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
Mount Storm Wind Farm Mount Storm Wind Farm The Mount Storm Wind Farm is located 120 miles west of Washington, D.C. in Grant County, West Virginia. The wind farm includes 132 Gamesa G80 wind turbines each with a two megawatt (MW) capacity along 12 miles of the Allegheny Front. Construction of the wind farm began in 2006 and the project is now fully operational, generating up to 264 MW of electricity for the mid-Atlantic power grid. Nedpower Mount Storm, LLC is a joint venture between Shell and Dominion Resources, founded in 2007. Plans for the farm were first announced in 2001, when U.S. Wind