000 ABPZ20 KNHC 191143 TWOEP TROPICAL WEATHER OUTLOOK NWS NATIONAL HURRICANE CENTER MIAMI FL 500 AM PDT MON OCT 19 2015 For the eastern North Pacific...east of 140 degrees west longitude: The National Hurricane Center is issuing advisories on Hurricane Olaf, located about 1400 miles east-southeast of the Big Island of Hawaii. Cloudiness and thunderstorms extending from near the coast of Guatemala westward to along the south coast of Mexico are associated with an area of low pressure located a few hundred miles south of the Gulf of Tehuantepec. The low is interacting with strong northerly winds blowing through the Isthmus of Tehuantepec and into the eastern Pacific, which could temporarily be impeding tropical cyclone formation. Although some development of this system is still possible during the next day or so, a tropical depression is more likely to form around mid-week once the low begins to move west-northwestward or northwestward away from this region. Interests along the south-central and southwestern coasts of Mexico should monitor the progress of this disturbance during the next few days. Regardless of development, locally heavy rains are possible over portions of southern Mexico, Guatemala, and El Salvador during the next couple of days. * Formation chance through 48 hours...medium...50 percent * Formation chance through 5 days...high...80 percent $$ Forecaster Kimberlain