...HEAT ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 4 PM AST THIS AFTERNOON... * WHAT...This level of heat affect most individuals sensitive to heat, especially those without effective cooling or adequate hydration. Impacts possible in some health system and in heat-sensitive industries. * WHERE...All low-elevated urban areas, as well as the urban areas of the eastern interior in Puerto Rico. * WHEN...From 10 AM this morning to 4 PM AST this afternoon. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. 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. 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. &&