1.   Go to the basement, if available, or an interior hall-
     way.

2.   Upper floors are unsafe.  If there is no time to de-
     
     scend, go to a closet, a small room with strong walls,
     or an inside hallway.

3.   Do not remain inside a vehicle.  As a last resort, and
     if no ditch or ravine is nearby, crawl under the vehi-
     cle.

4.   If in open country and time permits, locate suitable
     shelter.  If not, lie in the nearest ditch or ravine. 
     Be alert for flash floods.