000 ABPZ20 KNHC 172334 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 PM PDT SUN JUL 17 2016 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Hurricane Darby, located over 1200 miles west-southwest of the southern tip of the Baja California peninsula, and on Tropical Storm Estelle, located nearly 500 miles south-southwest of the southern tip of the Baja California peninsula. A trough of low pressure located several hundred miles south of Acapulco, Mexico, is producing disorganized showers and a few thunderstorms. Some slow development of this system is possible later this week while it moves westward at about 10 mph. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...20 percent An area of low pressure is expected to form well south of the Gulf of Tehuantepec in a few days. Environmental conditions are expected to be conducive for development by mid-week, and a tropical depression could form by late this week while it moves west- northwestward at about 10 mph. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...medium...50 percent $$ Forecaster Blake