Harrisburg, Pennsylvania, will be at risk for storms bringing flash and urban flooding, as well as damaging wind gusts and hail through Tuesday.
Downpours and storms can be intense enough to delay travel with the worst of the storms during the afternoon and early nighttime hours.
Motorists should be prepared for blinding downpours and flooded roadways.
As the strongest storms sweep through the metro area, a ground stop could occur at area airports.
A small number of the storms can down trees and cause sporadic power outages.
Seek shelter as storms approach as the greatest danger to those outdoors will be from lightning strikes.
The risk of flooding downpours and thunderstorms will shift eastward on Wednesday, but beaches from Florida to Maine will still be at risk for disruptions.
The storms are begin driven by a dramatic change to cooler weather over the Midwest.
While the core of the cool air will hold up in the Appalachians and the Midwest this time, the air will turn much less humid during the second half of the week and will allow rather low nighttime temperatures for the middle of July around the city.
Snow will swing across parts of the central and northern Plains to the Upper Midwest as November ends and December begins.
As millions head home from their Thanksgiving ventures the weather may cause trouble on the roads and at the airports from the southern Appalachians to the central Rockies on Sunday.
The reprieve from heavy rain across southern India will not last with the threat for flooding downpours set to return for the final days of November.
The first widespread ice storm of the season will slowly diminish over parts of the southern and central Plains, but areas of slippery travel will continue into Sunday morning.
An active storm track across northern Europe will bring more wind and rain across Germany into the new week.
Several days of heavy rain will bring the potential for significant flooding from the southern Plains to the middle Mississippi Valley into early next week.
New England (1945)
Severe "nor'easter" in New England - winds in Boston averaged 40.5 mph over a 24-hour period. The rain changed to snow which accumulated to 16 inches in interior New England. Thirty-tree deaths were attributed to the storm.
November 1972 was one of the wettest on record for the Northeastern U.S. As of the 27th, NYC had its wettest November ever with 11.36 inches. This broke the old record of 9.97 inches. Binghamton, NY, had a monthly total of 7.11 inches -- the wettest November in the 75-year history of record keeping at Broome County Airport. Binghamton also had 19.4 inches of snow -- exactly a foot above normal.
Minneapolis, MN (1983)
With 13 inches from the latest storm - set new monthly record snow for snow with 29 inches. This record was broken during November 1991.