Atlantic Tropical Weather Outlook
510 ABNT20 KNHC 181428 TWOAT Special Tropical Weather Outlook NWS National Hurricane Center Miami FL Issued by the NWS Weather Prediction Center College Park MD 1030 AM EDT Fri Sep 18 2026 For the North Atlantic...Caribbean Sea and the Gulf of America: Special outlook to update information on the area of low pressure located southwest of the Azores (AL99) and to remove AL98 from the outlook. Eastern Subtropical Atlantic (AL99): Recent satellite imagery indicates that showers and thunderstorms are becoming better organized in association with an area of low pressure located several hundred miles southwest of the Azores. In addition, it appears that a well-defined center is developing. If these current trends continue, a tropical depression could form as soon as later this afternoon. The system is expected to move slowly over the next several days remaining to the southwest of the Azores. * Formation chance through 48 hours...medium...60 percent. * Formation chance through 7 days...medium...60 percent.