Supercell (IMAGE)

American Geophysical Union

Supercell

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A supercell storm, known to produce violent tornadoes, forms in Courtney, Oklahoma in April 2014. A new study shows that peak tornado activity is occurring nearly two weeks earlier in Oklahoma, Kansas, and northern Texas, according to a new study published in Geophysical Research Letters.

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Credit: Kelly DeLay/Flickr

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