NWS National Hurricane Center Miami Fl
800 AM EDT Tue Aug 23 2011
For the North Atlantic...Caribbean Sea and the Gulf of Mexico
The NHC is issuing advisories on Hurricane Irene located about 70 miles south-southeast of Grand Turk Island.
Showers and thunderstorms near a large low pressure system located about 750 miles west-northwest of the northernmost Cape Verde Islands have changed little in organization. While the low is moving west-northwestward at about 15 mph toward warmer waters...upper-level winds are forecast to become less favorable for development. This system has a low chance 20% of becoming a tropical cyclone during the next 48 hours.
A large low pressure area is centered about 300 miles southeast of The Cape Verde Islands. Although this system is not currently well organized upper-level conditions favor some development during the next several days. This system has a low chance 20% of becoming a tropical cyclone during the next 48 hours as it moves to the west at about 10 mph.
Elsewhere...tropical cyclone formation is not expected during the next 48 hours.