"Bomb cyclone" to slam East Coast with more bitterly cold weather

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Parts of Florida reported light snow with temperatures just below freezing.

The social media buzz phrase was actually taken from the meteorological term "bombogenesis" which is a real atmospheric process in which an area of low pressure strengthens by 24 millibars or more within a 24 hour period.

An intense storm packing strong winds and heavy snow is hitting the northeastern US, dumping piles of snow on the region. But the powerful winds around this storm will drag in some of the coldest air the Northeast U.S. has experienced in decades. Mid-Atlantic and Northeast cities are going to set records for cold temperatures on January 5, with single-digits (and subzero cold) freezing New England on January 6.

As for the D.C. metro region, this storm system may be too far out at sea in the Atlantic to bring any significant snow. The event is forming because of "bombogenesis", a rapid drop in atmospheric pressure that intensifies a storm. "For comparison, Hurricane Sandy had a minimum central pressure of about 946 millibars when it made its left hook into New Jersey in 2012". Winds will be considerably stronger over the ocean - exceeding hurricane force - where enormous waves will form.

In Boston, the Weather Service is predicting not only 4 to 7 inches of snow but also winds strong enough to bring down branches.

[THURSDAY] Briefing package on major winter storm bringing the potential for heavy snow/near blizzard conditions across eastern MA/RI, but uncertain how far west heavy snow band gets.

Bridge closed Savannah
Bridge closed Savannah

The biggest concern arising out of this storm will be the winds that will batter the coasts of Nova Scotia, New Brunswick, P.E.I. and Newfoundland.

Atlantic Canada will be the hardest hit by this storm, which is expected to be at its worst Thursday through Friday, Hull said. Colder air looms in the forecast late next week. As well, some cars may have trouble starting in such cold temperatures, so keep that in mind if you decide to make a trip to the store; no one wants to come back out to the vehicle, only to find out that it won't start.

National Weather Service high temperature forecast on Friday.

On Saturday morning, subzero cold is forecast over nearly all of New England, with single digits in the Mid-Atlantic. This storm will likely continue to surpass previous temperature lows.

Winds, gusting to 30 miles per hour, will make these areas feel 10 to 20 degrees colder.

Parts of Canada have already faced record-breaking cold temperatures this season.

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