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Consider the following statements about the Z-R relationship.
1. It links radar reflectivity to rainfall rate empirically.
2. Different coefficients suit convective and stratiform rain.
3. A single universal relationship applies to all rainfall types.

  • A.All of them
  • B.1 and 2 only
  • C.3 only
  • D.1 only

Answer: B

The first two are correct and reflect standard radar practice. The third is not so, because the drop size distribution differs systematically between rain types and no single fit serves them all. Operational radars switch coefficients by precipitation type.

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