000 ABNT20 KNHC 291153 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Sun Sep 29 2024 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: Active Systems: The National Hurricane Center is issuing advisories on Hurricane Isaac, located several hundred miles northwest of the Azores, and on Tropical Storm Joyce, located over the central Atlantic Ocean. Eastern and Central Tropical Atlantic (AL90): Showers and thunderstorms associated with an elongated area of low pressure located a few hundred miles west-southwest of the Cabo Verde Islands have become better organized since yesterday. Environmental conditions are conducive for gradual development of this system, and a tropical depression is likely to form during the early or middle part of this week while the system initially moves westward and then northwestward across the eastern and central tropical Atlantic. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...high...80 percent. Western Caribbean Sea and Gulf of Mexico: A broad area of low pressure located over the western Caribbean Sea is producing disorganized showers and thunderstorms. Environmental conditions appear to be conducive for gradual development, and a tropical depression could form around the middle part of this week while the disturbance meanders towards the west-northwest. This system is then expected to move northwestward into the Gulf of Mexico during the latter portion of this week, and interests in the northwestern Caribbean Sea and along the U.S. Gulf Coast should monitor its progress. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...medium...50 percent. Eastern Atlantic: A tropical wave located near the coast of western Africa is currently producing limited shower activity. Some gradual development of this system is possible during the next several days while it moves slowly westward or west-northwestward over the eastern Atlantic Ocean. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...low...20 percent. $$ Forecaster Blake/Mahoney