Colder Weather Pattern Across Pacific Northwest
Colder Weather Pattern Across Pacific Northwest
Vancouver, Washington (November 3rd 2011) – “The first week of November is going to end on a cold note. A system that originated in the Gulf of Alaska is sliding down across the Pacific Northwest today. Longer range models indicate that the pattern will likely stay in a cool northwest flow aloft for the next 5-7 days. This is the type of pattern that will likely build some early season mountain snowpack at higher elevations of the Cascades. Additional systems will arrive this weekend and into next week. Snowfall levels will likely drop to pass levels or below at times through the weekend and into next week with plenty of cold valley rain. The Portland International Airport recorded its first freeze of the season yesterday (Wednesday 11/2) morning with a morning low of 30 degrees. The earliest Portland has ever reached 32 degrees or colder for the first time in the fall season was on October 8th 1985 when it reached 32 degrees. This weeks first freeze in Portland is about a week earlier than the climatic average of November 8th.”
Here is a quick list of other stations across the region and their lowest overnight temperatures so far this season —
Astoria = 34 on Oct 25th and Nov 1st
Seattle (Sea-Tac) = 34 on Nov 2nd
Olympia = 24 on Nov 2nd
Salem = 27 on Nov 2nd
Eugene = 26 on Nov 2nd
Medford = 27 on Oct 26th and Nov. 2nd
Vancouver, WA = 28 on Nov 2nd
Yakima = 19 on Nov 2nd
Pasco = 22 on Nov 2nd
Pendleton = 24 on Oct 26th
Redmond, OR = 10 on Oct 26th. *New all-time coldest temp for this early in the season.
Spokane = 23 on the Oct 27th
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Stay tuned!
Steve Pierce
President – Oregon Chapter of the American Meteorological Society
stevejpierce@comcast.net
http://www.piercevideo.com/weather.shtml
http://www.ametsoc.org/chapters/oregon/