Heat Advisory

* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration.

* WHERE...In Puerto Rico, Culebra and Vieques. In US Virgin Islands, St Croix and St. Thomas, and St. John.

* WHEN...Until 5 PM AST this afternoon.

* IMPACTS...High temperatures or elevated heat indices can worsen symptoms in people with chronic conditions. They can also increase the risk of heat-related illness among individuals sensitive to heat with inadequate cooling or hydration. These risks are highest across coastal areas, lowlands, interior valleys, and urban zones.