|Funnel cloud: a condensation funnel extending
from the base of a towering Cumulus or Cumulonimbus, associated with a
rotating column of air that is not in contact with the ground
(and hence different from a tornado). A condensation funnel is a
tornado, not a funnel cloud, if either a) it is in contact with
the ground or b) a debris or dust whirl is visible beneath it. In my
area quite rare with frequency normally less than one a year.
Date read as: year-month-day-hour and minutes in CET (Central European Time). © SkyStef.
|2004/07/17 18:26 S.|
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