heat dome
‘A lid on a pot’: How does a heat dome work?
"If you've made grilled cheese in a pan and you put a lid on there, it melts the cheese faster because the lid helps trap the heat," a National Weather Service official told NPR.
As ‘overwhelming’ heat dome settles over the Gulf South, unhoused residents seek refuge
The Fourth of July holiday brought sweltering temperatures to the Gulf South. Here’s how some of the people most vulnerable to the heat are dealing with it.