Skip to main content
ElTiempo

Code Reference

Aviation weather code guide

Weather Phenomena

Intensity:

  • -Light
  • Moderate
  • +Heavy
  • VCIn vicinity

Precipitation:

  • RARain
  • SNSnow
  • DZDrizzle
  • GRHail
  • SHShowers
  • TSThunderstorm

Obscuration:

  • BRMist
  • FGFog
  • HZHaze
  • FUSmoke

Cloud Coverage

  • SKC / CLRSky clear (0/8)
  • FEWFew (1-2/8)
  • SCTScattered (3-4/8)
  • BKNBroken (5-7/8)
  • OVCOvercast (8/8)

CB Cumulonimbus

TCU Towering Cumulus

Flight Categories

  • VFRVisual Flight Rules

    Ceiling >3000 ft and visibility >5 SM

  • MVFRMarginal VFR

    Ceiling 1000-3000 ft or visibility 3-5 SM

  • IFRInstrument Flight Rules

    Ceiling 500-1000 ft or visibility 1-3 SM

  • LIFRLow IFR

    Ceiling <500 ft or visibility <1 SM

METAR Structure

SUMU011200Z18015G25KT9999-RAFEW03022/15Q1018

  1. 1SUMUICAO Code
  2. 2011200ZDay and time UTC
  3. 318015G25KTWind (dir/speed/gusts)
  4. 49999Visibility (meters)
  5. 5-RAPhenomena
  6. 6FEW030Clouds (type/height)
  7. 722/15Temp/Dew (°C)
  8. 8Q1018QNH (hPa)

Additional resources

This guide provides a quick reference to the most common codes used in METAR reports and TAF forecasts. For more detailed information, consult official ICAO (International Civil Aviation Organization) publications.

Decode METARDecode TAFSearch airport