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Quiz

12. Thunderstorms

Jose Antonio Vazquez 10 Fragen 5,0 (4 Bewertungen)

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  1. 11- The conditions which must exist to allow thunderstorms to develop are:
    1. AA trigger action, a plentiful supply of moisture and a very stable atmosphere.
    2. BA steep lapse rate, a stable atmosphere through a large vertical extent and a plentiful supply of moisture.
    3. CA plentiful supply of moisture and a steep lapse rate through a large vertical extent and a trigger action.
    4. DA steep lapse rate through a large vertical extent, a low relative humidity and a trigger action.
  2. 22- Hazards of the mature stage of a TS cell include lightning, turbulence and:
    1. AMicroburst, windshear and anvil.
    2. BIcing, microburst and windshear.
    3. CIcing, drizzle and microburst.
    4. DWindshear, hail and fog.
  3. 33- Thunderstorms require a trigger action to release the conditional instability. Which of the following woud be the least suitable as a trigger:
    1. ACovergence in temperate latitudes.
    2. BConvergence in tropical latitudes.
    3. CSubsidence in tropical latitudes.
    4. DConvection in polar latitudes.
  4. 44. During the _____ stage of a thunderstorm cell, the cloud contains _____ . Complete the above statement correctly using one o
    1. ABuilding / up currents and down currents.
    2. BMature / up currents and down currents.
    3. CDissipating / up currents and down currents.
    4. DBuilding / down currents only.
  5. 55- The following is unlikely to be a hazard below a thunderstorm:
    1. ASevere turbulence.
    2. BSevere icing.
    3. CWindshear.
    4. DLarge variations in pressure setting values.
  6. 66- Thunderstorms are likely if:
    1. AAir is unstable, there is sufficient water vapour and there is a trigger action.
    2. BAir is completely stable, there is sufficient water vapour and there is lifting orographically.
    3. CThere is a warm front.
    4. DThere is a col in winter.
  7. 77- Hail grows by:
    1. AFreezing as it leaves the cloud.
    2. BBy up and down progress in CU cloud.
    3. CBy collision with supercooled water drops.
    4. DBy collision with ice crystals.
  8. 88- How long approximately does a Cumulonimbus cell take to complete the full cycle from the Cumulus (building) to dissipating stage?
    1. A2-3 hours.
    2. B1-2 hours.
    3. C4-5 hours.
    4. DAbout 1 hour
  9. 99- A microburst usually lasts for _____ and is about _____ across.
    1. A20 minutes. 20 nm.
    2. B5 minutes. 5 km.
    3. C30 minutes. 10 km.
    4. D45 minutes. 5 nm.
  10. 1010- When flying through an active CB cloud, lightning strikes are most likely:
    1. AAbove 5000' and underneath the anvil.
    2. BIn the clear air below the the cloud in rain.
    3. CIn the temperature band between +10ºC and -10ºC.
    4. DAt about 10000 ft above AMSL.

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Beschreibung
Tema 1 Meteo Quiz am 12. Thunderstorms, erstellt von Jose Antonio Vazquez am 05/01/2018.
Sprache
Español
Aufrufe
551
Schlagwörter
thviwemeteotema 1
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