978 millibars and still falling

The 7:00pm surface weather map showed the coastal storm continuing to intensify with the central pressure down to 978 millibars (28.88″).  That’s a pressure drop of exactly 24 millibars in 24 hours; a meteorological “bomb”.  Winds on the north side of the storm are gusting to 56 mph at Blue Hill, MA.  On the south side of the storm wind gusts to 51 mph at State College, PA, 48 mph at Mt. Pocono, PA, 45 mph at BWI-Marshall, and 44 mph at Dover, DE have been reported.

A High Wind Warning remains in effect overnight for gusts over 50 mph and a Winter Weather Advisory is also in effect for the possibility of 1-3″ of snow, with up to 4″ north of Baltimore toward the Pennsylvania line by Friday evening.

Tom Tasselmyer

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