Windows to the Universe

This is a typical image of a tornado spawning from a large cumulonimbus cloud.
(NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)

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This is a typical image of a tornado spawning from a large cumulonimbus cloud. (NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)

This is a typical image of a tornado spawning from a large cumulonimbus cloud. (NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)

This is a typical image of a tornado spawning from a large cumulonimbus cloud. (NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)

This is a typical image of a tornado spawning from a large cumulonimbus cloud.
(NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)

This is a typical image of a tornado spawning from a large cumulonimbus cloud.
(NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)

This is a typical image of a tornado spawning from a large cumulonimbus cloud.
(NOAA Storm Spotters Guide and the University of Illinois Cloud Catalog)