Intense rain and flash floods expected from New York City to Washington DC

Acting New Jersey governor declares state of emergency as residents along US east coast prepare for severe weather

Authorities are urging residents to prepare for severe weather as a powerful storm system that could cause intense flash floods moves through a swathe of the US east coast stretching from New York City to Washington DC.

Forecasters are predicting intense rainfall, with rates possibly reaching up to 3 inches an hour. While most areas are expected to receive 1 to 3 inches of rain, certain isolated locations could see as much as 5 to 8 inches.