517 WWCA72 TJSJ 051953 NPWSJU URGENT - WEATHER MESSAGE National Weather Service San Juan PR 353 PM AST Thu Oct 5 2023 PRZ001-002-005-008-010-012-013-VIZ002-052100- /O.EXP.TJSJ.HT.Y.0122.000000T0000Z-231005T2000Z/ San Juan and Vicinity-Northeast-North Central-Northwest- Mayaguez and Vicinity-Culebra-Vieques-St Croix- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, Trujillo Alto, Ceiba, Canovanas, Fajardo, Humacao, Loiza, Luquillo, Naguabo, Rio Grande, Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, Vega Baja, Aguadilla, Camuy, Hatillo, Isabela, Quebradillas, Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, San German, Culebra, Vieques, Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 353 PM AST Thu Oct 5 2023 ...HEAT ADVISORY WILL EXPIRE AT 4 PM AST THIS AFTERNOON... However, high heat indices will continue for the next hour and will gradually come at the areas under the Advisory. $$