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Issued: Aug 15, 2013 08:00 am HST

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

1. An area of low pressure centered about 650 miles south of Kauai is moving west near 20 mph. This system continues to show signs of improved organization as thunderstorms increased in coverage overnight, and a tropical depression may be developing. Environmental conditions appear to be conducive for further development, and this system has a high chance, 80 percent, of becoming a tropical cyclone during the next 48 hours.

2. An elongated trough of low pressure about 1150 miles southwest of Kauai is producing disorganized showers and thunderstorms. Further development, if any, will be slow to occur, as this trough moves west at about 15 mph. There is a low chance, 20 percent, that this system will develop into a tropical cyclone in the next 48 hours.

3. A surface trough about 600 miles southeast of Hilo Hawaii is producing disorganized showers and thunderstorms as it moves west at 15 to 20 mph. Environmental conditions are not conducive for further development, and this system has a low chance, near 0 percent, of becoming a tropical cyclone during the next 48 hours.

Elsewhere, no tropical cyclones are expected through Saturday morning.


Graphical Tropical Weather Outlook

DWROE

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List of Central Pacific Outlooks (June 2010-present)