Round-up: East Coast storm battering New England, some snow on backside

The powerful, moisture-laden East Coast storm has reached the Northeast, with wind-driven rain pelting coastal areas.  A narrow ribbon of snow wraps around the storm on its west side from western New York through central Pennsylvania and as far south as western South Carolina.


Water vapor animation of East Coast storm (National Weather Service)

The storm’s most significant impacts span from New York City to Boston, where the combination of very high winds and rain is disrupting both air and rail travel.

 

 

Wind gusts have gone over 50 mph on Long Island, and approached 50 mph at both JFK and LaGuardia airports near New York City.

Link: Rainfall totals and wind gusts around New York City/Long Island/southern Connecticut

In southern New England, wind gusts have reached similar levels to those around New York.  Providence gusted to 47 mph before dawn, and readings exceeding 60 mph were logged in Milton,  Massachusetts.

 

Link: Rainfall totals and wind gusts in southern New England

Strong winds and heavy rain will continue to lash coastal areas from the Mid-Atlantic through New England into the afternoon, but taper off by evening, south to north. Expect continued delays at major hubs along the I-95 corridor.

Link: Flight Delay Information – Air Traffic Control System Command Center

The storm has transported a tremendous amount of heat and energy up the East Coast. So much heat that snow changed over to rain on the summit of Mt. Washington, and a severe thunderstorm warning was issued for Cape Cod.

But on the storm’s backside, cold air has rushed southward. Not long before Mt. Washington changed over rain, it was snowing in Atlanta, Georgia (briefly, around 6 a.m.).

 

Rare pre-Thanksgiving snow has also fallen in the western Carolinas. The snow extends north through Southwest Virginia into central Pennsylvania and western New York.

For the most part, this wrap-around snow has not been particularly disruptive, with accumulations mostly on grassy areas, except in the mountains. Bands of wet snow are likely to shift east and northeast this afternoon, but with accumulations generally under 1″ on grassy areas, with some higher amounts in the mountains from West Virginia and Virginia into New York.

Jason is currently the Washington Post’s weather editor. A native Washingtonian, Jason has been a weather enthusiast since age 10.
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Justin Grieser · November 27, 2013

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