Heat Advisory: San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Ponce and Vicinity; Northwest; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Islands; St Croix

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Heat Advisory — San Juan and Vicinity; Northeast; Southeast; Eastern Interior; North Central; Ponce and Vicinity; Northwest; Mayaguez and Vicinity; Southwest; Culebra; Vieques; St.Thomas...St. John.. and Adjacent Islands; St Croix Severity: Moderate. Certainty: Likely. * WHAT...This level of heat may affect individuals sensitive to heat, especially those without effective cooling or adequate hydration. * WHERE...Portions of Puerto Rico, Vieques, Culebra, and all the U.S. Virgin Islands. * WHEN...From 10 AM this morning to 6 PM AST this evening. * IMPACTS...Hot temperatures and prolonged sun exposure, combined with locally higher humidity, may increase the risk of heat-related illnesses.