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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
1100 PM PDT Mon Jul 31 2017

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

The National Hurricane Center is issuing advisories on Tropical
Storm Irwin, located more than a thousand miles west of the southern
tip of the Baja California peninsula.

1. Disorganized cloudiness and thunderstorms located several hundred
miles south-southeast of the Gulf of Tehuantepec are associated
with a tropical wave.  Environmental conditions appear conducive
for some slow development of this disturbance during the next
several days while it moves west-northwestward at 10 to 15 mph
south of the coast of Mexico. Upper-level winds will likely become
unfavorable for development by Friday.
* Formation chance through 48 hours...low...20 percent.
* Formation chance through 5 days...medium...40 percent.

Forecaster Brown