Atlantic Tropical Weather Outlook
147 ABNT20 KNHC 131720 TWOAT Tropical Weather Outlook NWS National Hurricane Center Miami FL 200 PM EDT Sun Sep 13 2026 For the North Atlantic...Caribbean Sea and the Gulf of America: Central Subtropical Atlantic: Disorganized showers and thunderstorms persist in association with a trough of low pressure over the central Subtropical Atlantic. Strong upper-level winds are making the current environment unfavorable for development. However, the system is expected to move into a more favorable environment for some gradual development by the middle to later portion of this week. The disturbance is forecast to move west-northwestward across the central part of the Subtropical Atlantic. * Formation chance through 48 hours...low...near 0 percent. * Formation chance through 7 days...low...20 percent.