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News / Clark County News

Weather Eye: Where wintry mix will hit – and how hard – tough to call

By Patrick Timm
Published: December 8, 2016, 6:00am

The winter weather event was on schedule to strike today, although a few hours later than thought earlier. The million-dollar questions are always what type of precipitation and how long will it impact us. A winter storm warning was in effect. If you can take the day off, that would be a best bet.

With various microclimates and pockets of cold air it is always a last-minute call, as I have mentioned here before. It will be a late-night call. With the moisture shield arriving midday it makes it difficult for the schools, and that was still being thought over as I wrote this column Wednesday afternoon.

Looking at weather charts and the satellite pictures it appeared the weather front was splitting, with a portion heading off to the north-northwest and the other half off to the south-southeast. Not as impressive as a day or two ago.

However, as a flow of air comes in off the ocean it will ride over the colder denser air near the surface. For a while it could be snow and then sleet (ice pellets) and then freezing rain. A close call for just what will have the greatest impact. It will be different types of precipitation in the various regions of Clark County.

I’ll broad-brush it and say a wintry mix depending on how long it takes to warm the upper levels of the atmosphere and one’s location. Certainly out toward the Gorge it will be dicey. Then again I may be surprised and we could get several inches of snow here in Vancouver.

Looking beyond this devious weather day, more rain for the lowlands through the weekend and snow in the higher elevations above 1,500 to 2,000 feet. Next week we get lower snow levels and in a week from now we could be going through this very scenario once again. Winter is here, folks.

Vancouver had its first official freeze this season Tuesday with a low of 26 degrees just before midnight. The Wednesday low was 28 degrees due to fog moving in after midnight. I doubt we get much above freezing today, maybe 33 or 34 degrees.

Stay warm and safe and we will chat again Sunday!


Patrick Timm is a local weather specialist. His column appears Tuesdays, Thursdays and Sundays. Reach him at http://patricktimm.com.

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