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Tropical Weather Outlook


Issued Active alert

Start Time

Fri 07/20/2018 08:00 PM EDT

End Time

Fri 08/03/2018 08:00 PM EDT



Full Alert Message

Tropical Weather Outlook NWS National Hurricane Center Miami FL 500 PM PDT Fri Jul 20 2018 For the eastern North Pacific...east of 140 degrees west longitude: Showers and thunderstorms associated with a broad area of low pressure are located a little more than 1500 miles west-southwest of the southern tip of the Baja California peninsula. The shower activity has not become any better organized today, and the system is heading toward unfavorable upper-level winds. The low is expected to move westward at 15 to 20 mph and cross into the Central Pacific basin late this weekend or Monday with no significant development. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...low...20 percent. Another area of disturbed weather is located several hundred miles south-southwest of Manzanillo, Mexico. Although this system is not showing any signs of organization at this time, conditions are forecast to become favorable for development and a tropical depression could form early next week. This disturbance is expected to move toward the west-northwest at 15 to 20 mph during the next several days. * Formation chance through 48 hours...low...10 percent. * Formation chance through 5 days...medium...60 percent. And yet another area of low pressure is likely to form early next week several hundred miles south of the southern coast of Mexico. Environmental conditions appear to be conducive for gradual development of this system while it moves toward the west or west-northwest well south of Mexico. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...medium...40 percent.