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Typhoon Kong-rey (2007)
Typhoon Kong-rey was a moderate typhoon that affected Guam and the Northern Mariana Islands in early April 2007. The first named storm of the 2007 Pacific typhoon season, Kong-rey became the earliest-occurring typhoon since Typhoon Sudal on April 6, 2004. At its peak, it was considered to be a Category 2-equivalent typhoon by the Joint Typhoon Warning Center, though re-analysis increased it to a Category 3-equivalent. Typhoon Kong-rey caused about $10,000 in damages and no injuries along its path.
==Meteorological history==
On March 26, the Naval Research Laboratory identified a broad area of low pressure in the Western North Pacific. It moved west-northwestward over the next few days, slowly gaining organisation. According to the Japan Meteorological Agency's best-track, it became a tropical depression on March 30. The next day, the Joint Typhoon Warning Center issued a Tropical Cyclone Formation Alert due to an increased consolidation of the low-level circulation of the system. The intensity was increased to 30 knots at the same time by the JMA, as the depression moved westward.
The JTWC issued its first warning on Tropical Depression 01W late that evening local time.〔 As it continued to strengthen, the JTWC upgraded it to a tropical storm, the first of the season. The JMA followed suit, and named the system Kong-rey. The name was submitted by Cambodia, and refers to a character in a Khmer legend, which is also the name of a mountain.〔(【引用サイトリンク】publisher=Japan Meteorological Agency )〕 Kong-rey continued to track towards the Mariana Islands, all the while continuing to organise, causing the JMA upgraded it to a severe tropical storm on the morning of April 2 local time, with the JTWC declaring it a typhoon later that evening. It then turned poleward, and starting moving towards the Northern Mariana Islands, passing through the islands on April 3. The JMA then upgraded it to a typhoon as it headed away from the islands.〔(WebCite query result )〕
As Kong-rey began to take a turn to the north and east, it developed a ragged 16 nm (30 km, 18 mi)-wide eye.〔(WebCite query result )〕 Operationally, its peak was estimated at 165 km/h (105 mph), though in post-season analysis, it was considered to have reached peak winds of 185 km/h (115 mph).〔 It strengthened slightly further before encountering strong wind shear and colder sea surface temperatures, causing core convection to rapidly weaken, and was downgraded back to a severe tropical storm on April 4.〔(WebCite query result )〕 As Kong-rey accelerated towards the northeast, it encountered a hostile environment related to a midlatitude trough. It began undergoing extratropical transition early on April 5 and the JTWC issued its final warning.〔(WebCite query result )〕 The JMA issued its final warning on the morning of April 6 after it had completed extratropical transition.〔(WebCite query result )〕
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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