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February 15-MOrch possible wintry threats


tombo82685

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Looking at the soundings, there is a mid-level warm layer that will be overcome by heavy precip, looking like a good bet on 5"-10" on the GFS for EPA/SNJ

Just for laughs, SV maps have 12-18" snow bullseye over SE PA. lol.

ANyhow,, on a more serious note, Perplexed at how adamant the GFS is, Inside 84 hours. EIther going to score a major coup, or crash and burn badly.

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I think the Euro trends north. It's always had a bias of holding back the sw energy too much. There is really no reason for this not to come up further north, as there is no confluence or blocking

Yeah the 12Z Euro at h5 looked awful. The vort max was all strewn out even though it had a pretty good 850 track. It will be interesting to see if it can consolidate the energy better.
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That's correct^^//

way better looking with the storm, little stronger and more Northern stream interaction more comparable to the 0z GFS than it's 12z run. @ 72 hours, the 0z Euro has precip touching halfway up the Delmarva, the 12z euro barely had any precip past VA beach.

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That's correct^^//

way better looking with the storm, little stronger and more Northern stream interaction more comparable to the 0z GFS than it's 12z run. @ 72 hours, the 0z Euro has precip touching halfway up the Delmarva, the 12z euro barely had any precip past VA beach.

 

There's much less separation between the northern wave and the southern feature...hence a better outcome on the Euro. It's still not as robust as the GFS has it though...

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post-105-0-02823500-1360575646_thumb.jpg

 

Pretty easy to see why the GFS is showing snow and the Euro is not.  GFS is sharper with the northern trough and is more robust.  Euro is flatter with the northern trough, less robust although compared to the 12z run it is a much closer look to the GFS last than it was 12 hours ago.

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