Discussion
Consider the following statements about combining radar and gauges.
1. Gauges provide accurate point values for calibration.
2. Radar provides the spatial pattern between the gauges.
3. Radar alone is more accurate at a point than a gauge.
Answer: A
The first two are correct and describe the standard approach. The third is wrong, since the radar measures a volume aloft and infers what reaches the ground indirectly. The beam samples aloft and may miss shallow precipitation.
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