Precipitation shaft

A rain shaft at the base of a thunderstorm

A precipitation shaft is a weather phenomenon, visible from the ground at large distances from the storm system, as a dark vertical shaft of heavy rain, hail, or snow, generally localized over a relatively small area.

This is different from a virga, which is a shaft of precipitation that evaporates before reaching the ground.

单词	Rainshaft
释义	Rainshaft 英语百科 Precipitation shaft A precipitation shaft is a weather phenomenon, visible from the ground at large distances from the storm system, as a dark vertical shaft of heavy rain, hail, or snow, generally localized over a relatively small area. This is different from a virga, which is a shaft of precipitation that evaporates before reaching the ground.
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Rainshaft

Precipitation shaft