A Million Green Ideas

Speaker: Joan Clos Chair: Tony Travers This event was recorded on 28 March 2011 in Hong Kong Theatre, Clement House Joan Clos, United Nations Under Secretary-General and Executive Director of UN-HABITAT examines climate change in an urban context and discusses UN Habitat’s new Global Report on Human Settlements: Cities and Climate Change. Editor’s note: We apologise for the poor audio quality throughout the question and answer session.

Is this why tornadoes are so rare in big cities? Is it something about all the big buildings and congestion? Almost everytime they show a tornado its always in the middle of no where in a corn field somewhere. What causes most big tornadoes to stay away from the city?

Best reply by John C:

The heat dome!

Read the original question on Yahoo! site
Is there something about the urban city environment that helps kill or weaken tornadoes?