Absolutely Textbook Supercell with Hook Echo in Nebraska

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At 5:18pm, a classic supercell with a hook echo -- a known signature a tornado since the late 1940's -- is in progress in southeast Nebraska. There is a confirmed, damaging tornado with the hook. Right now, it seems to be headed for the Auburn area and then the Missouri River into Missouri. 
This is a very dangerous situation. If you know someone in the area, please call to make sure they are aware. 


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