Weekend Storm?

As cold air returns to the mid Atlantic region over the next few days, the steady supply of Pacific storms tracking across the nation will bring a threat of winter weather instead of just wet weather.  Whether or not the storm approaching the area from the south this weekend brings a significant snowfall will depend on a subtle difference in possible storm tracks.  It appears likely that the low pressure system will make it to northern Louisiana by Friday morning, but where the low moves from there is the key to our weather on Saturday.  Computer models are beginning to favor a more southerly storm track, which would produce a near miss for the Baltimore area, keeping the heaviest snow in central and southern Virginia.  However, if the storm veers a bit to the north, the heavier snow would shift into Maryland.  The strength and position of the jet stream to the north will play a major role in determining which track the low takes.  A strong northern jet stream would likely suppress the storm farther south.  A slightly weaker northern jet would allowthe storm to move our way.  Stay tuned.

Tom Tasselmyer

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