The table below shows the standard layout of a METAR (AFTN code SA) or SPECI (AFTN code SP).

Not all information will be shown on all reports as information is omitted if not applicable. The items which are required are:

  • Items 1, 3 and 4: Identification groups
  • Item 5: Wind group
  • Item 8: Visibility group
  • Item 11: Weather group
  • Item 12: Cloud group
  • Item 14: Temperature group
  • Item 15: QNH

If an item is not observed or observation equipment is faulty the applicable data will be replaced by one “/” per character.

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