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News / Clark County News

Weather Eye: Falling overnight lows will lead to frosty mornings

By Patrick Timm for The Columbian
Published: January 19, 2023, 6:03am

The chilly rain that fell Wednesday amounted to a quarter-inch or so around the county, with perhaps greater amounts in the higher elevations. Wednesday’s high was 47 degrees, which is exactly average for the date, but it sure felt colder to me.

In the wake of Wednesday’s cold front, we will see high temperatures in the low to mid-40s all the way into the middle of next week. The overnight lows will drop, creating many frosty mornings, so watch out for icy walkways and roadways. Typical January coldness.

Outside of a weak weather system cruising by to our north on Saturday, which could cause a light shower or two, I don’t see any precipitation between now and the middle of next week. We begin a period of dry weather after measurable rainfall almost every day this month. Our rainfall totals will drop way below average as we round out January.

For the most part, winds will be light over the next several days, although there will be easterly winds at times, mainly east of I-205. On the west side of the county, we could see an inversion develop, producing stagnant air-quality conditions.

Speaking of those east winds, we sure have had plenty of them lately. Looking at daily wind directions at Pearson Field, from Nov. 1 through Wednesday, we have had 50 days with east winds showing up in the peak wind gusts. By March, we should depart from winter’s east wind episodes.

Also looking at our precipitation, I notice that since the water year began Oct. 1, the rainfall was below average for October and November. December got its act together and presented us with eight-tenths of an inch of precipitation above average. So far in January, we are below average, and the upcoming dry pattern will follow suit with October and November, most likely.

I assume the groundhog is peacefully in hibernation, but he will be awakened by officials two weeks from today and have his chance to grumble about the extended weather forecast. Really? Groundhog Day again already?

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