Tropical Storm Isaac ‘On Verge’ of Becoming Hurricane

Tropical Storm Isaac is on the “verge” of becoming a hurricane, according to the U.S. National Hurricane Center.

Maximum sustained wind speeds remained at 70 miles per hour, the NHC said in a statement on its website at 4:54 a.m. New York time. A tropical storm warning was extended westward to Cameron, Louisiana, the NHC said.

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