Rapidly Accelerating Storm Intensity Lead To Hurricane Force Wind

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During the past 24 hours the super storm now east of Cape Cod, Mass. went from 987 MB to 958 MB, a change of -29 MB leading to rapidly accelerating wind speeds surrounding the storm and affecting the Northeast Corridor land mass.

Using the HRRR model the wind field present around the storm at 5PM EST indicated sustained wind of 50-55 mph off the Maine Coast pointed at Boston and the east coast of Massachusetts with similar speeds off of Long Island. Hurricane gusts were reported at two locations:

76 mph Nantucket

75 mph East Falmouth

The rapid increase in northeast fetch into the east coast of all of Massachusetts caused major flooding including a 2.5 to 3.0 foot storm surge and a potential record water rise into Boston Harbor. The northwest wind on the back side of the storm caused major flooding in east coastal Buzzards Bay.

On the east and southeast side of the storm sustained hurricane force wind was forecast. Wind speeds at this level produce 40-50 foot waves.