{"id": "1217710803812679683", "title": "Public Tropical Cyclone Advisory", "adv_date": "2026-10-11T03:00:00Z", "msg": "770\nWTNT34 KWNH 110237\nTCPAT4\n \nBULLETIN\nPost-Tropical Cyclone Isaias Advisory Number  18\nNWS Weather Prediction Center College Park MD   AL092026\n1000 PM CDT Sat Oct 10 2026\n \n...FLASH FLOODING RISK CONTINUES WITH ISAIAS AS IT MOVES TOWARDS\nTENNESSEE...\n \n \nSUMMARY OF 1000 PM CDT...0300 UTC...INFORMATION\n-----------------------------------------------\nLOCATION...35.0N 86.7W\nABOUT 75 MI...120 KM S OF NASHVILLE TENNESSEE\nABOUT 405 MI...655 KM WSW OF ROANOKE VIRGINIA\nMAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H\nPRESENT MOVEMENT...NE OR 40 DEGREES AT 16 MPH...26 KM/H\nMINIMUM CENTRAL PRESSURE...1009 MB...29.80 INCHES\n \n \nWATCHES AND WARNINGS\n--------------------\nSUMMARY OF WATCHES AND WARNINGS IN EFFECT:\n \nFlood Watches are in effect for...\n* Portions of the Southeast United States\n* Southern Appalachians\n \nHigh Wind Warning is in effect for...\n* Portions of the Southern Appalachians\n \nWind Advisory is in effect for...\n* Portions of the Southeast and Southern Appalachians\n \n \nDISCUSSION AND OUTLOOK\n----------------------\nAt 1000 PM CDT (0300 UTC), the center of Post-Tropical Cyclone\nIsaias was located near latitude 35.0 North, longitude 86.7 West.\nThe post-tropical cyclone is moving toward the northeast near 16 mph\n(26 km/h) and this motion is expected to continue on Sunday.\n \nMaximum sustained winds are near 25 mph (35 km/h) with higher gusts.\nLittle change in strength is forecast during the next 24-36 hours \nbefore the cyclone is absorbed by another low pressure system to \nits east.\n \nThe estimated minimum central pressure is 1009 mb (29.80 inches).\n \n \nHAZARDS AFFECTING LAND\n----------------------\nKey messages for Isaias can be found in the Tropical Cyclone\nDiscussion under AWIPS header MIATCDAT4 and WMO header WTNT44 KNHC.\n \nRAINFALL: Additional Rainfall totals of 2 to 5 inches with\nlocalized maximum amounts of 10 inches are possible across the\nSouthern Appalachians from the western Carolinas into western\nVirginia.   Additional rainfall totals of 1 to 2 inches\npossible across the Florida Big Bend and northwest Florida bringing\nstorm totals towards 12 inches.  Rainfall amounts of 2 to 4 inches\nwith localized maximum amounts to 6 inches are possible near the\ncoasts of the Carolinas.\n \nFlash, urban, and river flooding is possible across the region, with\nconsiderable impacts, including landslides, possible across the\nsouthern Appalachians. Significant river flooding across the western\nFlorida Panhandle will crest today through Sunday.\n \nFor a complete depiction of forecast rainfall associated with\nIsaias, please see the National Weather Service Storm Total Rainfall\nGraphic available at\nhurricanes.gov/graphics_at4.shtml?rainqpf and the Flash Flood Risk\ngraphic at hurricanes.gov/graphics_at4.shtml?ero.\n \nTORNADOES: A couple of tornadoes are possible tonight across eastern\nGeorgia and the Carolinas.\n \nWIND: 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\npowerlines may occur, with the risk highest in elevated terrain.\n \nSURF: Swells from Isaias will continue to affect much of the\nGulf coasts of the United States, Mexico, and western Cuba this\nweekend. These swells are likely to cause life-threatening surf and\nrip current conditions. Please consult products from your local\nweather office.\n \nA depiction of rip current risk for the United States can be found\nat: hurricanes.gov/graphics_at4.shtml?ripCurrents\n \n \nNEXT ADVISORY\n-------------\nNext complete advisory at 400 AM CDT.\n \n"}