A coronal mass ejection hurtling from the sun toward Earth could trigger a geomagnetic storm, making the northern lights ...

Green skies are not a welcome sight for anyone spending time outside. Even if it's not likely that a tornado will touch down where you're at, green skies often indicate incoming severe weather.

A News5 viewer recently reached out asking us about what turns the sky green ahead of a thunderstorm. If you've do see a green sky, you know they're associated with very intense thunderstorms.

However, seeing a green sky does not necessarily mean that a tornado is imminent. It is also not a reliable indicator of a storm's intensity, since the change in color is likely linked to the time ...

Yes, green skies are fairly common in severe thunderstorms due to hail, the angle of the sun, and other factors, but it doesn't always mean a tornado is present or a tornado is about to form.