FLOOD - A flood is an abnormal progressive rise in the water level of streams or rivers which may result in overflowing. Floods in the Caribbean can often be caused by heavy rainfall, dam or levee failures, tsunamis, storm surges or burst water mains.
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Warning Bulletins

These are issued to alert the public that a flood is likely or presently occurring. Official announcements are made before, during and after the flood ensuring that the public knows precisely what is occurring in their area.

The bulletins should include information on:

  • The present and expected situation of the cause of flooding
  • Present and forecasted water levels
  • Areas likely to be affected
  • Recommended precautionary measures for the period before during and after the flood
  • Information on when the next bulletin is expected

Flood Watch

This is the period when conditions favorable for flooding are expected or ongoing. During this time flood monitoring, data collection, and assessment of probability of flooding occurs. After this, the relevant information is then released to the public.

Flood Warning

This is issued when conditions indicate that water levels will exceed the alert level within 24 hours. The flood watch changes into a flood warning and the relevant information is then released to the public.


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12 inches of water can cause you to lose control of your vehicle.
New land development can increase flood risk, especially if the construction changes natural runoff paths.
In cases of severe flooding, water can take weeks to subside.
Large volumes of water can cause roadbeds to collapse.
Deforestation can cause flooding.
Flooding is the most common natural hazard.
Flash-flooding can occur within minutes.
Dams and levees are built to prevent flooding.
Flooding can cause millions of dollars in damage.
6 inches of moving water can sweep you off your feet.
Oil, and other chemicals carried in floodwaters can ruin crops and be hazardous to your health
When soil gets saturated with water, landslides may occur
More people die from drowning in fresh water floods during a hurricane or storm, than from any other cause.