Tropical Weather Outlook NWS National Hurricane Center Miami FL 800 AM EDT Tue Oct 5 2021 For the North Atlantic...Caribbean Sea and the Gulf of Mexico: The National Hurricane Center has issued the last advisory on Post-Tropical Cyclone Sam, located over the far North Atlantic. 1. A large area of disorganized showers and thunderstorms is located east of a surface trough that extends from the central and southeastern Bahamas northward over the adjacent southwestern Atlantic waters. Upper-level winds are not expected to be favorable for significant tropical development of this system while it moves slowly northwestward over the next several days. By this weekend, the system is forecast to interact with a front near the coast of the southeastern United States. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 5 days...low...10 percent.