CNN Wire Staff
[cnn-photo-caption image=http://i.cdn.turner.com/cnn/2010/US/07/22/tropical.weather/t1larg.td3cone.noaa.jpg caption="Louisiana declares emergency as storm approaches" width=300 height=169]
A weather system moving over the southern Bahamas has been upgraded to a tropical storm, with sustained winds now reported at 40 miles an hour, as it heads toward the southern tip of Florida and the Gulf of Mexico.
The system has been named Tropical Storm Bonnie. At 8 p.m. ET, it was moving northwest at 14 miles an hour over the central Bahamas, according to the National Hurricane Center.
It could pick up strength as it moves over the long stretch of open water in the Gulf of Mexico, but the latest computer models do not show it becoming a hurricane, according to CNN meteorologist Chad Myers.
Filed under: Gulf Oil Spill
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