Northern Gulf of America and near Florida (AL91): An area of low pressure located over the northeastern Gulf of America continues to become better defined and the associated shower and thunderstorm activity is gradually increasing. Continued gradual development is expected, and a tropical depression is likely to form later today or on Monday as the system moves slowly northward or northwestward. Interests along the northern Gulf coast from Florida, Alabama, Mississippi, and Louisiana should monitor the progress of this system, as tropical storm watches or warnings could be required for portions of the area later today. In addition, this system...