Heavy rains and high winds have combined to cause power outages, flooding and evacuations in the mid-Atlantic region.
Up to four inches of rain have fallen across the area from yesterday afternoon into this morning.
A sinkhole up to 30 feet wide and 10 feet deep has forced the evacuation of three homes in the Washington suburb of Camp Springs, Maryland.
Two people were hurt when high winds in Chesapeake Beach, Maryland, caused one house to collapse into another.
Maryland officials say some areas of the state have up to two feet of standing water.
In Delaware, authorities have helped evacuate coastal communities because of high tides and heavy rains that have flooded roads.
Tens of thousands are without power in Maryland, Delaware and Virginia.