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US Faces Dual Threat: Soaking Rains Meet Scorching Heat
22 Jul
Summary
- Millions face heat warnings as storms bring heavy rain.
- Tropical moisture meets cold front, causing flash floods.
- Dangerous heat expands, with heat indexes reaching 115 degrees.
Millions of Americans are currently under weather advisories as severe storms and heavy rainfall impact the mid-Atlantic states and Carolinas. This is happening concurrently with an intensifying and expanding heat wave across the nation. Over 100 million individuals are expected to experience heat watches or warnings, while significant portions of the population face risks of heavy rain and flash flooding.
The collision of tropical moisture, pushed by Tropical Storm Bertha, with a strong cold front is generating warnings for repeated storms and flash floods. This phenomenon is predicted to persist through Friday for areas from Kentucky and West Virginia eastward to New Jersey, and as far south as the Carolinas. Rainfall totals could range from 2 to 5 inches, with localized areas like Hampton Roads, Virginia, and eastern North Carolina potentially receiving up to 8 inches.
Concurrently, a "dangerous heat" wave is set to spread from the Gulf Coast across the Central U.S. and westward by July 27. Consecutive days of hazardous heat are anticipated, driven by high afternoon temperatures and warm overnight lows, which may set records and cause accumulated heat stress. Heat indexes could soar as high as 115 degrees in some locations. Authorities are urging limiting outdoor activities during peak heat and staying hydrated.
