{"id": "1217856855573594115", "title": "Public Tropical Cyclone Advisory", "adv_date": "2026-10-11T15:00:00Z", "msg": "544\nWTNT34 KWNH 111500\nTCPAT4\n \nBULLETIN\nPost-Tropical Cyclone Isaias Advisory Number  20\nNWS Weather Prediction Center College Park MD   AL092026\n1100 AM EDT Sun Oct 11 2026\n \n...FLASH FLOOD THREAT FROM ISAIAS IS DECREASING BUT SOME\nRISK CONTINUES TODAY ACROSS PORTIONS OF THE APPALACHIANS AND\nMID-ATLANTIC...\n \n \nSUMMARY OF 1100 AM EDT...1500 UTC...INFORMATION\n-----------------------------------------------\nLOCATION...37.5N 84.0W\nABOUT 180 MI...285 KM NE OF NASHVILLE TENNESSEE\nMAXIMUM SUSTAINED WINDS...25 MPH...35 KM/H\nPRESENT MOVEMENT...ENE OR 65 DEGREES AT 22 MPH...35 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* Portions of the Central and Southern Appalachians\n \nWind Advisory is in effect for...\n* Portions of the Central Appalachians\n \n \nDISCUSSION AND OUTLOOK\n----------------------\nAt 1100 AM EDT (1500 UTC), the center of Post-Tropical Cyclone\nIsaias was located near latitude 37.5 North, longitude 84.0 West.\nThe post-tropical cyclone is moving toward the east-northeast near\n22 mph (35 km/h) and this motion is expected to continue today \nbefore the low dissipates over West Virginia this evening.\n \nMaximum sustained winds are near 25 mph (35 km/h) with higher gusts.\nLittle change in strength is forecast during the next 12 hours, \nwith the low dissipating thereafter.\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: Additional rainfall of 1 to 3 inches is possible today\nacross portions of the Central Appalachians into the Mid-Atlantic,\nwith localized flash and urban flooding possible. In western North\nCarolina, rainfall is diminishing, but rapid river rises and\nflooding remain possible today.\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 \nSURF: Swells from Isaias will continue to affect much of the\nGulf and Southeast coasts of the United States today. These swells\nare likely to cause life-threatening surf and rip current\nconditions. Please consult products 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-------------\nThis is the last public advisory issued by the Weather Prediction\nCenter on this system.\n \n"}