What is a heat dome and why is it so hot in US, Canada

Tags: #adogslife, #americanbulldogboxer, #americanbulldogsofig, #americanbulldogsofinstagram, #cats, #climatechange, #dogsofinstagram, #getgreengetgrowing, #gngagritech, #greenstories, #haze, #heatdome, #heatwave, #hot, #legendsoftomorrow, #mickrory, #qualitytime, #summer