1. Central Tropical Atlantic (AL91):Showers and thunderstorms are showing signs of organization in association with a broad area of low pressure located several hundred miles west-southwest of the Cabo Verde Islands. Environmental conditions are forecast to be conducive for development, and a tropical depression is expected to form in the next couple of days while the system moves west-northwestward across the central tropical Atlantic. * Formation chance through 48 hours...high...70 percent.* Formation chance through 7 days...high...90 percent.

91L INVEST 230926 1200 10.7N 37.1W ATL 30 1008

91L INVEST 230926 1800 11.2N 39.2W ATL 30 1008

91L INVEST 230927 0000 11.2N 40.6W ATL 30 1008

91L INVEST 230927 0600 11.2N 42.0W ATL 30 1007

AL, 91, 2023092712, , BEST, 0, 116N, 435W, 30, 1007, LO, 34, NEQ, 0, 0, 0, 0, 1010, 180, 80, 0, 0, L, 0, , 0, 0, INVEST, S, 0, , 0, 0, 0, 0, genesis-num, 034,

发展明显受到P的限制，整合尚不明朗，涡度受P的影响变散

91L INVEST 230927 1800 13.7N 44.2W ATL 30 1006

91L INVEST 230928 0000 14.8N 44.5W ATL 30 1006

91L INVEST 230928 0600 15.6N 44.5W ATL 30 1006

AL, 91, 2023092812, , BEST, 0, 170N, 448W, 30, 1005, LO, 34, NEQ, 0, 0, 0, 0, 1011, 160, 60, 0, 0, L, 0, , 0, 0, INVEST, S, 0, , 0, 0, 0, 0, genesis-num, 034,