18°8'北緯 / 66°15'西経 / 高度 607 m / 10:19 2026/09/21, America/Puerto_Rico (UTC-4)
から: 2026/09/21, 10:00
に: 2026/09/21, 15:00
* WHAT...This level of heat affects most individuals sensitive to heat, especially those without effective cooling and/or adequate hydration. * WHERE...All of Puerto Rico, including Vieques and Culebra, and the U.S. Virgin Islands. * WHEN...From 10 AM this morning to 3 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.
Central Interior,Aibonito
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
NWS San Juan PR
2026/09/21, 02:00