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Effects of Hurricane Jeanne in the Mid-Atlantic region
The effects of Hurricane Jeanne in the Mid-Atlantic region of the United States included two fatalities and $530 million (2004 USD; $ USD) in damage. Originating from a tropical wave off the coast of Africa in early September 2004, Hurricane Jeanne tracked through the Leeward Islands and Hispanola for several days, resulting in extensive damage and an immense loss of life. After completing a clockwise loop between September 22 and 24, the storm intensified into a major hurricane before striking the Bahamas and Florida. Substantially weaker, the system turned northeastward over Georgia before affecting Delaware, District of Columbia, Maryland, New Jersey, New York, Pennsylvania, Virginia, and West Virginia; all of those states are in the Mid-Atlantic region of the United States. By the evening of September 26, the Hydrometeorological Prediction Center took over responsibility of monitoring the former hurricane over Virginia.
Throughout September 28 and much of the following day, the remnants of Jeanne produced heavy, flooding rains in many states. Severe weather associated with the storm also resulted in isolated tornadoes in a few states. Overall damage was severe, with Pennsylvania suffering nearly $300 million (2004 USD; $ USD) in losses alone. Two fatalities were also linked to the passage of Jeanne, one in both Virginia and Pennsylvania. Damage in the Mid-Atlantic states was estimated at $530 million (2004 USD; $ USD)
==Meteorological background==
Hurricane Jeanne was first identified by the National Hurricane Center (NHC) on September 7, 2004 as a tropical wave off the coast of Africa. This system tracked west-northwest at a relatively slow pace, eventually reaching the Leeward Islands on September 13. By this point, the wave had developed into a tropical depression, the eleventh of the season. Continuing its west-northwest track, the depression intensified into Tropical Storm Jeanne before crossing Puerto Rico and attained hurricane intensity before making another landfall over the eastern tip of the Dominican Republic. After briefly weakening to a tropical depression off the coast of Haiti, Jeanne turned sharply northward and regained tropical storm status. Weak steering currents in the vicinity of the storm caused it to take a long, clockwise loop roughly 575 mi (925 km) east of the Bahamas. During this loop, Jeanne re-attained hurricane status although it fluctuated in intensity due to the upwelling of cooler waters. By September 24, the storm maintained a steady westward track and reached Category 3 strength on the Saffir–Simpson Hurricane Scale.
On September 26, Jeanne made landfall in southern Florida with winds of 120 mph (195 km/h). The hurricane gradually weakened to a tropical storm as it remained over the Florida peninsula. After turning northward and moving over Georgia, Jeanne weakened to a tropical depression and accelerated northeastward towards the Mid-Atlantic region. As the storm neared the Atlantic Ocean, it began to transition into an extratropical cyclone. Early on September 29, Jeanne completed this transition and restrengthened slightly, attaining sustained winds of 40 mph (65 km/h) as it moved offshore of the southern New Jersey coastline. Several hours later, the remnants of Jeanne merged with a frontal system in the same region.〔 The system was last noted by the Hydrometeorological Prediction Center (HPC) on September 30 as the extratropical system moved towards Atlantic Canada.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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