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Flash Floods Cripple Northeast Transit and Threaten Guanajuato’s Presa de la Olla Dam

Rescue teams are working around the clock in multiple U.S. states as Mexico’s authorities monitor dam levels ahead of more heavy rain.

A view shows a flooded subway station in New York, U.S., July 14, 2025, in this screengrab obtained from a social media video. Juan Luis Landaeta/via REUTERS  THIS IMAGE HAS BEEN SUPPLIED BY A THIRD PARTY. MANDATORY CREDIT. NO RESALES. NO ARCHIVES.

VERIFICATION LINES
Reuters was able to confirm the location of the video from the subway signs and ticket gates which matched file images. Reuters was able to confirm the date of the video from original file metadata.
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Overview

  • Emergency crews in New York, New Jersey, Pennsylvania and Virginia are evacuating flooded homes and vehicles after record-breaking July downpours.
  • New York City’s subway service has partially resumed following water damage to stations yet remains vulnerable under ongoing flash-flood warnings.
  • The Presa de la Olla dam in Guanajuato rose to near overflow, prompting municipal alerts and a 911 hotline for reporting high-risk areas.
  • Over 1,200 flights were canceled at LaGuardia, Newark Liberty, Reagan National and JFK, and more than 8,000 New Jersey residents lost power at the storm’s peak.
  • The U.S. National Weather Service and Mexico’s SMN warn that additional tropical waves and stalled thunderstorms could trigger new floods across the region.