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METAR Decoding

Consider the fabricated report 'KORD 031751Z 30015G28KT 3SM -RA BR BKN008 OVC015 16/15 A2985'. Which summary is correct?

  • A.Calm winds, 10 miles visibility, and clear skies below 12,000 feet
  • B.Southeast winds, heavy snow, and a ceiling of 8,000 feet AGL
  • C.Gusty northwest winds, 3 miles visibility in light rain and mist, ceiling 800 feet AGL
Correct answer

C. Gusty northwest winds, 3 miles visibility in light rain and mist, ceiling 800 feet AGL

Why

The wind is 300 degrees at 15 knots gusting to 28, light rain and mist reduce visibility to 3 miles, and the lowest broken layer at 800 feet AGL sets the ceiling. The 16/15 temperature-dew point pair shows air very close to saturation.

Source: FAA-G-8082-22 Ch. 3 · ACS knowledge area: Aviation Weather Sources and Effects · From the Aviation Weather practice bank (WEA-077).

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