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Question

The upper part of a thunderstorm cloud is normally _____ charged, and the middle and lower parts are _____ charged. Choose the right combination from the list below to fill in the blanks in the right order.

The correct answer is
positively, negatively

Thunderstorm Cloud Charge Distribution

Charge separation in thunderstorm clouds (cumulonimbus) occurs due to collisions between precipitation particles like ice crystals and graupel, driven by updrafts and downdrafts.

  • Lighter ice crystals gain a positive charge and are carried upward.
  • Heavier graupel particles gain a negative charge and remain in the lower/middle regions.

This results in a specific electrical structure:

  • Upper Part: Positively charged (+)
  • Middle and Lower Parts: Negatively charged (-)

Therefore, the correct combination for the blanks is 'positively, negatively'.

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Important Questions from Cloud Formation and Weather Systems

  1. Conditional instability is said to occur when the atmospheric lapse rate is:
  2. Which of the following conditions is NOT required for tropical cyclone development?
  3. Anvil cloud tops are associated with the following cloud type:
  4. With reference to the development of convective clouds with large vertical extent, the clouds need to have
  5. Identify the INCORRECT statement

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