A massive high-pressure heat dome over the southern United States triggered severe heat and humidity advisories across 19 states, with elevated overnight temperatures staying in the upper 70s to near 80 degrees. The extreme weather pattern coincided with severe, training storms along the heat dome's northern boundary, spanning from Iowa to West Virginia. In Indiana, Governor Mike Braun issued Executive Order 26-21 declaring a statewide disaster emergency and deploying the Indiana National Guard to address widespread structural damage, severe flash flooding, and localized tornadic activity. President Donald Trump authorized a federal emergency declaration to deliver disaster relief after several fatalities and hundreds of rescues occurred. Meteorologists tracking the atmospheric block project the heat ridge will expand into the Intermountain West before shifting toward the Great Lakes, Northeast, and Mid-Atlantic regions.
Reviewed by editorial team.
Left: Highlights global warming risks, infrastructure vulnerabilities, and emergency relief needs. Center: Reports meteorological conditions, state emergency declarations, and regional weather forecasts. Right: Emphasizes executive emergency response, governor leadership, and local mobilization.
Governor Mike Braun declared statewide disaster emergency on August 13. https://events.in.gov/event/gov-braun-declares-statewide-disaster-emergency-mobilizes-national-guard-as-indiana-responds-to-severe-storms-flooding
Massive heat dome grips US South as Midwest faces deadly flooding and storms
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