Water disaster prevention information
To the TOP River monitoring camera Notice Glossary




y Glossary z

  1. Flood-fighting group standby level
    If the water continues rising above this point , over flood-fighting group standby level are put on standby.

  2. Flood caution level
    There is a possibility of flood damage occurring. If the water reaches this level, over flood-fighting group are mobilized.

  3. Evacuation judgment level
    This is the threshold where the water level is considered dangerous. If the water level reaches this point, the authorities recommend to start preparing for evacuation.

  4. Flood warning level
    Risk of flood is high. If the water level reaches this point, the authorities recommend evacuating the area.

  5. Cope level (Levee crown)
    It is the top of the dike or levee. If the water level rises above it, the river will overflow.



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