As I left work yesterday at about 5:30, these massive clouds to the south compelled my attention. The radio was reporting thunderstorm activity along the I-90 corridor, but here in Northfield it was clear and hot.
I was interested in the horizontal streaks appearing in front of the main cloudmass, visible in the next two photos, taken zooming in considerably on the scene shown above.
Looking south down Water Street...
This last photo, below, taken from Prairie Street approaching Jefferson Parkway, gives another view of how very large and solid the southern storm system was..