As cooler air drives into the sea of heat and humidity in the East, locally powerful thunderstorms will continue to develop into this evening.
Relief is coming for those with heat-sensitive health problems, but big thunderstorms are marking the transition.
There is a risk of strong to perhaps damaging thunderstorms this afternoon and evening along the I-95 corridor from Richmond to Washington, D.C., Baltimore, Wilmington, Philadelphia, Trenton, New York City, Hartford, Providence and Boston.
While the storms will not be severe in every neighborhood, they can bring a brief period of damaging wind gusts and blinding downpours to many locations.
A few communities can be hit with downed trees and power outages, frequent lightning strikes, urban flooding and hail.
Much cooler and drier air will work in aloft, while the air remains hot and humid at the surface into this evening.
This setup produces an unstable atmosphere that can be made acute by the approach of the cooler air at the surface.
Folks spending time outdoors into this evening should keep an eye out for rapidly changing weather conditions and seek shelter in a building away from windows as storms approach.
In addition to the heat, the approach of the storms could lead to delays at area airports and poor visibility on the highways, due to blinding downpours.
A flesh-eating bacteria that thrives in warm seas has killed one person in Sarasota County, Florida, according to the Florida Department of Health.
A couple enjoying serene waters and lush landscapes as the perfect selfie background were shocked when a burst of lightning struck the trees behind them, erupting in a ball of fire.
Trouble is brewing for people with outdoor plans and travel along the Atlantic coast this weekend in the form of drenching rain and thunderstorms.
A mudslide in western India has destroyed at least 40 homes and may have buried over 150 people.
After comfortable and nice conditions for most of this week, Atlanta area residents can expect humidity to return for the weekend.
Otters at a Japanese zoo took to the water for relief from the above-normal heat.
"A considerable flood arose unexpectedly which proved detrimental to many in that colony." This was the first of 2 hurricane/floods within 30 days.
Amarillo, TX (1982)
4.22" of rain -- 24-hour July rainfall record.
Eureka, CA (1982)
A total of 0.03" in drizzle -- a daily rainfall record for midsummer.