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  2. What are flash floods? Flash flooding happens when rain falls so fast that the underlying ground cannot cope, or drain it away fast enough. Roads can become like rivers and if there is a...

  3. Oct 5, 2021 · What is flash flooding? Flash floods usually happen during intense rainfall - when the amount of water is too much for drains and sewers to deal with. It can occur very quickly and without much...

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  4. Oct 5, 2021 · Flash floods usually happen during intense rainfall - when the amount of water is too much for drains and sewers to deal with. It can occur very quickly and without much warning.

  5. en.wikipedia.org › wiki › Flash_floodFlash flood - Wikipedia

    A flash flood is a rapid flooding of low-lying areas: washes, rivers, dry lakes and depressions. It may be caused by heavy rain associated with a severe thunderstorm, hurricane, or tropical storm, or by meltwater from ice and snow.

  6. Mar 24, 2023 · Flash flooding is weather’s No. 2 killer, claiming more lives than anything but heat, so it’s important to understand what causes it and how to stay safe.

  7. A flash flood is a rapid rise of water along a stream or low-lying urban area. Flash flooding occurs within six hours of a significant rain event and is usually caused by intense storms that produce heavy rainfall in a short amount of time.

  8. Mar 7, 2023 · Flash floods are a growing threat in some of the worlds driest regions. Deluges can trigger sudden and rapid torrents of run-off that flow down dry river beds and rocky channels.

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