What does areal mean in a flood warning?

Areal flooding is flooding that takes place gradually as a result of prolonged and persistent rainfall. "Areal" is an adjective referencing a particular "area" or region. Another type of flooding is flash flooding (which occurs quickly and usually as the result of rapidly overflowing creeks and streams.) The difference between a flood watch and a flood warning is in the certainty of the event. A watch is issued when a flood might happen; a warning is issued when a flood will--or is--happening.
Updated on Wednesday, February 01 2012 at 10:52AM EST
Collection: tropical cyclones 

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