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Sunday, February 7, 2010

Significant Snow for Wednesday for NYC, Mid-Atlantic, Washington, DC, Baltimore...






The models (UKMET, Canadian Regional, GFS, NAM, etc.) are coming into agreement for Tuesday night and Wednesday (see maps above). Energy ejecting out of southern California will phase in with a very strong upper-level shortwave that is diving down from central into the Midwest. These two system phase in across the eastern third of the nation by Tuesday spreading a large area of rain and snow ahead of it.

There is the potential for 6 to 12" of snow in the same area that was hit with the paralyzing snow of February 5-6, 2010 that includes, southeast PA, northern VA, MD, DE and NJ. With this storm, NYC should also see a significant accumulation. The models are not slowing up the storm once it intensifies south of Long Island but it may if the the upper low captures it thereby prolonging the snowfall over the NYC tri-state region.

I will have several more updates on this storm later this week.

George Wright is a Certified Consulting Meteorologist and President of Wright Weather Consulting, Inc.