{"id": "1217780930423455747", "title": "Tropical Cyclone Discussion", "adv_date": "2026-10-11T09:00:00Z", "msg": "416\nWTNT44 KWNH 110834\nTCDAT4\n \nPost-Tropical Cyclone Isaias Discussion Number  19\nNWS Weather Prediction Center College Park MD   AL092026\n400 AM CDT Sun Oct 11 2026\n \nKey Messages:\n \n1. Heavy rainfall associated with Post-Tropical Cyclone Isaias will \nspread into the Central Appalachians and Mid-Atlantic on Sunday.  \nIsolated flash and urban flooding will be possible.\n \n2. Strong wind gusts continue to pose a threat across the\nsoutheastern United States today, particularly near the southern\nAppalachians. Scattered power outages and downed trees and\npower-lines may occur, with the risk highest in elevated terrain.\n \n3. Swells from Isaias will continue to affect much of the Gulf and \nSoutheastern Atlantic coasts of the United States, Mexico, and \nwestern Cuba this weekend. These swells are likely to cause \nlife-threatening surf and rip current conditions. Please consult \nproducts from your local weather office.\n \n4. A couple of tornadoes are possible today across the Piedmont and \nCoastal Plain of Virginia and North Carolina.\n \n \nFORECAST POSITIONS AND MAX WINDS\n \nINIT  11/0900Z 35.4N  85.9W   20 KT  25 MPH...POST-TROPICAL\n 12H  11/1800Z 37.1N  82.8W   20 KT  25 MPH...POST-TROP/INLAND\n 24H  12/0600Z 38.4N  77.7W   20 KT  25 MPH...POST-TROP/INLAND\n 36H  12/1800Z...DISSIPATED\n \n"}