Severe storms cause flooding and tornado damage in New York, New Jersey and Delaware

Severe storms cause flooding and tornado damage in New York, New Jersey and Delaware

The National Weather Service said heavy rain and strong winds August 20, triggered flooding, stranded motorists and power outages across New York, New Jersey and Delaware, and a tornado struck Dover, Delaware, prompting officials to declare a state of emergency and close roads. Earlier that evening, local officials reported the tornado hit Dover shortly after 6 p. m.

, causing extensive damage, knocking down trees, disrupting traffic and leaving many without power, which led to the emergency declaration. The severe storm system also produced flash flooding and travel disruptions throughout the broader Northeast region.

Acteurs

National Weather Service (Mount Holly office) Dover Police Department first-responders utility crews local officials

Lieux

Dover, Delaware, United States Mount Holly, New Jersey, United States

Articles

21 août 2026
6 au total
Tornadoes pummel New York’s Long Island and Delaware capital
Tornadoes pummel New York’s Long Island and Delaware capital

The Guardian • 21 août 16h16

Tornadoes touched down on Long Island, New York, and in Dover, Delaware, amid heavy rain, causing damage to beach clubs and buildings, while flash flooding stranded motorists and forced road closures.

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Tornadoes touch down in New York and Delaware
Tornadoes touch down in New York and Delaware

BBC • 21 août 14h35

Tornadoes touched down in New York and Delaware as heavy rain and strong winds battered the Mid-Atlantic region.

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Storms and possible tornadoes pound the Northeast US
Storms and possible tornadoes pound the Northeast US

AP News • 21 août 04h56

Heavy rain and strong winds on Thursday triggered flooding, stranded motorists and power outages across New York, New Jersey and Delaware, with officials reporting possible tornadoes and extensive property damage.

Crédibilité 78% Manip. 8% Centre
'Significant damage' after possible tornado in Delaware as severe storms roil Northeast
'Significant damage' after possible tornado in Delaware as severe storms roil Northeast

ABC News - Breaking News, Latest News and Videos • 21 août 03h02

A likely tornado struck Dover, Delaware on Thursday evening, causing extensive damage and prompting a state of emergency, while severe storms and flash flooding affected the broader Northeast region.

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State of emergency declared in Dover due to damage following tornado warning
State of emergency declared in Dover due to damage following tornado warning

6abc Philadelphia • 21 août 02h35

A tornado that touched down Thursday night prompted Dover officials to declare a state of emergency as crews address downed trees, flooded roads and structural damage across the city.

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Tornado strikes Delaware capital, prompting state of emergency in Dover
Tornado strikes Delaware capital, prompting state of emergency in Dover

FOX Weather • 21 août 00h04

A tornado struck Dover shortly after 6 p.m. on Thursday, causing extensive damage, power outages and traffic disruptions, leading officials to declare a state of emergency.

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