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Weather & Meteorology Flashcards

6 cards from real Aviation practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Weather & Meteorology flashcards as text

  1. In a METAR, the remark 'TS' indicates which condition?

    Answer: Thunderstorm

    In a METAR or TAF, 'TS' is the abbreviation for thunderstorm.

  2. What is a microburst?

    Answer: An intense, localized downdraft that spreads out at the surface causing dangerous wind shear

    A microburst is a small-scale, intense downdraft that impacts the ground and spreads outward, creating severe wind shear that can cause rapid airspeed changes.

  3. What cloud type is most associated with severe turbulence and icing?

    Answer: Cumulonimbus

    Cumulonimbus (CB) clouds are associated with thunderstorms, severe turbulence, heavy icing, and other extreme weather hazards.

  4. A Wind Shear PIREP containing 'MDT LLWS' indicates which condition?

    Answer: Moderate low-level wind shear

    MDT LLWS in a PIREP stands for moderate low-level wind shear, reported by a pilot during flight.

  5. At what relative humidity does structural icing typically begin to form on an aircraft?

    Answer: 100% relative humidity with temperatures between 0°C and -20°C

    Structural icing forms when an aircraft flies through visible moisture (near 100% humidity) at temperatures between 0°C and approximately -20°C.

  6. What is the meaning of the METAR sky condition 'BKN025'?

    Answer: Broken clouds at 2,500 ft AGL

    BKN025 means a broken cloud layer (5/8 to 7/8 sky coverage) at 2,500 ft above ground level.