Tuesday, July 9, 2013

Today's Severe Thunderstorm Outlook

This is the largest we have seen in a while. Fifteen percent is the significant threshold for wind gusts of 58 mph or higher and/or hail 1" in diameter or larger.
Fortunately, the risk of tornadoes is low.

Minneapolis' Airport already has a ground stop due to thunderstorms. The storms now in eastern Iowa will likely affect Chicago later today.

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