They are the most dangerous form of severe weather and the most difficult to predict. Of course, we are talking about tornadoes, but how do they form? Tornadoes develop from severe ...

Tornadoes are complex and tough to predict but this short documentary from NASA is a good introduction to how they work. Researcher Tim Samaras explains how different weather systems collide across ...

Soon after a stunning tornado touched down south of North Platte, Nebraska, storm chasers hailed it as “the tornado of the year” — a photogenic funnel that dazzled onlookers for 45 minutes but ...

Lou White, a Facebook follower of mine in Kentucky, asked me about tornado debris in his home county. That county is Leslie County, Kentucky, which borders with the far southwest corner of Virginia.

In this short NASA documentary, storm researcher Tim Samaras describes how satellite imaging can help predict tornadoes. Because it's unclear exactly how various weather conditions come together to ...