November 4, 2010 - Dreary Thursday & Friday

By: Mallory Brooke
By: Mallory Brooke

November has started off on a cool note and will continue to be below average through Saturday. In addition, I'm answering your questions and talking about upslope snow! Read all about it in today's blog.

First and foremost, let me address a question I received on my last blog.

Eddie writes, "You said in a March blog when you told us about downslope flow, "Winds originate near the summit and start their way down the lee side of the mountain. Descending air warms at a rate of 10 degrees Celsius per kilometer." I was wondering if the air warms in fall and winter too."

Great question Eddie. While it may not "feel" warm in certain seasons, the air still warms as it descends the mountain. It's all relative. In the summer, it feels downright uncomfortably hot. In the spring/fall, it's comfortable and in the winter, it still feels cold. But the air is still warming on its way down the mountainside no matter what season we're in.

Onto Thursday's weather - what a day to spend in bed! Rain continues through the majority of Thursday in the Valley as temperatures struggle to rise into the upper 40's. Some showers may linger through Friday morning - and we can't rule out a few flurries making it over the mountains Friday.

Rain will mix with snow in the highest elevations to our west late Thursday and likely changing to all snow in the wee hours of Friday morning. Elevations above 3,000ft may wake up to a dusting of snow Friday morning. Our first major upslope snow event of the season commences Friday and lasts through Saturday. Winter weather advisories may be issued by the National Weather Service for the western slopes of Pendleton, Highland and Grant counties.

No worries though, the cool air will only hang on through Saturday. By next week, temperatures will be back in the 60's and stay there for several days with lots of sunshine.

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