Radar OSA Practice Test

Which weather condition corresponds to the indicated maximum on the radar readout?

Light rain Drizzle Heavy rain Hail

Correct Answer:

Heavy rain

Explanation:

Radar reflectivity grows with precipitation intensity—the stronger the echo, the heavier the precipitation. The maximum on the readout marks the area with the strongest return, so it points to the heaviest rainfall in view. Light rain and drizzle produce weaker echoes and sit lower on the scale, while hail can produce extremely high echoes and sometimes distinct signatures; if the observed maximum aligns with the range typical for heavy rain and there isn’t a hail-specific pattern, heavy rain is the best match.

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