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The Easter weekend 1999 tornado outbreak was a series of tornado touchdowns which occurred on April 2–3, 1999 from Kansas to Louisiana. The most powerful tornado occurred in Caddo Parish and Bossier Parish in northwestern Louisiana where an F4 tornado killed 7 people and injured 112. Damages from the outbreak were estimated near $16.6 million (2006 USD). A total of 17 tornadoes were confirmed across the southern Plains during the two-day event. ==Tornado event== A first series of tornadoes touched down on April 2 across Oklahoma causing mostly minor damage to some structures. The strongest tornadoes of the outbreak took place across the Arklatex region during the afternoon hours, where the strongest and lone killer tornado of the outbreak took place. At 3:52 PM, a supercell thunderstorm spawned a tornado over Cross Lake, north of Shreveport Regional Airport. The tornado moved northeast. In Caddo Parish the tornado damaged 66 buildings. In Caddo Parish, damages were estimated at near $1.6 million (2006 dollars).〔(NCDC: Event Details )〕 At 4:01 PM, the tornado entered Bossier Parish as an F4 tornado. In Bossier Parish, 227 buildings suffered major damage or were destroyed. An additional 162 buildings were damaged. Damages in Bossier Parish are estimated at near $8.1 million (2006 dollars).〔(NCDC: Event Details )〕 The tornado dissipated about eight miles northeast of Benton. In all, 7 people were killed and 112 were injured. The tornado was on the ground for about 20 miles. It reached a maximum width of 200 yards. It was Louisiana's deadliest tornado since February 21, 1971, when 10 people were killed east of Delhi.〔http://www.tornadoproject.com/alltorns/worstts.htm〕 Three additional tornadoes touched down besides the Caddo-Bossier Parish tornado. These tornadoes injured 1 person and caused up to $6.6 million in damages. Heavy damage was reported near Logansport, Summerfield and Athens heavily damaging several residences. Weaker tornadoes (rated either F0 or F1) touched down across most of central and northern Arkansas into Missouri as well as in eastern Texas. 4 people in total were injured in two separate tornadoes near Ben and Mammoth Spring with isolated damage to some structures and also to trees and power lines. The outbreak ended just before 6 PM on April 3.〔(NCDC: Event Details )〕〔(NCDC: Event Details )〕 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「Easter weekend 1999 tornado outbreak」の詳細全文を読む スポンサード リンク
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