When it rains, it pours.
New York City could get drenched by more than four inches of rain as an “unusually powerful storm” is set to get underway Tuesday, according to forecasters.
The Big Apple is under a flood watch from Tuesday morning until Wednesday morning as rounds of showers and thunderstorms are expected to dump 2 to 4 inches of rain citywide.
The storm system will have the perfect combination of low pressure and atmospheric moisture to allow for heavy rainfall across the five boroughs, Senior AccuWeather Meteorologist Matt Rinde told The Post.
“It looks like it is going to be an unusually powerful storm for this time of year. Usually, you don’t get a developing low pressure in the Northeast in the late part of July,” Rinde said. “It’s something that you’d see more toward the fall months, so that is an unusual aspect of the storm.
The greatest chance of heavy downpours will start Tuesday afternoon and continue into the evening and early Wednesday morning — with a chance of localized flooding across the Big Apple.
Bands of rain could also linger over parts of the city for extended periods and dump intense rainfall.
“Part of the challenge with this storm will be that at some point it is going to kind of pivot. And when it does that, it is going to produce a band of rain that is likely to hold over an area for a longer period of time,” Rinde added.
Damaging wind gusts of 25 to 30 miles per hour may also batter the city, downing power lines and trees, the National Weather Service said.
The “gustier winds” are expected when the storm starts on Tuesday, but the risk will drop off into Tuesday night and Wednesday, according to Rinde.
New Yorkers should avoid walking or driving through floodwaters, and basement-dwellers should prepare by knowing their exits and being ready to move to a higher floor, New York City Emergency Management warned in a post on X.
The intense rainfall comes just over a week after flash flooding turned much of the city — including the bustling streets of SoHo — into an underwater nightmare.
The heavy downpours on July 18 also forced ground stops at the city’s busiest airports and shut down major expressways.
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