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February 10-12 event obs


snowfan
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5 minutes ago, Deck Pic said:

18z Euro is pretty wet....10:1....I think DC thermals are borderline for part of the storm, so maybe some sleet

I think north of a line from Winchester to Columbia could do really well tonight.  South of that is more dicey...a couple/few inches not out of the question, but could be sleety at times and probably a little less wet

Ydp08MW.png

I'd be more than happy with this solution. 

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With this basically being a stalled warm front type of precip event, mountains aren't going to make much of a difference downstream. Plenty of gulf moisture streaming in. Clippers and any other weak northern stream systems are way different. Often painfully different for my yard. Tonight is pretty juicy for all under the best stuff. Hopefully my yard in particular

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2 minutes ago, arlwx said:

IMO, it's all about elevation plus distance from the Potomac.

I'm about 100 feet up from DCA.  Pixee may be as much as 300 feet up, maybe a bit further away from the Potomac, and Fort Reno is up around 400 feet.

So I wouldn't be surprised to see DCA get maybe an inch if generously measured, me an inch or so, and Pixee and Fort Reno get the 3 promised NWS inches.

That's ASS-U-MEing equal QPF.

The bulk of SE is east of the anacostia river (not capitol hill SE) is pretty much elevation and hills. You can actually see it from I295 or  if you look across Sousa bridge. The whole horizon going from say, Northeast to the naval base area. I'm actually at 143 feet. Neighbors behind me are over 180-200ish, and down the block 75. Its like that everywhere here. Since all the news coverage is based in NW they tend to not pay too much attention. Navy yard proper is a concrete jungle now since the retrofit, hot as blazes in the summer.

Now 34 degrees. Cars and non paved surfaces have a light snow coating. Streets seem just wet right now.

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