Updates at 2:00 and 8:00 Eastern, more frequently if warranted.
For the North Atlantic...Caribbean Sea and the Gulf of America:
1. Eastern Subtropical Atlantic (AL99): Showers and thunderstorms associated with the low pressure system located several hundred miles southwest of the Azores have changed little in organization during the past several hours. A tropical depression could still form later today. The system is expected to move slowly over the next couple of days, remaining southwest of the Azores, followed by a turn to the southwest by early next week. Environmental conditions are forecast to become less favorable for development beginning Sunday night or on Monday. * Formation chance through 48 hours...high...80 percent. * Formation chance through 7 days...high...80 percent.