Uploaded July 2026 | Updated September 2026, 1 day ago
While getting into position to deploy optical disdrometers, this brief tornado formed to our southwest near Gann Valley, South Dakota.
Date and Time: 7/2/2026 at 3:10 pm CT
Location: Gann Valley, South Dakota in Buffalo County
Camera: iPhone 15 Pro Max
Find me online here: https://linktr.ee/derek130wx
© 2026 Derek Thompson
While getting into position to deploy optical disdrometers, this brief tornado formed to our southwest near Gann Valley, South Dakota.
Date and Time: 7/2/2026 at 3:10 pm CT
Location: Gann Valley, South Dakota in Buffalo County
Camera: iPhone 15 Pro Max
Find me online here: https://linktr.ee/derek130wx
© 2026 Derek Thompson










