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Match each surface precipitation type with its description.
List I
A. Snow
B. Sleet
C. Freezing rain
D. Hail
List II
1. supercooled drops freezing on impact
2. aggregates of ice crystals reaching the ground
3. layered ice grown in a strong updraught
4. raindrops refrozen into transparent pellets

  • A.A-4, B-2, C-1, D-3
  • B.A-2, B-4, C-3, D-1
  • C.A-3, B-1, C-4, D-2
  • D.A-2, B-4, C-1, D-3

Answer: D

The four are distinguished by the temperature profile and by the updraught the particle grew in. Correctly forecasting which will occur is among the harder problems in winter weather. A few hundred metres of profile decides between them.

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