The National Weather Service issued a flood warning at 9:07 p.m. on Monday in effect until Tuesday at 12:15 a.m. for Bergen County.

New Yorkers in basement apartments were told to be ready to leave and New Jersey’s governor declared a state of emergency after heavy rains in the northeast caused flash flooding, officials said

A flash flood watch has been issued for much of the Tri-State Area on Monday. It takes effect at 2 p.m. and lasts until at least midnight. It's a First Alert Weather Day, as we track downpours, thunderstorms and the enhanced risk of flash flooding across portions of New Jersey.

Federal regulators repeatedly granted appeals to remove Camp Mystic’s buildings from their 100-year flood map, as the camp operated and expanded in a dangerous flood plain.

The camp where 27 girls died successfully challenged initial risk designations by US regulators, according to reports.