The West’s punishing summer heat dries out thunderstorms and fuels raging wildfires.
July 20, 2021
“Another scorching summer heat wave was set to peak across portions of the western United States, with air so dry that rain evaporated before reaching the ground and smoke from wildfires delaying hundreds of flights at one of the region’s largest airports.
Temperatures reached the upper 90s and lower 100s in parts of the Northern Rockies, and forecasters warned of “dry thunderstorms,” which bring lightning that can spark fires, but no rain to quench them . . .”