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Aviation Routine Weather Report (METAR)

A METAR is a weather report for a specific place and time, encoded in a standardized format.

METARs include:

  • Day of the month and zulu time of observation
  • Wind (given relative to true north)
  • Visibility
  • Cloud cover (ceilings given in AGL)
  • Temperature and dewpoint
  • Altimeter
  • Remarks

METARs are published hourly, however if conditions change rapidly, a SPECI report may be issued.

Some example METARs:

KGRI
011400Z
11010KT
10SM
BKN011
OVC029
19/16
A2993
RMK
AO2
T01890161

References