Heavy rainstorms and severe thunderstorms triggered widespread flash flooding and downed trees across multiple boroughs in New York City on Wednesday, overwhelming the municipal drainage infrastructure.
The intense deluge dumped approximately 2 inches of rainfall within a 20-minute window across large sectors of Brooklyn and Queens, according to reports.
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The National Weather Service issued a comprehensive flood advisory covering Manhattan, Brooklyn, Queens, and Staten Island, warning commuters against driving or walking through water-covered roadways.
Municipal officials stated that the storm forced water into the sewer system at an unprecedented rate of up to 6 inches per hour, rapidly surpassing the aged network designed to handle only 1.75 inches hourly.
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New York City Mayor Zohran Mamdani stated that the heavy rain completely overwhelmed the city's sewer system on Wednesday.
The rapid accumulation of water trapped commuter vehicles, flooded subway stations through leaking roofs, and forced residents to wade knee-deep through fast-moving torrents.
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The storm system also brought down trees and power lines across the region, cutting off electricity to more than 10,000 residents on Wednesday night, while leaving major roadways like the Long Island Expressway heavily blocked by debris.