Tropical cyclone scales barometric pressure is low compared with its surroundings. Other classifications historically used include: cyclonic storm where the winds did not exceed force 10 on the Beaufort scale and a Cyclone where the winds are either force 11 and 12 on the Beaufort scale. Between 1924 and 1988, tropical cyclones were classified into four categories: depression, deep depression, cyclonic storms and severe cyclonic storms. However, a change was made during 1988 to introduce the category "severe cyclonic storm with core of hurricane winds" for tropical cyclones, with wind speeds of more than . During 1999 the categories Very Severe Cyclonic Storm
Connectedness to nature scale the CNS (“I feel that all inhabitants of the Earth, human and nonhuman, share a common life force”), does not mean an emotional state but a “cognitive assessment,”. Based on the definition of the word feel as cognition, Mayer and Frantz were correct in using this word in the measurement of a person’s beliefs; however, they cannot accurately call the scale an affect-measuring one since the use of feel does not suggest an emotion. Nearly half of the items on the CNS involve no emotional content, while the rest contain that word feel, which in this context, really refers to