Non-Precipitation Warnings / Watches / Advisories
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
282 WWCA72 TJSJ 180937 NPWSJU URGENT - WEATHER MESSAGE National Weather Service San Juan PR 537 AM AST Thu Jul 18 2024 PRZ001-003-005-007-008-010-011-VIZ002-181745- /O.NEW.TJSJ.EH.W.0019.240718T1500Z-240718T2100Z/ San Juan and Vicinity-Southeast-North Central-Ponce and Vicinity- Northwest-Mayaguez and Vicinity-Southwest-St Croix- Including the cities of Bayamon, Carolina, Catano, Guaynabo, San Juan, Toa Alta, Toa Baja, Trujillo Alto, Arroyo, Guayama, Maunabo, Patillas, Salinas, Yabucoa, Arecibo, Barceloneta, Dorado, Florida, Manati, Vega Alta, Vega Baja, Guayanilla, Juana Diaz, Yauco, Penuelas, Ponce, Santa Isabel, Aguadilla, Camuy, Hatillo, Isabela, Quebradillas, Aguada, Anasco, Hormigueros, Mayaguez, Moca, Rincon, San German, Cabo Rojo, Guanica, Lajas, Christiansted, Frederiksted, Frederiksted Southeast, and Grove Place 537 AM AST Thu Jul 18 2024 ...EXCESSIVE HEAT WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM AST THIS AFTERNOON... * WHAT...A period of dangerously hot and humid conditions are expected. This level of heat affects anyone without effective cooling and/or adequate hydration. * WHERE...Most lower elevations of Puerto Rico except the eastern- most zone and Vieques and Saint Croix in the U.S. Virgin Islands. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. PRECAUTIONARY/PREPAREDNESS ACTIONS... Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$ PRZ012-VIZ001-181745- /O.NEW.TJSJ.HT.Y.0054.240718T1500Z-240718T2100Z/ Culebra-St.Thomas...St. John...and Adjacent Islands- Including the cities of Culebra, Anna`s Retreat, Charlotte Amalie, Charlotte Amalie East, Charlotte Amalie West, and Cruz Bay 537 AM AST Thu Jul 18 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM THIS MORNING TO 5 PM AST THIS AFTERNOON... * WHAT...A period of dangerously hot and humid conditions are expected. This level of heat affects most individual sensitive to heat. expected. * WHERE...In Puerto Rico, Culebra. In the U.S. Virgin Islands, St. Thomas and St. John. * WHEN...Until 5 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take action when you see symptoms of heat exhaustion and heat stroke. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! Call 9 1 1. Monitor the latest forecasts and warnings for updates. && $$