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Cyclone Oli
Severe Tropical Cyclone Oli (RSMC Nadi designation 07F, JTWC designation 12P) was the first severe tropical cyclone within the South Pacific basin since Severe Tropical Cyclone Gene in 2008. At least one person was killed by large swells produced by the storm in French Polynesia. ==Meteorological history==
Severe Tropical Cyclone Oli was first identified by the Fiji Meteorological Service (FMS) early on January 29. In their first advisory on the system, the FMS designated the system as Tropical Disturbance 07F and centered roughly 700 km, (430 mi) north-west of Suva, Fiji. The following day, the Joint Typhoon Warning Center (JTWC) began monitoring the disturbance as an area of mid-level convection. Satellite imagery depicted a developing low-level circulation center within the system as it moved within a region of moderate wind shear. Later on January 30, convective banding features developed along the periphery of the system as it moved eastward in response to a subtropical ridge to the north. Around 0900 UTC on January 31, the FMS upgraded the disturbance to a tropical depression. Shortly thereafter, the JTWC issued a Tropical Cyclone Formation Alert (TCFA) on the system, stating that the system was likely to develop into a tropical storm within 24 to 48 hours. Early the next day, the JTWC declared that the depression had intensified into a tropical storm and classified it as Tropical Cyclone 12P.
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「Cyclone Oli」の詳細全文を読む
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