"Understanding the Texas Heat Dome and its Impact on the US"

A heat dome caused by a high-pressure system is keeping Texas hot and dry, with no relief in sight for at least another week. The National Weather Service has issued excessive heat warnings and advisories, urging residents to stay hydrated, stay indoors, and avoid strenuous activities during the hottest parts of the day. The heat dome is preventing clouds from forming, leading to clear skies and relentless sunshine. The weather service warns of the dangers of vehicular heatstroke and urges residents to know the signs of heat exhaustion and heat stroke.