Winter storm: Cold blast brings heavy snow to the Northeast and deep freeze to the South

About 4 to 8 inches of snow are forecast from the southern Appalachians to New England Saturday into early Sunday. However, areas of high elevation in the interior Northeast could see up to a foot of snow.

Eight inches or more already had fallen by late Saturday morning in parts of eastern Kentucky, southeastern Ohio, West Virginia, western Pennsylvania and upstate New York.

Especially intense snowfall — 1-2 inches per hour — are possible into early afternoon in parts of eastern Pennsylvania, northern New Jersey, eastern New York state, and western New England.

“New Yorkers should do their best to stay off the roads during this time,” New York Homeland Security and Emergency Services Commissioner Jackie Bray said Friday ahead of the storm.

Lines of thunderstorms hit elsewhere in the East Saturday, including Florida and the Carolinas. And the whole system has been accompanied and followed by strong, potentially damaging winds.

Wind advisories were in effect early Saturday afternoon for more than 90 million people from the Gulf Coast to the Northeast, where gusts of up to 50 mph are possible through Saturday evening.

Winds already have interrupted electric service. By 10:45 a.m. ET Saturday, more than 280,000 homes and businesses were without power from the South to the Northeast — with the majority in North Carolina, Georgia, Florida, Pennsylvania and Virginia, according to
A few thunderstorms capable of damaging winds and an isolated tornado still are possible Saturday afternoon over central Florida, according to the Storm Prediction Center.
Travel disruptions are expected for drivers and airline passengers alike. More than 1,120 flights within, into or out of the US have been canceled for Saturday, according to the tracking website FlightAware.

Metropolitan areas along the coast, including Washington, DC, Philadelphia, New York and Boston are expected to collect rain and then some snow and sleet Saturday, though they will avoid the worst accumulations. Philadelphia may receive 2 to 4 inches of snow and sleet, with the other cities accumulating less, forecasters said.

Deep freeze coming to the South

A lobe of frigid air will sag deeply into the US following Saturday’s snow and rain, bringing freezing temperatures as far south as Florida.

March started out quite mild in the Eastern US and even downright warm in the Southeast. Many locations set record highs in the 70s and 80s as recently as last Sunday and Monday. The warmth has prompted many trees, flowers and crops to begin blooming already.

But Saturday’s storm system will bring plummeting temperatures and frigid air from Canada all the way down to the Gulf Coast. Locations from Louisiana to South Carolina and southward into Florida are expecting a deep freeze Saturday night into Sunday morning. Many of these locations will experience a hard freeze, with several hours below 28 degrees.

Low temperatures in the low to mid-20s and below freezing for a significant duration in much of the Deep South will threaten the vulnerable vegetation that already bloomed there.

“Freeze conditions will kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing,” the National Weather Service in Birmingham, Alabama, said.

Expected low temperatures for Sunday
More than 25 million people in the South are under freeze warnings Saturday night into Sunday. Cities under the watch include New Orleans; Jackson, Mississippi; Birmingham, Alabama; Atlanta; and Tallahassee and Jacksonville in Florida.

Temperatures will be in the teens for the Tennessee Valley into the Mid-Atlantic and Northeast, but freeze warnings are not issued for these locations because the growing season has not begun.

CNN’s Haley Brink, Melissa Alonso, Aya Elamroussi and Derek Van Dam contributed to this report.

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