Fla. Keys Evacuate After Ivan Kills 15

All tourists and recreational vehicles were urged to evacuate the Florida Keys early Thursday because the powerful Hurricane Ivan could hit the island chain by Sunday. Ivan became a Category 5 hurricane overnight with winds up to 160 mph. Ivan over the southern Caribbean Sea Wednesday. South America is at the bottom of the photo. Forecasters say it could continue to strengthen as it moves toward Jamaica, where it is expected to make landfall Friday or Saturday before heading on to Cuba and then possibly Florida. At 8 a.m. ET, Ivan‘s center was about 455 miles southeast of Kingston, Jamaica, or about 1,000 miles southeast of Miami. (Related Ivan maps: Projected path, advisories, track) National Hurricane Center forecasters predict that Ivan could hit the Florida Keys as a Category 4 hurricane, with winds of 131 to 155 mph, late Sunday or early Monday.