Mini tornadoes have swept across parts of Yorkshire and caused damage to trees and homes. One viewer, Alex, sent us these pictures of the chaos it caused in Leeds
Loads of rain fell in half an hour on Thursday afternoon. Trees were damaged by the wind and lightning strikes
Tornadoes happen when warm wind meets a cold one. But they don't often happen in the UK
The wind is often so strong that it destroys everything in its path - in Leeds it even uprooted this tree
Three schools in Leeds were closed on Friday as people started to clear up the mess and mend walls like this one that was hit by a falling tree!