A broad area of low pressure over the southwestern Caribbean Sea continues to produce disorganized showers and thunderstorms. Gradual development of this system is expected, and a tropical depression is likely to form within the next couple of days while it moves generally northward to northwestward over the central and western Caribbean Sea.
Regardless of development, locally heavy rains are possible over portions of the adjacent land areas of the western Caribbean, including Jamaica, Hispaniola, and Cuba. Interests in the western Caribbean Sea should monitor the progress of this system. An Air Force Hurricane Hunter aircraft is scheduled to investigate this system on Sunday.
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The chance of increasing formation in the next 48 hours is 70%.
Early Saturday morning, the National Hurricane Center named Subtropical Storm Patty in the Northern Atlantic.
The storm is moving toward the southeast near 13 mph. A faster eastward motion is expected during the next couple of days. On the forecast track, the center of Patty is expected to move near or just south of the Azores tonight and Sunday. Maximum sustained winds remain near 65 mph with higher gusts. Gradual weakening is expected during the next few days. Patty is forecast to become a post-tropical low by Sunday night. Winds of 40 mph extend outward up to 205 miles from the center. The estimated minimum central pressure is 982 mb.
Subtropical Storm Patty will not affect the U.S. whatsoever.