Tuba (cloud)
Tuba ( Latin for "tube, wind instrument in ancient Rome with elongated tube and narrow bell ") denotes, according to WMO , a column or an inverted cone in a cloud that grows out of the cloud base . This makes a strong vortex movement visible (see Trombe ). This special form occurs with Cumulonimbus and less frequently with Cumulus .
Delimitation: A Tuba without ground contact is called funnel cloud ( Funnelcloud called).
Web links
- Karlsruhe Cloud Atlas: Cumulonimbus praecipitatio tuba
- Tuba . In: International Cloud Atlas of the World Meteorological Organization