Before and After

Above, the remnant of a storm system producing a tornado near Williamsburg, Iowa around 6:00pm CDT on Tuesday, July 11, 2017 is shown in the SE sky at 8:30 pm after it had passed and fallen below severe limits. Camera location was the Bowman Meadows housing development in Marion, Iowa. The disintegrating cell was at this time located near Atalissa, Iowa in Muscatine County, about 40 miles distant.

Meanwhile, three minutes later in the north-northeast sky at the same location, this storm system is shown before becoming fully organized. The cell, located about 60 miles distant, stretched from Ossian, Iowa in Winneshiek County (left) east to Dubuque, Iowa--some 68 miles. Less than an hour later a radar-indicated tornado warning occurred from it in Clayton County. Heavy rain ensued in many areas, with Millville, Iowa getting hit especially hard with 10 inches.

A closer view of the west edge of the sun-reflected storm cell at 8:33 pm, with a strong updraft evident. Nikon D7200 DSLR camera.

Radar capture of this moment, with my position indicated by the target icon.