The warning emphasized caution to prevent lives being lost while attempting to drive through flooded areas, a recurrent risk in flash flood events. Residents were encouraged to report observations of flooding—including mudslides or submerged roads—via the NWS Blacksburg Facebook page, X or telephone when safe to do so.

On Thursday at 2:09 p.m. the National Weather Service issued a flash flood warning in effect until 6:15 p.m. for Delaware County.

The National Weather Service released an updated flash flood warning at 2:37 p.m. on Thursday in effect until 5:30 p.m. for Bergen, Essex, Hudson and Passaic counties.