Tornado Wind Speeds
Tornado storm shelters shall be 250 mph regardless of location.
Hurricane Wind Speeds
Hurricane shelters range from 160 mph to 220 mph.
ICC 500-2014
ASTM E1886-05/13A
ASTM E330-02
ASTM E1996-09/14A
ANSI 250.13-2008
FEMA P-361–2015
FEMA 320-2014