clouds

A tornado watch that was is in effect for Winnipeg and much of southern Manitoba has ended. Environment Canada had said conditions were favourable for the development of funnel clouds or weak tornadoes Saturday afternoon. Funnel clouds produced by Saturdays's weather conditions don't normally...

Study: Aircraft can produce precipitation BOULDER, Colo., (UPI) -- A U.S. study has shown aircraft climbing or descending under certain conditions can cause snow or rain to develop and fall to the ground. Turboprop and jet aircraft inadvertently seed mid-level clouds, leaving behind odd-shaped...