3.26 Not Your Typical Storm

Published 03/26 2014 10:54AM

Updated 03/26 2014 11:09AM

From Wednesday morning
From Wednesday morning/NOAA
Our area narrowly missed an historic nor'easter Wednesday.

You probably noticed the clouds, the strong winds, cold air, but that's about it Wednesday. A few hundred miles to our east it was a completely different story.

An incredibly-strong storm brewed in the ocean Tuesday night into Wednesday. There is a term called 'bomb' where a storm intensifies so quickly that there is a pressure drop of at least 24 millibars in 24 hours. That usually results in driving winds, heavy precipitation, and huge impacts! This storm fell from 1008mb to 961mb in 21 hours, a change of 47 millibars in 21 hours! That's twice as much as the necessary 1mb/hr. At one point Wednesday morning it fell 13 mb in 3 hours, incredible!

That rapid intensifying resulted in winds gusting to hurricane-force along southeastern Massachusetts and Nantucket. Amazing! That's why I said these storms don't come around too often. It was the combination of large temperature differences from the ocean, Gulf Stream, then air temperatures, plus an intensifying upper level low pressure area that led to this strong storm. Phew! A near miss for us but perhaps you wanted it for more snow. I know a lot of people I talked to were glad it was a miss :P

-Meteorologist Steve Glazier

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