Hurricane Priscilla has formed in the Pacific Ocean off the coast of Mexico. The Miami-based National Hurricane Center said Sunday that Priscilla's maximum sustained winds were 75 mph and that the storm was located about 290 miles south-southwest of Cabo Corrientes and was headed north-northwest at 3 mph. It says heavy rainfall and gusty winds are affecting coastal southwestern Mexico. A tropical storm watch was issued for parts of the coast of southwestern Mexico. Priscilla was forecast to generally move parallel to the coast in the coming days. Another storm, Octave, became a hurricane Sunday far from shore with no landfall expected. Its maximum sustained winds were 80 mph.