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WAFS Volcanic Ash Facsimile (T4) Charts


NOTICE - You may use the FTP Server for an alternate download.

The volcanic ash products available are:

  1. Ash Cloud 00-24 HR FCST (geographical area of concern) multiple panels from VACC, Washington or Anchorage
    Size: 43.7K - Updated: Sun Nov 16 22:50:47 2014 UTC
  2. Ash Cloud 24-36 HR FCST (geographical area of concern) multiple panels from VAAC, Washington or Anchorage
    Size: 43.8K - Updated: Sun Nov 16 22:50:47 2014 UTC
  • The latest version of each weather chart available for distribution from the NWS Telecommunication Gateway Server.
  • The charts are in G4 (T4) format and enveloped in TIFF for viewing. You will need an external or plug-in viewer to display the TIFF files.
  • A chart reference guide is provided for your information.
  • These files are also available via email.

  • US Dept of Commerce
    National Oceanic and Atmospheric Administration
    National Weather Service
    Office of the Chief Information Officer (OCIO)
    1325 East West Highway
    Silver Spring, MD 20910
    Page last modified: January 18, 2008
    Page Author: Internet Services Group
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