At 2:04 a.m. on Thursday, the National Weather Service released a coastal flood advisory valid for Friday between 6 p.m. and 11 p.m. for Manhattan and Staten Island.

The weather service comments, "If travel is required, allow extra time as some roads may be closed. Do not drive around barricades or through water of unknown depth. Take the necessary actions to protect flood-prone property."

Understanding the differences between advisories, watches, and warnings

Flash flood warning: Take action!

A flash flood warning is issued when a flash flood is either imminent or already occurring. In flood-prone areas, it's crucial to move immediately to higher ground. A flash flood is a sudden and violent inundation that can develop within minutes to hours, and it can even happen in areas not curre

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