June 11th, 2008 Iowa Tornadic Supercells
Last Updated on Monday, 04 January 2010 18:35 Written by Roger Hill
June 11th was highly advertised as a big tornado potential day. Shortwave energy was ejecting from the high plains and would interact with a boundary from northern Kansas through Iowa and Minnesota. By the end of the day, several fatal tornadoes would occur, with the most noted being the Little Sioux, Iowa tornado and the Manhattan, Kansas tornado. We chased in Iowa this day and intercepted several storms that had tornado warnings, including the Little Sioux storm, which was quite messy and rain clogged. Click on the images below for a larger photo.
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Tornado warned supercell develops just south of Sioux City, IA. |
Storm develops nice structure and anvil. |
Rotating wall cloud as the storm started to take on linear tendancies. |
Another supercell develops near Onawa and is quickly tornado warned. It had a nice merry go round appearance with numerous short lived funnels at times. Nothing touched down that we observed. |
Little Sioux storm. |
Another shot of the Little Sioux storm. |
Shelf cloud as the now squall line approaches Emerson, IA. |
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