Florida sees snowfall as winter weather grips East Coast

'Bomb cyclone' hits US East Coast energy, power supply

Deadly 'bomb cyclone' batters eastern US, causing travel chaos

For a cyclone to qualify, it needs to drop by 24 millibars (a pressure unit used by meteorologists) in 24 hours.

Farther north, parts of Savannah and coastal Georgia saw up to 3 inches of snow, which closed Savannah Hilton Head International Airport. He added that the cold temperatures can also be deadly. Flights were suspended at both of the city's major airports, while nearby Newark, in New Jersey, was facing delays.

Forecasters have warned that the brutal winter storm will bring hazardous amounts of snow and ice to parts of the country usually unaccustomed to bad weather.

Winter storm warnings were in effect from the Mid-Atlantic region northward through New England.

Due to weather conditions, some airlines are allowing passengers to rebook flights without paying a cancellation fee -including American Airlines, Delta Air Lines, JetBlue and United Airlines as near-blizzard conditions are expected to blast through the eastern United States. The National Oceanic and Atmospheric Administration notes the term "Bomb Cyclone" comes from the term "bombogenesis", which describes pressures that drop to at least 24 millibars over 24 hours.

Forecasters expect blizzard conditions in Boston, Massachusetts (and in all of ME and New Hampshire), freezing rain in Charleston, South Carolina, southern Georgia and northern Florida, where some snow has fallen.

Monday is expected to be the first day above freezing since last month.

Capital Weather Gang's Jason Samenow tells us how much snow the bomb cyclone could dump and its expected impact on the already bitter temperatures. "That's the most unusual thing about this storm". Current computer models suggest most, if not all, snowfall will occur east of Washington and Baltimore on Wednesday night into early Thursday.

Winds will crank in response to this pressure drop, howling to at least 30 to 50 miles per hour along the coast. The lower the air pressure in the middle of the storm, the more intense that cyclone is.

About 100 million people faced a new challenge after the whopping East Coast snowstorm: a gusty deep freeze, topped Saturday by a wind chill close to minus 100 on New Hampshire's Mount Washington that vied for world's coldest place.

The NWS warned the "greatest concern" for the southeast New England area is "the potential for damaging wind gusts".

The upcoming frigid weekend won't be coldest the region has ever experienced, however. (Credit: Chris M Moore/Facebook) The Boston Police Department issues an advisory, asking people to stay indoors during the snow storm (Credit: Boston Police Department/Twitter) A thick blanket of snow covers a lawn and trees in Manahawkin, New Jersey.

At least 28 major cities across New England, eastern NY and the Mid-Atlantic states will have record low temperatures by dawn on Sunday, the National Weather Service said. The high tide in Portland on Thursday was 13.79 feet, almost reaching the 14.17 foot mark reported during the Blizzard of 1978.

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