Beaufort Scale
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
Collections:
Religious Studies, Education, Psychology, History, Literature, Philosophy, Entire Library
...gale, whole gale, storm, hurricane. Zero (calm) is a wind...6 km) per hr, and 12 (hurricane) represents a velocity of...Separate scales for tornadoes and hurricanes did not come until the 1970s...Saffir-Simpson scale for hurricanes was formulated by Herbert...