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Last Updated on Sunday, 10 January 2010 01:49 Written by Roger Hill

2000

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This is the second damaging tornado from the cyclic supercell on May 11, 2000 in Blackhawk county, Iowa. This tornado formed to the southeast of the decaying original tornado and ended up damaging part of the town of Dunkerton. Unfortunately, Dunkerton had been damaged in 1999 by floods, and now was to suffer again only a year later. The tornado traveled in a northeast direction and clipped the western side of town causing up to F3 damage to some buildings.

Tornado is first visible as a dirt swirl on the ground a mile to my east.	The dirt swirl grows and starts to fill in to the cloud base.
Tornado fills in more and is getting stronger.	Dirt lifts to the cloud base as a condensation funnel appears.
Tornado continues to strengthen.	RFD from the original tornado interacts with new tornado and pushes it southward.
Zoomed in 4x shot of the tornado as it approaches Dunkerton to the left.	The tornado is now in the town of Dunkerton causing F3 damage.
Beautiful shot of the tornado as it starts to weaken.	Tornado continues to weaken east of Dunkerton.
Another shot as the tornado continues to weaken.	The tornado has dissipated, but the third tornado is about to develop. See the Blackhawk county page for the remaining tornadoes.