This extreme and rapid change in pressure forms a very strong storm, or the so-called "bomb cyclone".
"Driving conditions will remain hazardous over the coming days, with black ice an ongoing concern through the weekend", Cooper said, adding the storm has caused hundreds of auto accidents.
In all, up to 16 inches of snow is expected in Boston, with more in Northern New England, but locals are taking it in stride.
Forecasters say snow could extend even father west that originally thought from a storm moving off the SC coast.
So far, utilities have reported fewer than 10,000 power outages in the storm.
A frozen fountain in Bryant Park New York on Jan 3 2018
Farther inland in the Mid-Atlantic, near Interstate 95, the storm's exact track will be highly consequential. A bomb cyclone is an area of low pressure that drops at least 24 millibars in a 24 hour period. "For comparison, Hurricane Sandy had a minimum central pressure of about 946 millibars when it made its left hook into New Jersey in 2012". Low around 22. East wind 5 to 13 miles per hour becoming north after midnight. According to the National Oceanic and Atmospheric Administration, it "occurs when a midlatitude cyclone rapidly intensifies", or quickly drops in atmospheric pressure, marking the strengthening of the storm. "We are expecting some really cold temperatures and wind chills", Andrew Hagen, a meteorologist with the National Weather Service in Miami said Wednesday night. As The Washington Post notes, the storm could resemble a "winter hurricane" with damaging gusts and blizzard conditions.
From north to south cold weather is wreaking havoc in the US.
The airport said flight operations would not resume until the Air Force determines the runways are safe for aircraft and passengers. Highs will push toward the 30-degree mark. Most of the snow will happen along the coast today and tomorrow, and then very cold winds will hammer the northeast USA, possibly bringing record-shattering freezing temperatures on Friday and over the weekend.
Temperatures will continue to climb Friday and Saturday into the mid-50s with mostly and partly sunny skies.
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London has spent nine seasons in the National Football League - the past four as Houston's running backs coach. The Bears defense finished in the top ten in both yards and points allowed in 2017 while forcing 22 takeaways.