What is flash flood?

Flash floods are becoming more and more common around the world as global warming worsens.

But what exactly is flash flood? This is all you need to know …


Land Rover Discovery’s brave driver runs through the floods of Barking’s Renwick RoadCredit: The Sun

What is flash flood?

Flash floods are when it rains very quickly and the underlying ground cannot handle it, or it rains fast enough.

When flash floods occur, roads can look like rivers.

If there is a lot of water, the building can be flooded and cars can be carried away.

People need to cover highlands because flash floods can be life-threatening.

What was the most destructive flash flood?

August 11, 1979-India

The most deadly flash flood in history occurred on August 11, 1979 in Gujarat, India.

It occurred when a dam on the McCou River burst after several days of heavy rain.

The waves flooded the entire surrounding area within 20 minutes, killing an estimated 1,800 to 25,000 people.

It is listed in the Guinness Book of Records as the worst dam failure in history.

July 2010-Pakistan

In 2010, the monsoon season struck Pakistan’s Khyber Pakhtunkhwa, Sindh, Punjab, and Balochistan regions.

Heavy rains meant that about 20 percent of the country was affected by the floods.

An estimated 1,400 people have died and 10 million have lost access to safe drinking water.

May 31, 1899 United States

The most deadly flash flood in the United States was the May 31, 1899 Johnstown flood in Pennsylvania.

More than 2,200 people have died after the collapse of South Fork Reservoir.

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What is flash flood?

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