Cold air pouring in from the east has dramatically cooled and dried the airmass over Northwest Oregon and SW Washington the last 24 hours. The east wind is raging and temps are in the lower 30s across most of the Metro area this morning. We’ll be lucky to hit 40 in Portland today. Combine that with the wind and you get windchill readings in the 20s most of the day. Of course the strongest wind will be on the east side of the Metro area closest to the Columbia River and south of the river too.
Check out the temperatures on the KPTV Tower. 26 degrees at 1,800′ this morning vs. 38 yesterday morning. Pressure gradient through the Gorge is around 7 millibars, although gusts haven’t been too crazy. Corbett has been around 50 mph and Troutdale/Portland 30-40 mph. The Vista House sensor is up and running for just today and tomorrow, then I’m going to yank the computer out and fix up the software issue. We’ll see how strong it gets up there today.
Enjoy the bright and cold sunshine!
Chief Meteorologist Mark Nelsen