run where? 200 mph winds and a half mile wide?
they are saying it was 2 miles wide
If it's moving to your left, run 90 degrees to your right and look for a low spot. If it's moving to your right, run 90 degrees to your left and look for a low spot. If it appears to not be moving either left or right, pick one direction 90 degrees from the direction you are facing and look for a low spot. Every child in tornado alley probably already knows this, or should - presuming they are not ordered into a corner of a building built by the lowest bidder by an authority figure.