Henri’s Flooding Rainfall Threats Linger Over the Northeast on Monday

By weather.com meteorologists 4 hours ago

4 hours ago

At a Glance

  • Henri is inland over the Northeast and is now a tropical depression.
  • Locally heavy rain could trigger more flooding in the region.
  • Major flash flooding occurred this weekend in parts of New Jersey and the New York City metro area.

Henri could bring more locally heavy rain and possible flooding to parts of the Northeast on Monday as the system continues to wind down.

The remnant circulation center of Henri will move generally eastward today over New England, as it eventually gets caught up on the southern edge of the jet stream. That will allow the system to wring out more bands of locally heavy rainfall over parts of the Northeast.

Additional rainfall totals from Henri are expected to be 1 to 3 inches (locally higher) on Monday from southeast New York, New Jersey and eastern Pennsylvania to parts of New England, according to NOAA’s Weather Prediction Center.

Flash flood watches have been issued by the National Weather Service for this general region.

Some of these areas are already saturated from Henri’s flooding rainfall over the weekend, particularly from the New York City metro into parts of New Jersey and northeast Pennsylvania.

Flood Alerts

Henri’s Recap

Henri was born as Tropical Depression Eight east-northeast of Bermuda on Aug. 15, then became a tropical storm the following afternoon.

While initially expected to curl northeast away from the U.S. East Coast, the forecast began to trend toward a New England brush, if not outright landfall, as Henri fell under the influence of a swirl of low pressure tens of thousands of feet above the ground arriving from the Ohio Valley into the mid-Atlantic states.


Henri then became a hurricane on Aug. 21 when it was less than 200 miles east of Cape Hatteras, North Carolina.

After crossing past the warm waters of the Gulf Stream, Henri began weakening and was downgraded to a tropical storm on Aug. 22 before its southern New England landfall.

Quick Oats (22 servings)

The center of Henri moved ashore around 12:15 p.m. Sunday in southwest Rhode Island near the town of Westerly, about 40 miles southwest of the state’s capital city, Providence.

Maximum sustained winds at landfall were 60 mph, according to the National Hurricane Center.

Wind gusts from 60 to 70 mph were clocked along the coast of Rhode Island around landfall Sunday. Great Gull Island off the eastern end of Long Island clocked a 72 mph gust.

Trees and wires were downed in parts of Rhode Island, Connecticut and Massachusetts. Over 100,000 customers lost power Sunday in New England, New York and New Jersey, according to poweroutage.us. (Click Here)

The most destructive impacts, so far, have been from rainfall flooding over 100 miles from the center of Henri.

Up to 9 inches of rain drenched parts of New Jersey Saturday night into Sunday morning, triggering major flooding in several areas.

In Middlesex County, numerous roads were closed and vehicles submerged. Homes were flooded with 3 feet of water in Cranbury, some residences and businesses were flooded in Milltown, and evacuations were needed in Helmetta.

Rainfall and Flash Flood Reports(The blue dots indicate reports of flash flooding from the National Weather Service. Heavier rainfall totals from Henri appear as yellow, orange and red contours. )

Heavy rain also triggered flooding in the New York City metro Saturday night, including in Brooklyn, Hoboken and Newark. Saturday night’s deluge was the heaviest one-hour rainfall on record at New York’s Central Park, where almost 2 inches of rain fell in one hour.

Another band of soaking rain set up over the New York City Tri-State area Sunday afternoon into the evening, flooding stretches of the Bronx River, Sprain Brook and Taconic State Parkways. Parts of New York City’s five boroughs picked up 6 to 8 inches of rain through late Sunday afternoon. (Click Here)

(Click to Source)

Water floods a home and the street around it during Tropical Storm Henri in Groton, Conn., on Aug. 22, 2021. (Joseph Prezioso/AFP via Getty Images)

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