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Feb 13: The little storm that could (for some)


Ian

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Now that the models are converging on a solution/track ....what are thoughts on temps. When in doubt - look outside, right? Initially (based on models) people were forecasting 60 today in northern virginia, and low 50s tomorrow. It looks like most of us are still in the mid/upper 40s today ...so upper 50s/60 looks like it ain't happening. Thus, this air mass feels more stagnant than first forecasted and given the current track/solution ...snow Wed night is not out of the question for the DC area. I am still feeling a solid 1-2 inches DC area wide late Wed night.

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Now that the models are converging on a solution/track ....what are thoughts on temps. When in doubt - look outside, right? Initially (based on models) people were forecasting 60 today in northern virginia, and low 50s tomorrow. It looks like most of us are still in the mid/upper 40s today ...so upper 50s/60 looks like it ain't happening. Thus, this air mass feels more stagnant than first forecasted and given the current track/solution ...

Problem with that idea is that we're not in the airmass we'll be in for the storm.  

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Euro has about 0.39" of precip for IAD, the first .1-.15" looks to be rain based upon the surface being in the upper 30's, but the last 0.25" or so looks like it could be snow, 850's drop from -1.8 to -3.2 and ST drops to 34F, 1000-500 thickness drops to 534.  So it looks like maybe a very wet 1-2", probably closer to 1", per the Euro.

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Euro has about 0.39" of precip for IAD, the first .1-.15" looks to be rain based upon the surface being in the upper 30's, but the last 0.25" or so looks like it could be snow, 850's drop from -1.8 to -3.2 and ST drops to 34F, 1000-500 thickness drops to 534.  So it looks like maybe a very wet 1-2", probably closer to 1", per the Euro.

Do you have the full sounding?  If so, what's the 950 and 925 temps?

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Euro has about 0.39" of precip for IAD, the first .1-.15" looks to be rain based upon the surface being in the upper 30's, but the last 0.25" or so looks like it could be snow, 850's drop from -1.8 to -3.2 and ST drops to 34F, 1000-500 thickness drops to 534.  So it looks like maybe a very wet 1-2", probably closer to 1", per the Euro.

 

And with the euro catching up to the gfs it's *possible* that precip ends up .50+. But I'm not very optimistic we get much if any better with the solutions we have now. We're hitting on 16 with the dealer showing a king. 

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And with the euro catching up to the gfs it's *possible* that precip ends up .50+. But I'm not very optimistic we get much if any better with the solutions we have now. We're hitting on 16 with the dealer showing a king. 

 

Actually you pushed in all your chips, your sitting on 16 and there are 5 other people sitting at the table with you and none of them are showing a face card and the dealer is showing an Ace!  :-)))

 

If you guys can't get 1-2" with a vort tracking to your south and 0.4-0.5" of precip in early February than you guys have been officially cursed.  Since RDU seems to be worse off than you guys maybe I am bad luck being up in Herndon!

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Now that the models are converging on a solution/track ....what are thoughts on temps. When in doubt - look outside, right? Initially (based on models) people were forecasting 60 today in northern virginia, and low 50s tomorrow. It looks like most of us are still in the mid/upper 40s today ...so upper 50s/60 looks like it ain't happening. Thus, this air mass feels more stagnant than first forecasted and given the current track/solution ...snow Wed night is not out of the question for the DC area. I am still feeling a solid 1-2 inches DC area wide late Wed night.

 

It's 63 here.

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well he did say Northern and Central Md and to IAD. That doesnt include the cities on the I 95 corridor

 

 

It would probably snow at the end in the cities but not amount to anything on the Euro. 34F with flakes in the air to end it perhaps. We'd need to see something more like the NAM to get accumulation in areas east of the fall line.

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It would probably snow at the end in the cities but not amount to anything on the Euro. 34F with flakes in the air to end it perhaps. We'd need to see something more like the NAM to get accumulation in areas east of the fall line.

 

Yep, and it still is sort of an outlier when you look at the SREF temps at least from the 09Z run. 

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