How can we be safe from tornadoes?

A junior professor drives his Doppler On Wheels mobile radar trucks through Moore, Oklahoma, less than 90 seconds after a tornado has torn a path of destruction through the city. Debris -- pieces of homes -- falls from the sky onto his truck. The scene is shocking; wrecks of houses covered with dirt are all that is left in the twister's path, and people are still huddled underground in shelters.



via CNN.com - Top Stories http://edition.cnn.com/2013/05/22/opinion/wurman-tornado-prediction/index.html?eref=edition