1/18 Forecast

Posted by
 January 18, 2011

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Good morning!

You would think that I could learn. If I don’t load the models by 7:45, I have to wait to do the forecast until 8:45 or so when the next model run is complete.

The rest of today looks – yay – snowy, with steady snow falling from now until 10pm. The snow level will be 3500-4000’ today. Winds will be NW at 15-20 down low, and 40-60 up high. Total precip between 4am today and 4am tomorrow will be .3-.5” of water value for 4-6” of new snow.

Tomorrow looks clear and cold, with the free air freezing level around 3000’. We’ll see light north or east winds and zero precipitation.

Thursday morning looks clear and cold, with clouds moving in during the afternoon. The free air freezing level will rise to 7000’ by afternoon. Winds will be light in the morning, rising to W 20-30 by 4pm. Precipitation starts as rain or freezing rain (there’s a bit of an inversion around 7-8000’) around 7pm. The chance of freezing rain ends around 1am as all precip switches to rain below 7000’. Total precipitation before 4am will be less than .1” of water value.

Friday looks rainy (well, sprinkly… I don’t want to bring a vision of last Sunday into your head), with r**n starting around 10am, and continuing until 1am Saturday. Winds on Friday will be SW 15-20, switching to W 15-25 by 4pm. The snow level will hold around 7500’. Total precipitation will be .25-.5”, all falling as rain. That rain will taper off by Saturday morning.

At this time, Saturday through Tuesday look dry and sunny.

In other, interesting news, there appears to be a new sandbar developing in the Columbia across from the Spring Creek Fish Hatchery. The Hood peaked at 12.94 feet at 9pm on the 16th, with a flow of 13,600 cfs. The peak wind gust at Arlington yesterday was 48mph at noon. Next chance for windsurfing in the Gorge is Friday, as an upper level low passes along the BC/Washington border.

Pray for snow!


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