June 17, 2014

Northwestern South Dakota Supercell

We didn't do as well today as we did yesterday. Drove more than 12 hours to see a supercell when we could have driven an hour to see a dramatic tornado. Oh, well. It's still fun and better than a day at work. The supercell we saw had one of the most persistent mesocyclones I have ever witnessed. I was hoping for some sort of regeneration outside of the rain area, but the meso persisted until we left and drove to Lemmon, SD at night. Meanwhile, I watched some great video (during a rest stop on our way back) of tornadoes just 50 miles (or less) south of where we started the day.

South Dakota Storm
Supercell storm in northwestern South Dakota.
South Dakota Storm
Sames storm about an hour later.

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