tornado

 

A tornado is in unstableThe weatherbyairstrongconvectionAs a result of the movement with a high speed rotating funnelThe pillar of cloudwindsvortex.Near the centerWind speedUp to 100 m/s ~ 200 m/s, the biggest 300 m/s, more thanThe typhoon(produce sea) near central maximum wind speed big several times.The tornado destructive, its after place, often happen, uprooted trees over vehicles, destroy the phenomenon such as buildings, and even to attract people.Early May 2011, the United StatescountriesSouth encounter a tornado, a large number of the town was destroyed, hundreds of people were killed.On May 3,.HawaiiHonolulu harbour appear even "double suction" rare landscape.On August 26, 2012, 17,, jiangsuHongze lakeAppear great"Dragon suction"Spectacular landscape.