Janet Silvera has family in Philadelphia and is trying to keep them informed as she shelters in a resort in Montego Bay.
Burlington County leaders said the Delaware River rose to a record high of 11.9 feet on Wednesday morning.
The volunteers are driving down an emergency response vehicle, which will provide feeding, information and supplies throughout the streets of the damaged areas.
Pfizer said its large complex in Rocky Mount was damaged by a twister that tore through Nash County.
An ABC News sound technician got a shovel and started digging when two security detail members heard a dog crying from under a home.
"We're hoping this is it with the tornados. This is enough already," said one NJ resident.