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Following Hurricane Isaac

Isaac, a massive tropical storm currently headed toward the Louisiana coast, is expected to make landfall as a hurricane with effects could reach out 322 kilometres from its centre.
Senior hurricane specialist Stacy Stewart tracks Isaac at the National Hurricane Center in Miami on Tuesday. Forecasters warned that Isaac, especially if it strikes at high tide, could cause storm surges of up to 3.6 metres in some areas. (Alan Diaz/Associated Press)

Isaac, a massive storm currently headed toward the Louisiana coast, is expected to make landfall as a hurricane with effects could reach out 322 kilometres from its centre.

U.S. President Barack Obama has warned area residents to expect flooding, and not to "tempt fate" if evacuation orders are issued.