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Threat Jan 25-28th time fram. Possible Miller A


IsentropicLift

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it's got that PDII-ish kind of feel, like yesterday... not a strong low, but strong high...all we need is a low level jet at 850 mb right about now an we'd be golden.

As others have said, we actually dont want a strong low for various reasons (inland track, more banding of precip).... a weak low bringing overrunning snows over a dome of arctic air a la Feb 1983 or Feb 2003 is the ticket! I believe the nao was positive with the latter also-- completely PAC driven.

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138 hrs, broad area of sub 1008 low off NJ. Really has not moved much at all. Through 144 same thing just slides the whole are slowly north with light-moderate precip moving north with the storm very slowly. By 144 hrs the zero lines run right along the coast the whole way. with zero 850 just off shore.

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Was PDII considered an overrunning event?

I was actually just reading the PDII storm in the KU book to refresh my memory.. the big key players was obviously the strong high pressure, but there was a persistant 25m/s 850 mb low level jet that just kept bringing moisture back into our area... I wish the Euro charts had 850 mb heights along with temp to see what the winds speeds are at that level.

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