Below: This is a satellite view of the same storm that spawned the tornado south of Malta on July 21, 2001. The image, which is provided by the G.O.E.S. East Satellite, shows the position of the squall line (between arrows) at 7 pm MDT. A squall line is a line of thunderstorms formed along a cold front as colder air pushes into warmer, especially humid air.

Image courtesy of NOAA

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Back to the RADAR image of the tornado

By Rod Benson
Earth Science Teacher at Helena High School

Email: rbenson@metnet.state.mt.us

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