Southern U.S. under extreme weather advisory as "heat dome," humidity build

An oppressive "heat dome" has settled over the southern United States, trapping scorching temperatures and high humidity and placing an estimated 70 million people under an extreme weather advisory. The dangerous conditions stretch across a vast region, encompassing states from Texas in the west to the Carolinas in the east.

Residents are being warned of the severe health risks associated with prolonged exposure to such extreme heat. The combination of intense solar radiation and suffocating humidity creates a potent threat, increasing the likelihood of heat-related illnesses, including heat exhaustion and potentially life-threatening heatstroke.

Forecasters are urging individuals to take precautions, such as staying hydrated, seeking air-conditioned environments, and limiting outdoor activities during the peak heat hours. The prolonged nature of this heat wave poses a significant challenge for public health and emergency services across the affected states.

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70 million people in southern U.S. states from Texas to the Carolinas are scorching in the sun amid a major heat wave.