TRENTON — Thunderstorms that rumbled through New Jersey in the early morning hours of Monday left thousands without power.

"It was quite the 'electric' night across South Jersey, with almost constant lightning and thunder from the storms that rolled through. Heavy rain caused pockets of flash flooding and a Tornado Warning was issued for Atlantic County, as a brief (unconfirmed) spin-up popped up on radar," according to Townsquare New Jersey Chief Meteorologist Dan Zarrow.

(Zach Collins, Townsquare Media NJ)

The storms also contained heavy rain, with nearly five inches falling in Washington Township in Gloucester County, and over four inches in Ship Bottom on Long Beach Island, according to the National Weather Service.

Eight students at the Triad apartment on the campus of Rowan University were flooded out by the heavy rain, according to spokeswoman Barbara Baals. She said Glassboro firefighters were working to pump put the first floor rooms of the four-story building.

The Glassboro Fire Department said on their Facebook page they pumped out 4,000 gallons of water per minute on Monday morning from the basement and surrounding parking lot.

According to the respective outage maps of the state's major utilities, over 5,800 customers were in the dark as of 8:30 a.m.

  • JCP&L: 1,789 mostly in Hunterdon & Monmouth counties (Lambertville and Middletown)
  • PSE&G: 2,265 mostly in Burlington (Delanco and Delran) and Camden counties (Cherry Hill)
  • ACE: scattering (140)

The overnight storms also knocked down a tree onto NJ Transit's Montclair-Boonton Line, causing a suspension of service between Hackettstown and Mount Olive. Service was restored by 7 a.m.

A second tree fell on the overhead wires between Long Branch and Hazlet on the North Jersey Coast Line after 8 a.m. creating 45 minute delays.

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Radar shows overnight storm activity (AerisWeather/Townsquare Media NJ)

Contact reporter Dan Alexander at dan.alexander@townsquaremedia.com.

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