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Discussion

Match each rainfall rate with its conventional description.
List I
A. under 2.5 mm per hour
B. 2.5 to 10 mm per hour
C. 10 to 50 mm per hour
D. over 50 mm per hour
List II
1. heavy
2. light
3. violent
4. moderate

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

Answer: A

The thresholds are conventions rather than physical boundaries and vary slightly between services. They are used chiefly for the consistent reporting of observations and warnings. Consistency between stations matters more than exact boundaries.

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