6:40pm Storm Update

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Radar at 6:30pm.  Only one tornado warning for northern Iowa. The pink counties are still under a tornado watch. 

The wind gusts of 100 mph or stronger have been reported in several locations. 
Sparks flying from a blown over tractor-trailer. 

Below is an image of this unprecedented storm at 4pm. 

I have tweeted more than 100 storm warning bulletins today @usweatherexpert. 

This will be the last blog update.

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