'(Video clip from the Science Center of Minnesota)  It's believed that tornadoes begin with a rising current of warm air called this, which eventually starts rotating'
updraft
A WINDY CATEGORY: Its believed that tornadoes begin with a rising current of warm air called this, which eventually starts rotating
It's believed that tornadoes begin with a rising current of warm air called this, which eventually starts rotating
It's believed that tornadoes begin with a rising current of warm air called this, which eventually starts rotating
A WINDY CATEGORY
updraft
A WINDY CATEGORY