A flood watch is in effect for Staten Island from 2 p.m. Monday through late Monday night. Heavy showers and thunderstorms will bring the potential for flash flooding, according to the National Weather Service.
The heaviest rainfall threat is expected to develop Monday afternoon and continue through Monday night.
The National Weather Service cautioned that rainfall rates Monday afternoon could reach as high as approximately two inches per hour during the most intense parts of the storm, making flash flooding a concern, particularly in urbanized areas and locations with poor drainage.
Heavy downpours remain possible into Tuesday, though no additional watches are currently in effect beyond Monday’s timeframe.
The Storm Prediction Center has placed Staten Island under a slight risk for severe thunderstorms, with a 2% chance of tornadoes developing.
The primary hazard from any severe storms would be damaging wind gusts. Atmospheric conditions support at least a marginal severe weather threat across the area Monday afternoon and evening.
Wednesday is expected to bring a return to more settled conditions with northwest flow and no significant precipitation anticipated.
The next round of unsettled weather is forecast for Thursday night into Friday, when an approaching cold front could trigger showers and thunderstorms.
Confidence in this system is increasing, according to the National Weather Service, whether severe weather will develop remains uncertain.