Carlotta has strengthened to a Category 2 hurricane as it moves toward southern Mexico's Pacific coast.
A hurricane warning is in effect Friday for Mexico's coast from Salina Cruz to Acapulco. Hurricane watches and tropical storm warnings were also in effect for parts of the coast.
The U.S. National Hurricane Center in Miami says the storm's maximum sustained winds Friday are near 105 mph.
The hurricane's center is about 65 miles south-southeast of Puerto Angel and 280 miles southeast of Acapulco.