Talk:Funnel cloud

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A few handy references for terms are:

• AMS Glossary of Meteorology
• NWS Glossary
• A Comprehensive Glossary of Weather Terms for Storm Spotters (NWS)

Evolauxia 01:40, 28 March 2007 (UTC)[reply]

funnel cloud—A condensation cloud, typically funnel-shaped and extending outward from a cumuliform cloud, associated with a rotating column of air (a vortex) that may or may not be in contact with the ground. If the rotation is violent and in contact with the ground, the vortex is a tornado.

Funnel clouds can occur through a variety of processes in association with convection. For example, small funnel clouds are infrequently seen extending from small, dissipating cumulus clouds in environments with significant vertical wind shear in the cloud-bearing layer.

Bluestein, H., 1994: High-based funnel clouds in the Southern Plains. Mon. Wea. Rev., 122, 2631–2638.

From a *.*gov image search, some public use photographs are available:

• Kirksville, MO Cold Air Funnel 08-26-2006
• June 14, 1999 Funnel Cloud East of Rapid City, SD
• Photographs of Funnel Cloud near Portland, September 1, 2001

Evolauxia (talk) 21:43, 17 December 2007 (UTC)[reply]

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