Mt. Hood snow and Gorge wind and snow forecast

Posted by
 December 10, 2012

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Mt. Hood Snow Forecast – 5000′
4a-8a 8a-12p 12p-4p 4p-8p 8p-4a

Imagine that: it’s another nice day on Mt. Hood. Today’s definition of “nice” is “sunny”. Yesterday’s definition was “rainy”. Today’s entertainment: If you haven’t looked at Stevens Pass’ Facebook page in the last week, you really should, just to see the photo of the picnic tables buried under feet of fresh snow on Saturday.

In weather news, today looks windy in the Gorge, and most likely clear, although I’m loath to go outside and confirm that because I’m sitting under my warm blankets. The gradient was at .12W at 5am, and it’s already 22mph in Stevenson. If it’s windy in Stevenson this early, you can expect 26-30 near Hood River today, picking up at Doug’s and Rowena in the afternoon. The river temp is 48 degrees. A cold front tomorrow gives gusty westerlies at 24-28, first at Stevenson, then at Hood River (where it will be really gusty and won’t last long), then further east.

In general weather news, today’s dry, tomorrow brings rain all day, and Wednesday and Thursday look dry. Thursday looks very cold, likely below freezing down here in the Gorge. There’s a chance we’ll see snow down to river level on Friday morning.

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On the mountain, it’s clear this morning and will stay that way. The freezing level is around 7000′, and will stay there all day. The wind today will be NNW 30 early, becoming NW 20-25 in the afternoon.

Tomorrow starts off clear or with high clouds, becoming snowy after noon. The snow level will be at 7000′ early, falling to 2500′ midday and rising to 4000′ in the afternoon, before falling to 1000′ overnight. NOAA thinks the precip will fall as rain. I’m taking the opposite stance this time; I think it will fall mostly as snow. We’ll see .3” water value (WV) between noon and 4pm, for 1-3” of snow (depending on how fast the snow level really falls). Another .5” WV falls by 4am, for 4-5” more. Wind on Tuesday will be WSW 30 early, rising to WSW 40 by 10am and holding through the evening.

Wednesday starts with a few scattered flurries and clouds, becoming clear by mid-morning. The freezing level will be at 1000′. The wind will be W 25 early, dropping to NW 15 mid-morning.

Thursday starts off clear. High clouds move in during the afternoon. The freezing level will be around 500′, with an inversion in the Gorge giving sub-freezing temps. Wind will be light and variable early, becoming SW 10 in the evening.

The extended forecast looks cold, but models are disagreeing on the strength/precip values of any systems that might move in. Right now, the day to watch is Sunday. The ECMWF keeps us on the cold side of a very wet and powerful system. The GFS keeps us on the warm side of a very wet and powerful system. See what I mean about model differences?

Have an awesome day today!