The heavy rain, bright flashes of lightning, and the crashing and rumbling ... And that’s what causes thunderstormstoo. Thunderstorms start in clouds. Inside a storm cloud, bits of ice move ...

The heavy rain, bright flashes of lightning, and the crashing and rumbling ... And that’s what causes thunderstormstoo. Thunderstorms start in clouds. Inside a storm cloud, bits of ice move ...

Lightning is Incredibly Hot When people think of heat, they often think of things like boiling water or a hot summer's day.

All these flashing yellow dots are lightning storms. They're all part of Hurricane Irma. The storms were tracked by NOAA over a period of 80 hours from September 4th to the 9th. There's a lot of ...