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Flood Warnings

Public flood warnings combine rainfall forecasts and river-level measurements. They give people time to move to safety.

In the picture

  1. A wall screen: coloured rain patches and a rising line showing the rainfall forecast.
  2. A rain gauge: a clear tube that collects rainwater to measure how much has fallen.
  3. A river gauge: a marked post in the water showing the river’s height.
  4. A loudspeaker: a device that broadcasts a spoken warning.
  5. A telephone: a handset for calling and receiving updates.

Examples

  • A phone alert buzzes after heavy rain, telling you to avoid a flooded road.
  • A town siren sounds when a river rises, and residents move to higher ground.

Quiz: Flood Warnings (Age 13)

  1. What two kinds of information do public flood warnings combine?

    • Temperature records and wind speeds
    • Rainfall forecasts and river-level measurements
    • Traffic reports and building heights
  2. Why are early flood warnings important?

    • They guarantee that rivers will not flood
    • They give people time to move to safety
    • They remove the need for rain gauges
  3. What does a river gauge show?

    • How much rain has fallen
    • The spoken warning message
    • The river’s height

The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.

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Age 13