000 WWCA72 TJSJ 212101 NPWSJU URGENT - WEATHER MESSAGE National Weather Service San Juan PR 501 PM AST Thu Sep 21 2023 PRZ001-002-004-005-008-012-013-212215- /O.EXP.TJSJ.HT.Y.0108.000000T0000Z-230921T2100Z/ San Juan and Vicinity-Northeast-Eastern Interior-North Central- Northwest-Culebra-Vieques- 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, Aguas Buenas, Caguas, Cayey, Cidra, Comerio, Gurabo, Juncos, Las Piedras, San Lorenzo, Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, Vega Baja, Aguadilla, Camuy, Hatillo, Isabela, Quebradillas, Culebra, and Vieques 501 PM AST Thu Sep 21 2023 ...HEAT ADVISORY HAS EXPIRED... Showers and thunderstorms have cooled temperatures considerably. Heat indices are mostly below 108 degrees or will be shortly. $$ Snell