18°0'N / 66°0'V / Høyde 23 m / 13:53 11.09.2026, America/Puerto_Rico (UTC-4)
fra: 11.09.2026, 10:13
til: 11.09.2026, 17:00
* WHAT...This level of heat can affect anyone without effective cooling and/or adequate hydration. * WHERE...A portion of Puerto Rico. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Heat-related illnesses increase significantly during periods of very high heat indices or high temperatures. This extreme heat event poses a severe threat to anyone with inadequate cooling or hydration. These extreme impacts will be most pronounced across coastal sections, lowlands, interior valleys, and urban areas.