"You canker blossom!" 3 Shakespearean Insults
a classification system for the severity of a tornado based on the damage done; also called F-Scale
F0, or "light" (winds of 40-72 mph; some damage to chimneys, TV antennas, roof shingles, trees, signs, and windows), accounts for about 28% of all tornadoes.
named for the meteorologist Tetsuya Theodore Fujita