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    Henry Margusity

    Pattern Looks Snowy and Colder Prior to Christmas

    12/11/2012, 6:20:27 AM

    Commentary

    My excitement level for the next two weeks has gone up now that the storms are finally showing up on the models. The pattern is one where the cold air will be available for storms, and if all works out, snow will be as far south as I-70 prior to Christmas. The map below shows the area that I believe we will see snow cover. It's based on a compromise between the GFS and ECMWF storm tracks and snow potential.

    As for storms, we have storms to watch this weekend which could bring snow across the northern Great Lakes and Northeast. The next storm will be around Dec. 19, and the third storm will be around Dec. 23.

    What we have to watch in this pattern and the storms around Dec. 19 and 23 is the negative NAO and one of the storms hitting the coast and intensifying. Yes, the PNA is negative, but it only takes a last-ditch effort with the blocking to get the storm to slow down enough to intensify along the coast. I think the storm around Dec. 19 probably has the best chance of doing that. It would mean snow would fall all the way to the coast north of Virginia beach.

    There's a lot on the table and the snow lovers should rejoice.


    590x451_12111506_severe1


    The views expressed are those of the author and not necessarily those of AccuWeather, Inc. or AccuWeather.com

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    Henry Margusity