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Lenticular cloud - Quiz
Contributed by: Long
  • 1. What is the Latin meaning of the word 'lenticular'?
A) Mountain-shaped
B) Saucer-sized
C) Lentil-shaped
D) Cloud-like
  • 2. In which layer of the atmosphere do lenticular clouds primarily form?
A) Troposphere
B) Thermosphere
C) Mesosphere
D) Stratosphere
  • 3. Which clouds, sometimes found in the lower stratosphere, can have a lenticular shape?
A) Cirrus
B) Cumulus
C) Nacreous
D) Stratus
  • 4. Which of the following is a recognized type of lenticular cloud?
A) Cumulonimbus standing lenticular
B) Altocumulus standing lenticular (ACSL)
C) Nimbostratus standing lenticular
D) Altostratus standing lenticular
  • 5. Lenticular clouds typically align in what direction relative to the wind?
A) Opposite
B) Parallel
C) Diagonal
D) Perpendicular
  • 6. What is the term for a formation created by long strings of lenticular clouds?
A) Lens formation
B) Saucer chain
C) Turbulence band
D) Wave cloud
  • 7. On which side of a mountain do large-scale standing waves typically form?
A) Southern
B) Leeward
C) Windward
D) Northern
  • 8. What must happen at the crest of the wave for a lenticular cloud to form?
A) Humidity drops to zero
B) Wind speed decreases to zero
C) Temperature drops below the dew point
D) Temperature rises above the boiling point
  • 9. Why have lenticular clouds often been mistaken for UFOs?
A) Their bright, flashing lights
B) Their sudden appearance and disappearance
C) Their high speed movement
D) Their lens or saucer-like shape
  • 10. What are the bright colors sometimes seen along the edge of these clouds called?
A) Iridescence
B) Refraction
C) Diffraction
D) Haloing
  • 11. Why do pilots of powered aircraft generally avoid lenticular clouds?
A) Extreme cold
B) Static electricity
C) Turbulence and sinking air
D) Low visibility
  • 12. Which group of pilots actively seeks out lenticular clouds for lift?
A) Glider pilots
B) Helicopter pilots
C) Commercial airline pilots
D) Military pilots
  • 13. Where does the upward-moving air that glider pilots use typically occur?
A) At the leading edge
B) At the trailing edge
C) In the center of the cloud
D) Above the cloud
  • 14. Lenticular clouds generally do not form over what type of terrain?
A) Low-lying or flat
B) Mountainous
C) Rugged
D) Hilly
  • 15. What is the name for the type of lift provided by lenticular wave systems?
A) Ridge lift
B) Wave lift
C) Dynamic lift
D) Thermal lift
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