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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 area typically known as  Tornado Alley. 
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           | Source | 
           Image from a booklet from  Federal Emergency Management Agency, a United States government agency, titled  Taking Shelter from the Storm: Building a Safe Room Inside your House, FEMA 320, Figure 1.1, page 3 | 
          
          
           | Author | 
           FEMA personnel | 
          
          
           Permission ( Reusing this file) | 
           
            
             
              | Public domainPublic domainfalsefalse | 
              
             
            
             
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              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. Additional media usage information may be found at  http://www.fema.gov/help/usage.shtm 
                česky |  English |  eesti |  italiano |  македонски |  മലയാളം |  Nederlands |  polski |  Türkçe |  中文 |  中文(简体) |  +/− 
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         Licensing 
        
         
          | Public domainPublic domainfalsefalse | 
         
        
        
         
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          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. Additional media usage information may be found at  http://www.fema.gov/help/usage.shtm 
            česky |  English |  eesti |  italiano |  македонски |  മലയാളം |  Nederlands |  polski |  Türkçe |  中文 |  中文(简体) |  +/− 
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       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
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