Shower and thunderstorm activity is showing signs of organization in association with an area of low pressure located a few hundred miles south of the coast of southern Mexico.
Recent satellite-derived wind data also indicates the circulation is gradually becoming better defined. Environmental conditions appear conducive to additional development, and this system is expected to become a tropical depression over the next day or so.
This low-pressure area is forecast to move generally westward at 10 to 15 mph, remaining well south of the coast of southern and southwestern Mexico during the next . . .