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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
500 PM PDT Fri Aug 11 2017

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

1. A large low pressure area centered about 260 miles south-southeast
of Cabo San Lucas, Mexico, continues to produce showers and
thunderstorms.  The surface circulation is gradually becoming better
defined, and this system could become a tropical depression or
tropical storm at any time during the next day or so.  The low is
forecast to move west-northwestward at 10 to 15 mph, away from the
coast of Mexico.
* Formation chance through 48 hours...high...90 percent.
* Formation chance through 5 days...high...90 percent.

2. Disorganized cloudiness and showers centered a few hundred
miles south-southwest of the Gulf of Tehuantepec are associated
with a surface trough.  Environmental conditions are forecast to
become increasingly conducive for development, and a tropical
cyclone is likely to form early next week while the system moves
west-northwestward at 10 to 15 mph.
* Formation chance through 48 hours...low...30 percent.
* Formation chance through 5 days...high...70 percent.

Forecaster Blake