  | 
          
            This is a file from the  Wikimedia Commons. Information from its  description page there is shown below.  Commons is a freely licensed media file repository.  You can help. 
           | 
         
        
        
       
        
         
          
           | Public domainPublic domainfalsefalse | 
          
         
         
          
             | 
           This file is in the  public domain because it was solely created by  NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See  Template:PD-USGov,  NASA copyright policy page or  JPL Image Use Policy.) | 
           
            
            | 
          
         
         
          
           | 
            
            | 
           Warnings:
             - Use of  NASA logos, insignia and emblems are restricted per US law  14 CFR 1221.
 
             - The NASA website hosts a large number of images from the  Soviet/ Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
 
             - Materials based on  Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the  STScI.  See also {{ PD-Hubble}} and {{ Cc-Hubble}}.
 
             - The  SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use.  
 
             - Images featured on the  Astronomy Picture of the Day (APOD) web site may be copyrighted.  
 
             
            | 
          
         
         
         http://earthobservatory.nasa.gov/Library/Hurricanes/Images/carribean_wave.gif
         Hurricane convergence zone in the Atlantic Ocean. Graphic by Robert Simmon, NASA GSFC.
        
         
                 | 
          This image was (or all images in this article or category were)  uploaded in the  GIF format, while a different format would have been more suitable. Commons discourages the use of GIF files, except for animations. See  Commons:File types for more information. If possible, please upload a PNG version (or JPEG for some photos) of this image, and mark the GIF image as {{ superseded|Image:new image name}}. If you like, encourage  other Wikimedia projects using the GIF to use the new version instead. 
           If this image is a diagram or other image suitable for  vectorisation, please tag this image with {{ convert to SVG}} instead of {{ badGIF}}. If not suitable for vectorisation, use {{ convert to PNG}}. 
           | 
         
        
        
        
        
       File usage
       
        The following pages on Schools Wikipedia link to this image (list may be incomplete):
        
        
       
      Wikipedia for Schools was collected by SOS Children. SOS Children's Villages is an international children's charity, providing a good home and loving family to thousands of children who have lost their parents. We also work with communities to help vulnerable families stay together and raise children in the best possible environment. Would you like to sponsor a child?