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Tropical Weather Outlook
NWS National Hurricane Center Miami FL
800 AM EDT Mon Aug 9 2021
For the North Atlantic...Caribbean Sea and the Gulf of Mexico:
1. Showers and thunderstorms have become more concentrated this morning
in association with a low pressure system located about 150 miles
east of Barbados. Environmental conditions are expected to be
conducive for additional development, and a tropical depression is
likely to form later today or tonight while the low moves
west-northwestward at 10 to 15 mph. The disturbance is forecast to
reach portions of the Lesser Antilles tonight, then move near the
Virgin Islands and Puerto Rico on Tuesday, and be near Hispaniola
around the middle of this week. Tropical storm watches or warnings
could be required today with shorter-than-normal lead times for
portions of the Lesser Antilles, the Virgin Islands, and Puerto
Rico. In addition, heavy rains and flooding are likely for the
Leeward Islands, Virgin Islands, and Puerto Rico. Interests in
those areas should monitor the progress of this system.
* Formation chance through 48 hours...high...70 percent.
* Formation chance through 5 days...high...70 percent.
2. Disorganized showers and thunderstorms have changed little in
association with an elongated low pressure area located several
hundred miles east of the Lesser Antilles. Development of this
system is becoming less likely during the next few days while it
moves toward the west or west-southwest at around 10 mph.
* Formation chance through 48 hours...low...10 percent.
* Formation chance through 5 days...low...20 percent.