Winter Storm Watch Issued

The National Weather Service has issued a Winter Storm Watch for Wednesday night into Thursday.  Essentially, the “Watch” is a heads up to prepare for a “possible” winter storm.  A “Warning” will be issued when the storm is imminent.  This time of year it takes a storm capable of producing 5″ or more of snow in 12 hours, or 7″ or more of snow in 24 hours for the Weather Service to issue the “Watch”.

The afternoon models continue to forecast low pressure over New Jersey by early afternoon on Thursday (see image above).  As with the other big snowstorms this winter, the northern and southern branches of the jet stream are forecast to phase together, producing a powerful storm with strong winds from the surface to the upper levels of the atmosphere.

If the storm stays on the forecast track, rain and snow will spread into central and eastern Maryland from the south Wednesday evening, changing to all snow Wednesday night, becoming heavier Thursday morning.  A 6-12″ snowfall will be common around the Baltimore area by Friday morning, with the potential for even more in some areas north of Baltimore, IF the storm holds to the current forecast track.  Stay tuned!

Tom Tasselmyer

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