A surface trough of low pressure is producing a large area of disorganized showers and thunderstorms extending several hundred miles south of the coast of southern Mexico.
Environmental conditions appear conducive for the development of this system, and a tropical depression is likely to form late this week while moving west-northwestward at 5 to 10 mph, near the coast of southwestern Mexico.
Regardless of development, heavy rains are likely over coastal sections of the Mexican states of Oaxaca, Guerrero, Michoacan, Colima, and Jalisco during the next few days, which could cause life-threatening flash . . .
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