'Bomb cyclone' winter storm hits US East Coast: What is it?

Marcus Newton
January 14, 2018

At least seven people died in weather-related accidents.

In Savannah, a coastal city that has not seen measurable snowfall since February 2010, up to 2in (5cm) of snow and sleet were forecast.

New Yorkers bundle up as they contend with horizontal snow, strong winds and frigid temperatures during massive winter storm. By definition, the barometric pressure must drop at least 24 millibars within a 24-hour period is known as a bomb cyclone.

Gov. Andrew Cuomo has declared a state of emergency in New York City and the surrounding suburbs as a "bomb cyclone" winter storm hits NYC and much of the East Coast with snow, ice, and hurricane-like winds.

The Miami Herald says it has been three years since people in South Florida experienced cold like this.

In Brunswick, Georgia, on the Atlantic coast, law enforcement agencies reported freezing rain and ice on bridges early on Wednesday in south Georgia as a winter storm revved up along the east coast.

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

The powerful winter storm now walloping the northeast, is bringing heavy snow, high winds, and blizzard conditions.

The Nor'easter that is now tracking along the East Coast will be a true "bomb" by Thursday afternoon.

Near and west of I-95 through the metro region, in the zone where a dusting to two inches is most likely, this rates of as a Level 1 "nuisance" event because the snow will be light and easy to sweep away, despite the potential for some slick spots and perhaps some school delays.

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To the north, Philadelphia and NY have a better chance for a coating of snow, but - unless the storm edges closer to the coast - the more significant snow should remain to their east from Atlantic City to eastern Long Island, where at least four to six inches could fall late Wednesday to late Thursday.

The New Jersey State Patrol said it responded to more than 150 crashes on state roads Thursday morning, many of which were caused by the winter storm. Now forecast models show the central pressure dropping 50 millibars over the next 24 hours.

A cyclone's strength depends on its air pressure.

Central pressure is the measure of how much the atmosphere in the middle of a storm weighs, and it's one of the key indicators of any cyclone's intensity. Low around 22. East wind 5 to 13 miles per hour becoming north after midnight. Winds will be considerably stronger over the ocean - exceeding hurricane force - where enormous waves will form.

Updated: 3 p.m. Thrusday: The National Weather Service estimates that the snow will continue to fall into the evening, until as late as 9 p.m., a change from their prediction on Wednesday that it would end around 4 p.m.

Ms Fitzgibbon continued: "Tomorrow afternoon, especially early afternoon, we may be seeing some bands of snow combined with the winds that are going to create blizzard conditions".

There's a risk of power outages on the Southern East Coast right now, according to NBC.

The storm dropped more than 14 inches of snow on Providence. This type of winter storm because prevailing winds near the coast line are from the northeast.

In northern New England, temperatures will be below -18C this weekend. Highs will push toward the 30-degree mark.

In northern New England, temperatures will be below zero this weekend.

Other reports by MaliBehiribAe

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