000 ABPZ20 KNHC 112318 TWOEP 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: 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. 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