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The Tumblebug Complex Fire burned of Willamette National Forest land in Lane County, Oregon, United States, from September 12, 2009 to October 2009.〔 The fire was located about southeast of Oakridge, Oregon, and roughly southwest of Crescent Lake.〔〔 ==Growth and containment== Fed by wind gusts of up to and extremely dry conditions, 25 small fires caused by lightning strikes grew and spread quickly, combining to form larger fires. Firefighters had difficulty fighting them due to the remote location and the rugged terrain, such as basalt cliffs.〔 The fires primarily burned trees ranging from 10 to 45 years old.〔 By September 16, the fires had combined into three fires that were about each in size. At that time, there were already 255 firefighters working to control the fires and the Willamette National Forest was forced to close several United States Forest Service roads. Nearly 600 firefighters were working to contain the fire by September 21, as the air became drier. Two days later, on September 23, the Lane Regional Air Protection Agency rated the air quality in the "unhealthy" category for Eugene, and reported that the air quality was better in Oakridge. NASA satellite images showed that the smoke was being blown into British Columbia. The fire grew in size to by September 24, and had burned by September 25. The wind blew the smoke to the north, and created a hazy sky in Bend.〔 Firefighters had contained five percent of the fire by September 26, although it had spread to about . The fire continued growing, spreading to by September 27. The 1,275 firefighters then working to put out the fire had it 12 percent contained, but predicted that it would continue burning until mid-October. Two firefighters were injured as well.〔 By September 28, the fire had spread to and was 18 percent contained.〔 While wetter and cooler weather was forecasted, the fire continued to expand. It was finally brought under control in October after burning a total of .〔 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「Tumblebug Complex Fire」の詳細全文を読む スポンサード リンク
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