Washington Illinois EF4 tornado path.....from 11/17/2013. Notice - TopicsExpress



          

Washington Illinois EF4 tornado path.....from 11/17/2013. Notice the scaring...or scouring in the ground. This is caused from the smaller sub vortices which rotate around the parent tornado......this is why your house may get spared but you neighbor next door gets their house taken away....the winds of the parent tornado may be 140mph ...but the speed of the smaller tornadoes may be spinning over 300 mph. This can scour grass out of the ground or scour pavement off the highway......you can see an example of the smaller vortices spinning around the bottom of the parent tornado in this picture I shot of the Carney Oklahoma tornado 5/19/13
Posted on: Mon, 18 Nov 2013 23:06:41 +0000

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