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Weather Encyclopedia
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Flooding | | Weather Encyclopedia | |  Flood Warning TermsFlood Watch
high flow or overflow of water from a river is possible in the given time period. It can also apply to heavy runoff or drainage of water into low-lying areas. These watches are generally issued for flooding that is expected to occur at least 6 hours after heavy rains have ended.Flood Warning
flooding is actually occurring or is imminent in the warning area.Flash Flood Watch
flash flooding is possible in or close to the watch area. Flash Flood Watches are generally issued for flooding that is expected to occur within 6 hours after heavy rains have ended.Flash Flood Warning
flash flooding is actually occurring or is imminent in the warning area. It can be issued as a result of torrential rains, a dam failure, or ice jam.
If you live near the ocean, you should also be aware of the following alerts:Coastal Flood Watch
the possibility exists for the inundation of land areas along the coast within the next 12 to 36 hours.Coastal Flood Warning
land areas along the coast are expected to become, or have become, inundated by sea water above the typical tide action. |
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