The 'bomb cyclone' explodes in America! Boston is drowning in historic 15ft flood of icy water as massive storm explodes over the East Coast CLOSING JFK airport, cancelling 4,000 flights and killing six (93 Pics)

The National Weather Service is predicting 'life-threatening' cold overnight Friday and Saturday for Northeast 

Northeast will be sent into a deep freeze that could cause roads and streets to be covered with snow and ice 

For NY, streets will be nearly impossible to thaw out and Massachusetts' windchill values may fall to minus 15

A rapid plunge in pressure caused a 'bomb cyclone' system of fast heavy snowfall and winds up to 76mph

Boston experienced historic flooding as floodwaters hovered close to 15.1 foot mark similar to Blizzard of 1978 

Three people were killed in North Carolina, one in South Carolina and two in Virginia, officials said 

The Thursday storm caused traffic chaos as plows worked around-the-clock to try and keep roads clear

More than 5,000 flights in and out of the US today were cancelled thanks to the storm

All flights in and out of JFK and LaGuardia Airports in New York City were temporarily suspended

JFK will be closed until 7am Friday morning, but LaGuardia and Newark Liberty International Airports are open

Schools were ordered closed in New York, many parts of New Jersey, Boston and elsewhere in the region  

Temperatures will stay below freezing through weekend, with New England getting weather colder than Mars

On Thursday, New York Gov Andrew Cuomo declared a state of emergency for several counties

Meanwhile, Florida, Georgia and SC continue to dig out of the rare winter storm that hit them Wednesday  

Boston experienced historic flooding on Thursday, after a 'bomb cyclone' winter storm hit the Northeast, causing travel chaos across the region, but officials have predicted that the aftermath may be deadlier than the storm 

While most people have kept their eyes on Winter Storm Grayson, the National Weather Service has predicted 'life-threatening' cold overnight Friday and Saturday for much of the Northeast. Above, a car in floodwaters in Boston on Thursday

In the next 24 hours, the Northeast will be sent into a deep freeze that could cause roads and streets to be covered with a sheet of snow and ice for days. Above, more cars in floodwaters in Boston on Thursday

A woman watches as ocean waves overtop the seawall during a winter snow storm in the Boston suburb of Lynn, Massachusetts on Thursday 

Firefighter Justin Plaza pulls a rescued motorist to dry land, in Boston, Massachusetts on Thursday

The floodwaters were thigh-deep on this stretch of road in Boston on Thursday 

Firefighter's on dry land help man out of zodiac boat, in Boston, Massachusetts on Thursday 

The Boston Fire Department shared an image on Twitter of crew members saving a man whose car was floating in the ice water

'Firefighters come to the rescue of an adult male trapped by rising water,' the dept. tweeted. 'The firefighters… bringing the driver to safety. Please avoid these dangerously high waters.' The first responders were then seen carrying the man (pictured) to safety

The intense flooding (left) trapped some Boston residents inside buildings. 

One Boston resident shared a Snapchat video of someone kayaking through their icy street with a kayak. The video was captioned: 'Cai has fled the scene via kyak'

Drivers make their way along the flooded Beach Road after the ocean overtopped the seawall during a winter snowstorm in the Boston suburb of Lynn, Massachusetts on Thursday 

Boston firefighters wade through a street flooded from tidal surge during Storm Grayson in Boston, Massachusetts, U.S., January 4, 2018

Boston firefighters work at the scene of flooding from Boston Harbor on Long Wharf in Boston on Thursday

The Weather Channel on-camera meteorologist Jim Cantore stands at the Sandy Bay Yacht club as he reports on severe weather in Rockport, Massachusetts 

Lighthouse Road in Scituate, Massachusetts begins to flood as a massive winter storm begins to bear down on the region on Thursday

A wave crashes over homes on Lighthouse Rd. in Scituate, Massachusetts on Thursday as a massive winter storm begins to bear down on the region

Above, another view of water crashing over homes in Scituate, Massachusetts on Thursday 

JetBlue airplanes wait at the gates outside terminal five at John F. Kennedy International Airport on Thursday

A general view of the departures drop-off area at JetBlue, Terminal five, at John F. Kennedy International Airport on Thursday

Travelers wait inside terminal five at John F. Kennedy International Airport on Thursday. Flights in and out of the airport were suspended during the storm

As of 5pm, the winds had died down considerable. Earlier in the day, there were gusts as high as 76mph in parts of Massachusetts 

The worst of the snowfall is expected in northern Maine. New York City will get eight inches, which is enough to cause traffic chaos in the major metropolitan area

A rapid drop in pressure caused by a 'bomb cyclone' off the coast of the Northeast is causing the heavy snow and winds

 The highest winds are expected in coastal New England, specifically Boston and Cape Cod 

Temperatures will be remain well below freezing throughout the day all over New England 

Even after the snow is expected to stop, it will get even colder in the Northeast tomorrow, making clean-up almost impossible

Above are the current winter storm warnings throughout the region. The coastal areas are currently under blizzard warnings

Most of today's flight cancellations are centered in the New York City area. Newark Liberty in New Jersey has the most cancellations of any airport, followed by Chicago, JFK, Atlanta and LaGuardia

A satellite image shows the blizzard battering the Northeast, and snow still on the ground in the coastal Southeast 

NASA released maps on Thursday showing how unusually cold the U.S. is currently 

They also released a map comparing the weather in the U.S. to around the world 

On Plum Island, Massachusetts , residents were evacuated when a road connecting the island to Newburyport washed out. Residents were evacuated with a National Guard high-water vehicle

There was also significant flooding around the Plum Island Beachcoma

Yellow taxi cabs make their way through a snow-covered Times Square on Thursday  

The US National Weather Service warned that a major winter storm would bring heavy snow and ice, from Florida in the southeast up to New England and the Northeast on Wednesday and Thursday. Above, another view of Times Square on Thursday

A woman wears ski glasses as she walks through the snow toward the Atlantic Avenue-Barclays Center subway station during the morning commute on Thursday in Brooklyn, New York

A vehicle, right, driven by Orlando Igmat, of New Milford, New Jersey, sits in a snowbank after skidding off the Garden State Parkway on his way to work during a snowstorm on Thursday in Tinton Falls, New Jersey

Above, a view from the Statue of Liberty's torch as the snow storm started Thursday morning 

Pedestrians make their way across a plaza as strong winds blow the snow horizontally outside the National September 11 Memorial and Museum in New York, Thursday, Jan. 4, 2018

A handout photo made available by the Charleston International Airport on Thursday shows the effects of a rare snowfall at the airport

Crews clear snow from around the gates at Logan International Airport during a winter snow storm in Boston on Thursday

A notice board shows cancelled flights at Logan International Airport during a winter snow storm in Boston on Thursday

Da Thi Hoang and Searidang Pa wait at Logan International Airport, after successfully flying in from Los Angeles only to find their bus to Middlebury, Vermont was cancelled, during a winter snow storm in Boston on Thursday

A man shovels snow as traffic makes it's way through the Upper East Side of Manhattan on Thursday

Traffic makes it's way across 42nd Street as taxi cabs wait for passengers outside Grand Central Terminal on Thursday in New York 

Two young men who wished not to be identified, try to get their car unstuck after a storm passed the area on Thursday in Rehoboth Beach, Delaware

Parked vehicles along Newport Ave. in Norfolk, Virginia are covered in snow on Thursday

A DelDot truck plows snow along Delaware Route 1 in Rehoboth, Delaware on Thursday

The Holland Tunnel entrance sign advises 'Avoid Unnecessary Travel' on Thursday in New York City 

Snow falls over the Atlantic ocean at Bellport Marina as a blizzard hits the Northeast on Thursday

A woman makes her way along an above-ground Subway platform in Brooklyn on Thursday

A man uses a walker to get through snow elsewhere in the borough

It wasn't a good day for views at the Empire State Building, what with the whiteout conditions 

NYPD police officers chat on a snow-covered Brooklyn Bridge on Thursday in Brooklyn, New York. The snow conditions are so severe that Manhattan is not even visible on the other side of the bridge

A snow plow clears snow off Broadway in New York's Times Square on Thursday

Cars enter the Brooklyn Bridge on Thursday in Brooklyn, New York during a snow storm 

A ferry sails through whiteout conditions near Battery Park in lower Manhattan on Thursday

People walk through a snowstorm as they exit the Oculus at the Fulton Street transit hub beneath the World Trade Center in New York on Thursday

A man walks past snow plows as he makes his way toward the Atlantic Avenue-Barclays Center subway station in Brooklyn on Thursday

Children play in the snow in front of the New York Stock Exchange during a snowstorm in New York on Thursday 

Washington DC Fire and Rescue practice their ice and water rescues in the Tidal Basin near the Jefferson Memorial on Thursday

A nearly empty snow-covered roadway entrance to the George Washington Bridge between New Jersey and New York is seen during a snowstorm in Fort Lee, New Jersey on Thursday

Capitol Hill is seen with a dusting of snow compared to more brutal weather along the Mid-Atlantic coast on Thursday

This aerial photograph shows snow in Washington,DC with the Washington Memorial Monument in the distance on Thursday 

People make their way during a winter storm in New York on Thursday. Meanwhile, children in the city stayed home due to a snow day

An elderly woman makes her way through Times Square during a winter storm in New York on Thursday

White-out conditions are seen in Hull, Massachusetts on Thursday. Hull is located on narrow peninsula that extends into Boston Harbor and often bares the brunt of winter storms that hit the area

Deep sea fishing and scallop boats docked at the Fish pier in Boston, Massachusetts on Thursday

A news crew readies for a live shot in Copley square in Boston, Massachusetts on Thursday 

People walk through the streets of Boston as snow falls from a massive winter storm on Thursday 

Residents in Brooklyn brave heavy snowfall from Winter Storm Grayson on Thursday 

Steve McCarthy weathers the wind and snow as he strolls up North Main Street in Attleboro, Massachusetts on Thursday.

A jogger runs across the Brooklyn Bridge in New York City on Thursday 

A snow plough removes snow from the sidewalks in Times Square in below freezing temperatures in New York City on Thursday

People walk along a frozen Potomac River during a snow storm in Washington, DC on Thursday 

A homeless man sits on a steam grate for warmth alongside the National Mall during a snow storm in Washington, DC on Thursday

Freezing conditions in Buffalo, New York have caused water to freeze and turn into powdery ice crystals as it runs over Niagara Falls

FIVE-DAY NATIONAL WEATHER FORECAST