...ERNESTO BECOMES A HURRICANE NORTH OF PUERTO RICO... ...SIGNIFICANT FLOODING LIKELY ACROSS PUERTO RICO AND THE VIRGIN ISLANDS AS HEAVY RAINS PERSIST... As of 11:00 AM AST Wed Aug 14 the center of Ernesto was located near 20.5, -67.6 with movement NW at 16 mph. The minimum central pressure was 991 mb with maximum sustained winds of about 75 mph.