12/14 Mt. Hood snow, Gorge snow and events

Posted by
 December 14, 2012

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

Happy Friday! It’s my Tuesday, finally! For your fun and entertainment today, there’s the Da Kine warehouse sale in The Dalles from noon to 4pm, which gives you an opportunity to ride road bikes on the Petersburg Loop, where there’s no gravel ever. There’s the Hood River Weather website party at Pfriem at 4:30pm, there’s the snowboard movie “Further” at Waucoma Club tonight. Tomorrow is the Dirty Fingers Naughty North Pole Christmas party, starting at 5pm and lasting until late. On Sunday, the DimWits have a work party on the Cascade Locks easyCLIMB trail.

In Gorge weather news, various locations (but not my house, damnit) are reporting non-sticking snowfall at this time. We’ll continue to see snow flurries through 10am or so. Tomorrow also looks snowy in the morning, with an inch or two of sticking snow in the upper valley possible before noon. In wind news, this afternoon brings gusty westerlies at 23-26 starting in Stevenson and moving east late.

Up on the mountain, it’s snowing. The snow level is around 500′ right now, and will stay there all day. Approximately .3-.4” water value (WV) arrives today, for 3-5” of new by 1pm. After that, skies will clear, or at least become partly cloudy with flurries. Wind today will be SW 20-30 early, NW 20-25 around 10am and NNW 20-30 around 4pm.

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Saturday starts off with high clouds, but snow starts around 10am. The snow level will be 500′ early (at the surface in the Gorge), rising to 1000′ around 4pm and 2000′ around 7pm. We’ll see .5” WV between 10am and 4pm, for 5-6” of new. There will be a break in snowfall in the afternoon before another round overnight gives us .7” WV by 4am for 7-9” of new by Sunday morning. Wind will be SW 10-15 early, rising to SW 20-30 by 10am, WSW 30-40 at 4pm and WNW 40-45 by 7pm.

Sunday starts off with snow and wind, becoming partly cloudy. The snow level will be 1500′ early, 2500′ by 1pm, and then will rise quite a bit overnight (more on that later). We’ll see .4” WV by 4pm, for 3-4” of new. Another .2” falls by 10pm (probably as 1-2” of snow, but maybe as freezing rain). Wind on Sunday will be W 35-45 early, dropping just a bit to W 30-40 at 1pm. As the next system approaches, the wind turns to SW 25-30 at 7pm, picking up to SW 45-55 overnight.

Now… on to complicated Sunday night. A warm front approaches around 10pm, with very heavy precipitation. Temps look a bit warm with this system, sending the snow level to 5500′ at 1am and 6500′ at 4am, before dropping to 5500′ around 7am. 1” of WV arrives between 10pm and 4am, most likely as rain, but possibly as very wet snow. This should make for some nice avalanches in the BC, as it’s falling on top of cold, dry snow.

Let’s assume best case scenario, with the snow level at 5000′ Monday morning along with strong SW wind. The snow level will fall to 4000′ around 7pm Monday. Models suggest 2” of WV during the day Monday, for lots of heavy new snow (or rain at base areas, if we’re really unlucky). Then another, colder system moves in Monday night for lots of new snow by Tuesday morning. In other words, we’re going to have to wait a day or two to see how the models shake out on this Sunday-Monday system.

Have an awesome day today!