Tuesday, December 30, 2014 2:27 PM PST Event End: Saturday, January 03, 2015 12:00 PM PST Back to Summary AIR STAGNATION ADVISORY IN EFFECT UNTIL NOON PST SATURDAY Urgent - Weather Message National Weather Service Pendleton OR 227 PM PST Tue Dec 30 2014 ...Dry And Very Stable Conditions Will Persist Through Saturday... .High Pressure Will Strengthen This Week. This Will Result In Dry And Very Stable Conditions Across Eastern Washington And Eastern Oregon. A Deep Inversion And Light Winds Will Keep Pollutants Trapped Near The Surface. Lower Columbia Basin Of Oregon-Grande Ronde Valley-Wallowa County- John Day Basin-Foothills Of The Northern Blue Mountains Of Oregon- Foothills Of The Southern Blue Mountains Of Oregon- North Central Oregon-Central Oregon-Yakima Valley- Lower Columbia Basin Of Washington- Foothills Of The Blue Mountains Of Washington- Including The Cities Of...Boardman...Hermiston...Ione...Cove... Elgin...La Grande...Enterprise...Joseph...Wallowa...Dayville... John Day...Mitchell...Monument...Spray...Pendleton...Pilot Rock... Heppner...Condon...Fossil...Dufur...Maupin...Bend...Madras... Prineville...Redmond...Naches...Sunnyside...Toppenish...Yakima... Connell...Prosser...Tri-Cities...Dayton...Waitsburg...Walla Walla 227 PM PST Tue Dec 30 2014 ...Air Stagnation Advisory In Effect Until Noon PST Saturday... The National Weather Service In Pendleton Has Issued An Air Stagnation Advisory...Which Is In Effect Until Noon PST Saturday. • Timing: The Low Level Inversion Will Strengthen On Wednesday And Will Persist Through The End Of The Week. • Locations: The Yakima Valley...The Lower Columbia Basin...The Blue Mountain Foothills...Central And North Central Oregon...The John Day Basin...Grande Ronde Valley...And The Wallowa And Imnaha Valleys. • Impacts: Pollutants Trapped Near The Surface Can Negatively Affect Those With Respiratory Conditions. Precautionary/Preparedness Actions...
Posted on: Tue, 30 Dec 2014 22:31:07 +0000

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