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Summary

Description
English: A map of the frequency of F3 and greater intensity tornadoes by area. The darker colors highlight the areas typically known as a Tornado Alley.
Date
Source Image from Federal Emergency Management Agency, a United States government agency, booklet FEMA 320 Third Edition, Section 1, Figure 1.1, page 3, titled Taking Shelter from the Storm: Building a Safe Room Inside your House
Author FEMA personnel

Licensing

Public domain
This image is a work of a Federal Emergency Management Agency employee, taken or made as part of that person's official duties. As works of the U.S. federal government, all FEMA images are in the public domain in the United States. Additional media usage information may be found at https://www.fema.gov/photo-video-audio-use-guidelines

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August 2008

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Date/TimeThumbnailDimensionsUserComment
current 23:31, 20 May 2017 Thumbnail for version as of 23:31, 20 May 2017820 × 643 (1.26 MB)QwewqaRotate and add margins
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22:56, 20 May 2017 Thumbnail for version as of 22:56, 20 May 2017651 × 801 (1.28 MB)QwewqaUser created page with UploadWizard
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