A dangerous and prolonged heat dome has settled over large parts of the eastern United States, triggering excessive heat warnings in dozens of major cities. Temperatures have soared into the triple digits, with humidity driving heat index values to life-threatening levels — above 110°F (43°C) in some regions.
This oppressive weather pattern, caused by high-pressure systems trapping heat near the surface, has affected millions from the Midwest to the Atlantic Coast. Cities like New York, Philadelphia, and Washington D.C. have activated emergency heat plans, opening cooling centers and urging residents to stay indoors.
Health officials are emphasizing the severe risk to vulnerable populations, especially the elderly, children, and outdoor workers. The extreme heat has already led to an uptick in emergency room visits, and experts warn that prolonged exposure could be deadly.
Scientists stress that such events are becoming more intense and frequent due to climate change. Heat domes not only raise the risk of wildfires and drought but also strain electrical grids as demand for air conditioning spikes.
Authorities continue to monitor the situation closely, advising the public to avoid peak sun hours, stay hydrated, and check in on at-risk individuals.
📎 Full article: Scientific American – Heat Dome Coverage
