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Cyclones, hurricanes and typhoons Maintained by FAO-FI  
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Cyclones, hurricanes and typhoons
 
Cyclone Nargis approaches Myanmar
Photo title: Cyclone Nargis approaches Myanmar
Photo credit: Sentinel Asia - Flood Monitoring Service
Tropical Cyclones are low pressure systems that form over warm tropical waters and have gale force winds (sustained winds of 63 km/h or greater and gusts in excess of 90 km/h) near the centre. Severe tropical cyclones are called hurricanes or typhoons in some parts of the world. Tropical cyclones are dangerous because they produce destructive winds, heavy rainfall with flooding and damaging storm surges that can cause inundation of low-lying coastal areas.
 
Storm surges and tides
 
Storm Surge with cyclone
Photo title: Storm Surge with cyclone
Photo credit: Bureau of Meteorology, Australian Government
Potentially, the most destructive phenomenon associated with tropical cyclones that make landfall is the storm surge. In Myanmar, on 3 May 2008, a storm surge from Cyclone Nargis of a 3.5 m high wave flooded low lying regions of the Ayeyarwady (Irrawaddy) Delta. The removal of mangrove forests, which serve as a buffer between the rising tide, big waves and storms and residential areas contributed to the death toll. Saltwater flooding of the delta will damage future planting of rice for the foreseeable future.

For more information on Cyclone dangers and impacts, storm surge and tides, naming of cyclones and the severity categories of Tropical cyclones, See More .
With acknowledgement to the Bureau of Meteorology, Australian Government.
 
 
 
 
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NOAA Announces Up to $47 Million for Hurricane Damage to Fisheries in Louisiana and Texas
by NOAA
18 November 2008

NOAA’s Fisheries Service today announced the state of Louisiana will be eligible for up to $40 million and Texas will be eligible for up to $7 million in disaster aid to restore and rebuild the states’ fish habitats and fishing industries devastated by hurricanes Gustav and Ike.
Read more at http://www.noaanews.noaa ... unds.html.
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