Supercell thunderstorms are dangerous severe storms that unleash destructive hail, roaring winds and powerful tornadoes. They are responsible for nearly all of the United States’ most violent ...

For millions of Aussies it’s been a week of extreme weather, with wild storms, damaging winds and sweltering temperatures sweeping over southern and southeastern Australia. And as we edge closer to ...

Thunderstorms need moisture, energy — which meteorologists call instability — and some sort of lift to form. Usually, the lift comes from cold and warmer air masses colliding along a line called a ...