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
Duchess of Beaufort name from a place outside the British Isles. The family seat is Badminton House near Chipping Sodbury in the unitary authority of South Gloucestershire. The principal burial place of the Dukes and Duchesses of Beaufort is St Michael and All Angels Church, Badminton. Traditionally a widowed peeress puts "Dowager" in her style. If a widowed peeress is also predeceased by the next Duke, any surviving widow of that Duke does not use the style of Dowager until the current dowager has died or remarried ("see" Courtesy titles in the United Kingdom: Widows). Duchess of Beaufort Duchess of Beaufort is a