wall cloud


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Related to wall cloud: Shelf cloud

wall cloud

A well-defined bank of vertically developed clouds with a wall-like appearance, often dropping below the level of the general overcast.
References in periodicals archive ?
Eyes will not only tell the intensity of the rain, seeing the outflow from the storm, a shelf or wall cloud that precedes the storm and the actual width of the holes or breaks is the best way to decide whether to punch or run.
After that, no more tornadoes were reported, but this supercell continued to produce large hail, straight-line wind damage, a massive wall cloud, and funnel clouds until it moved over Lake Michigan between the cities of Racine and Kenosha.
Satellites can show the clouds, their temperature and moisture content, but it takes a spotter to see the wall cloud forming beneath the anvil shape of a thunderhead that often precedes a tornado - the last one in Lane County hit Creswell in 1999.
The wall clouds in Hurricane Camille had winds of more than 155 miles (248 km) per hour.
They learn about specific types of could formations, like wall clouds, that are an imminent sign a tornado is about to form," Mr.