{"id": "1217780829632823299", "title": "Public Tropical Cyclone Advisory", "adv_date": "2026-10-11T09:00:00Z", "msg": "412\nWTNT34 KWNH 110833\nTCPAT4\n \nBULLETIN\nPost-Tropical Cyclone Isaias Advisory Number  19\nNWS Weather Prediction Center College Park MD   AL092026\n400 AM CDT Sun Oct 11 2026\n \n...FLASH FLOODING RISK CONTINUES ALONG BLUE RIDGE AS ISAIAS\nSTARTS ACCELERATION NORTHEASTWARD...\n \n \nSUMMARY OF 400 AM CDT...0900 UTC...INFORMATION\n----------------------------------------------\nLOCATION...35.4N 85.9W\nABOUT 65 MI...105 KM SE OF NASHVILLE TENNESSEE\nABOUT 70 MI...115 KM NE OF HUNTSVILLE ALABAMA\nMAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H\nPRESENT MOVEMENT...NE OR 55 DEGREES AT 23 MPH...37 KM/H\nMINIMUM CENTRAL PRESSURE...1010 MB...29.83 INCHES\n \n \nWATCHES AND WARNINGS\n--------------------\nSUMMARY OF WATCHES AND WARNINGS IN EFFECT:\n \nFlood Watches are in effect for...\n* Coastal portions of the Carolinas\n* Blue Ridge of Central and Southern Appalachians\n \nWind Advisory is in effect for...\n* Portions of the Southeast and Southern Appalachians\n \n \nDISCUSSION AND OUTLOOK\n----------------------\nAt 400 AM CDT (0900 UTC), the center of Post-Tropical Cyclone Isaias\nwas located near latitude 35.4 North, longitude 85.9 West. The\npost-tropical cyclone is starting to move toward the \nnortheast and this motion is expected to increase toward 20 mph (32 \nkm/h) and maintain for the remainder of today.\n \nMaximum sustained winds are near 25 mph (35 km/h) with higher gusts.\nLittle change in strength is forecast during the next 24 hours.\n \nThe estimated minimum central pressure is 1010 mb (29.83 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: Rainfall totals of 1 to 3 inches with localized maximum\namounts of 5 inches are possible across the Central  Appalachians\ninto the Mid-Atlantic.  Rainfall totals of 1 inch possible along\ncoastal sections of North Carolina.  .\n \nIsolated flash, urban flooding possible across the Central\nAppalachians and Mid-Atlantic.. Significant river flooding across\nthe western Florida Panhandle will crest on 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 \nFor a list of rainfall observations (and wind reports) associated\nwith Isaias, see the companion storm summary at WBCSCCNS4 with the\nWMO header ACUS44 KWBC or at the following link:\nwww.wpc.ncep.noaa.gov/discussions/nfdscc4.html.\n \nTORNADOES: A couple of tornadoes are possible today across the\nPiedmont and Coastal Plain of Virginia and North Carolina.\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\npower lines may occur, with the risk highest in elevated terrain.\n \nSURF: Swells from Isaias will continue to affect much of the\nGulf and Southeast coasts of the United States, Mexico, and western\nCuba this weekend. These swells are likely to cause\nlife-threatening surf and rip current conditions. Please consult\nproducts from your local weather 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 1000 AM CDT.\n \n"}