Ministry of Disaster Management and Human Rights  
 
 
 
    Department of Meteorology - Sri Lanka Meteorological Service..... Weather affects every day life..... 
   
  Home
 
    Floods  
   

 

What is a Flood?


A flood is a progressive rise in the water level of streams or rivers, which may result in overflowing.

What is a flash flood? - A flash flood is a sudden and extreme volume of water, which flows rapidly and causes inundation and because of nature, is difficult to forecast.

What are the causes of floods? - Floods are caused by heavy rainfall, dam or levee failures, torrential rains from cyclones, tsunamis, storm surges or burst water mains.

What other types of floods exist? - River Floods and Coastal Floods

Safety Tips:

Before A Flood

1. Know the flood warning system in your community and ensure that your family knows the warnings.
2. Learn all you can about flooding.
3. Monitor weather conditions.
4. Keep materials such as lumber, plywood, nails, ropes, wires, plastic sheeting, sandbags, etc on hand..
5. Keep a portable transistor radio with spare batteries and emergency equipment.
6. Store all chemicals away from flood waters.
7. Store livestock feed and supplies above expected water levels.


During a Flood Warning:


1. Listen to radio for emergency instructions.
2. Watch for rapidly rising water..
3. Store drinking water in sealed plastic containers, as water service may be interrupted.
4. Move household items to higher levels.
5. Get livestock to higher ground.
6. Evacuate if necessary when it is safe to do so. Do not try to save your possessions, get out quickly.
7. Turn off electricity at the main switch before evacuating.


During a Flood:


1. Avoid areas subject to flash flooding.
2. Do not attempt to cross-rivers or flowing streams where water is above the knees..
3. Beware of water-covered roads and bridges..


Livestock Protection
Animals can swim well. Do not leave them in confined areas or pens. Open gates so animals can escape.

After the Storm:

1. Re-enter buildings with caution. Use flash lights not lanterns or torches as flammables may be inside.
2. Be alert for fire hazards such as broken electricity wires.
3. If the building has been under water, do not switch on the main, wait for professional assistance. Never touch electrical switches while wet or standing in water .
4. Do not use appliances or equipment until they have been cleaned, dried and thoroughly checked for damage.
5. Report broken utility lines (electricity, water, gas and telephone) to the appropriate authorities.
6. Boil all water and do not eat left over food until it is checked for contamination.
7. Keep away from disaster areas as your presence may hamper rescue efforts.



© 2008 - Department of Meteorology, 383, Bauddhaloka Mawatha, Colombo 07, Sri Lanka.
Best View - 1024x768 | Disclaimer| Site Map | Comments and Suggestions