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TROPICAL WEATHER OUTLOOK
NWS NATIONAL HURRICANE CENTER MIAMI FL
500 PM PDT SAT AUG 15 2015

For the eastern North Pacific...east of 140 degrees west longitude:

1. Recent visible satellite images indicate that the large area of low
pressure centered about 500 miles south-southwest of the southern
tip of the Baja California peninsula has developed a well-defined
center of circulation.  The associated showers and thunderstorms
continue to show signs of organization, and this system is expected
to become a tropical depression or tropical storm this evening or on
Sunday while it moves west-northwestward at about 15 mph away from
the coast of Mexico.  Conditions are expected to become less
conducive for development by Monday when the system moves over
cooler waters.
* Formation chance through 48 hours...high...90 percent
* Formation chance through 5 days...high...90 percent

Forecaster Berg