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Tropical Storm Arlene was an unusually large and early-forming tropical storm forming during the 2005 Atlantic hurricane season. It was the first storm of the season, which would become the most active on record. Tropical Storm Arlene formed near Honduras on June 8 and moved northwards. It crossed western Cuba on June 10 and strengthened to just under hurricane strength before making its final landfall on the Florida Panhandle the next day. The storm weakened as it continued to move north over the United States, becoming extratropical on June 13. Arlene was responsible for only one death and minor damages. ==Meteorological history== Early in the season — nearly two months earlier than the first storm formation in 2004 — a low-pressure area formed and persisted north of Honduras. Despite significant shear, the low managed to become Tropical Depression One on June 8 just north of Honduras. The depression began to head north towards western Cuba that day, but as it was a very large and poorly organized system under the influence of heavy shear, the official forecasts from the National Hurricane Center emphasized that the route the storm would take was uncertain. Despite this uncertainty, the official forecasts were highly accurate in predicting the storm's track. As the shear dropped, the depression strengthened further and it became Tropical Storm Arlene on June 9. It produced precipitation over a very wide area; the Cayman Islands reported tropical storm-force winds and heavy rain over 150 statute miles (240 km) east of the center. Arlene crossed the western tip of Cuba on the morning of June 10 with 50 mph (85 km/h) winds. Tropical Storm Arlene had an unusual structure throughout its life, with a large circulation containing numerous small centers rotating about a larger gyre, as opposed to an inner convective core.〔 Tropical Storm Arlene then entered the Gulf of Mexico and strengthened further to its peak strength with 70 mph (110 km/h) winds. The official forecast at this time called for further intensification to minimal hurricane strength. This did not occur however and Arlene instead weakened as result of dry air entering the circulation. The storm made landfall just west of Pensacola, Florida in the afternoon of June 11 with 57.5 mph (95 km/h) winds. As most of the precipitation and wind of the storm were located north and east of the center, most of the effects of the storm were on land long before it made landfall.〔 Arlene was the most intense landfalling June storm since Hurricane Allison hit the same location as a strong tropical storm during the 1995 season. Arlene weakened into a tropical depression later that day, but managed to persist as a tropical system as it moved north over the United States. The system finally became extratropical on June 13 just northeast of Flint, Michigan and was absorbed by a larger system the next day.〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Tropical Storm Arlene (2005)」の詳細全文を読む スポンサード リンク
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