000 ABPZ20 KNHC 172325 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 PM PDT SAT SEP 17 2016 For the eastern North Pacific...east of 140 degrees west longitude: Showers and thunderstorms associated with a low pressure system located about 350 miles southwest of Manzanillo, Mexico, continue to show signs of organization. Although satellite data indicate that the system does not have a well-defined center yet, only a small increase in the organization could lead to the formation of a tropical depression tonight or on Sunday. This system is expected to move west-northwestward at 10 to 15 mph offshore of the coast of Mexico during the next few days. * Formation chance through 48 hours...high...90 percent * Formation chance through 5 days...high...90 percent An area of low pressure could form in a few days well south of southwestern Mexico. Some gradual development of this system is possible by the middle of next week while it moves slowly westward. * Formation chance through 48 hours...low...near 0 percent * Formation chance through 5 days...low...20 percent $$ Forecaster Cangialosi