12/17 forecast

Posted by
 December 17, 2010

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Good morning!

There’s nothing like a Thai coffee first thing in the morning. Concentrated caffeine, concentrated sugar and cardamom are good for the brain at 5am. If you have any suggestions for other things starting with “C” that I could use at 5am, that would be great.

Of course, the caffeine and sugar in my system are no guarantee that the forecast will be correct, or even that I’ll get the correct days in the forecast. That said, here goes…

We’re in the calm before the storm right now. Literally. Mt. Hood sees clear skies and light wind this morning, with clouds filtering in around midday. Early morning westerlies gradually swing around to east, building to 15-20mph by 10pm.

Easterlies on Mt. Hood build into the 30-35mph range overnight, possibility creating some issues with lifts tomorrow morning. Of greater concern than the cold-pool driven east winds is the wind shear generated by the front coming over the top of the cold air. There’s a possibility of very strong downslope winds between 5am and 11am. Otherwise, we’ll see strong east winds switching to westerlies in the 25-30mph range by 10am.

Snow starts on the hill around 5am, with a total of 8-10” falling between 5am and 7pm. We’ll see a short-lived break in the weather in the evening, but then snow picks up again around 10pm, falling all night long, for an additional 4-6” of accumulation. Light snow keeps falling all day Sunday, with a stronger period of snowfall for a few hours midday, for another 3-4” of snow. Windspeeds on Sunday will be down from Saturday, with 10-15mph all day.

If you’ve been meaning to try new skis or a new snowboard, head to Meadows on Sunday for the NW Demo Tour. It’s free, and there will be a ton of gear for you to try. Also, if you’ve been waiting for Cooper Spur, it’s open now through the end of the holiday season (and a few days a week after that). Yay for the little resort that could!

If you live in the Gorge, here’s your hometown forecast: East gradients through the gorge will strengthen today and a cold pool of high pressure will deepen today, setting up trouble for the Gorge. Snow starts falling around 5am tomorrow, and with a total of .3-.5” of water value predicted, we’ll see 4-6” of snow during the day tomorrow. It looks like snow will continue in the Gorge through Sunday, with another 3-5” falling. Watch for fun and excitement between Cascade Locks and Rooster Rock, where a full-on blizzard, due to easterlies in the 35-45+mph range, seems likely. Remember, if the freeway closes, you are free to take your snowmobile for a ride down I-84. (And please don’t quote me on that when OSP comes after you on their sled)

Have an awesome day today!


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