THE TORNADO T- SCALE

• T7 STRONGLY-DEVASTATING TORNADO 84 - 95 m/s (187-212 mph

• Wooden-frame houses wholly demolished; some walls of stone or brick houses beaten down or collapse; steel-framed warehouse-type constructions may buckle slightly. Locomotives thrown over. Noticeable de-barking of trees by flying debris.

• T8 SEVERELY-DEVASTATING TORNADO 96-107 m/s (213-240 mph)

• Motor cars hurled great distances. Frame houses and their contents dispersed over big distances; stone or brick houses irreparably damaged; steel-framed buildings buckled.

• T9 INTENSELY-DEVASTATING TORNADO 108 - 120 m/s (241-269 mph). Many steel-framed buildings badly damaged. Locomotives or trains hurled some distances. Complete debarking of any standing tree-trunks.

• T10 SUPER TORNADO 121 - 134 m/s (270-299 mph)

• Entire frame houses and similar buildings lifted bodily from foundations and carried some distances. Steel-reinforced concrete buildings may be severely damaged.

Notes: