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Issued: Aug 13, 2013 08:00 am HST

For the central north Pacific, between 140°W and 180.

1. An area of low pressure located about 850 miles southeast of the Big Island of Hawaii continues to produce disorganized showers and thunderstorms. Development, if any, will be slow to occur as this system moves westward at about 15 mph over the next couple of days. This system has a low chance, 10 percent, of becoming a tropical cyclone during the next 48 hours.

2. Disorganized showers and thunderstorms continue in association with a low pressure system located about 1375 miles east-southeast of the Big Island of Hawaii. Environmental conditions are expected to be marginally conducive for development before upper-level winds become more unfavorable on Thursday. This system has a medium chance, 30 percent, of becoming a tropical cyclone during the next 48 hours while it moves westward at 15 to 20 mph.

Elsewhere, no tropical cyclones are expected through Thursday morning.

Graphical Tropical Weather Outlook


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List of Central Pacific Outlooks (June 2010-present)