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Hurricane Ramon
Hurricane Ramon was a very intense Pacific hurricane that generated heavy rains in Southern California. The 19th named storm and final hurricane of the above-average 1987 Pacific hurricane season, Ramon originated from a tropical disturbance formed in early October. On October 5, a tropical storm had developed several hundred miles southwest of Manzanillo, bypassing the tropical depression stage. Tropical Storm Ramon turned to the west-northwest after initially moving west. It intensified into a hurricane on October 7. Two days later, Hurricane Ramon peaked in intensity with winds of 140 mph (220 km/h). After peaking, Ramon turned to the northwest and rapidly weakened over cooler waters. It weakened into a tropical storm on October 11 and a depression on October 12. Ramon dissipated shortly thereafter. While at sea, Ramon brought light rainfall to the Baja California Peninsula. The remnants of Hurricane Ramon produced heavy rainfall that caused flooding in California, indirectly contributing to five traffic-related fatalities. Rainfall was reported as far inland as Utah.
== Meteorological history ==
Hurricane Ramon originated from a tropical disturbance that was situated south of a large ridge over Central Mexico. The disturbance became better organized while traversing waters and at 1800 UTC on October 5, the Eastern Pacific Hurricane Center (EPHC) upgraded the disturbance into a tropical storm while centered about southwest of Acapulco. Initially, the storm was expected to move west and not affect land; however, this did not occur. After being named, Tropical Storm Ramon held onto marginal tropical storm intensity for 24 hours. Thereafter, Tropical Storm Ramon turned west-northwestward and began to intensity. At 1200 UTC on October 7, the EPHC reported that Ramon had intensified into a hurricane. About 24 hours later, the system was upgraded into a Category 2 hurricane on the Saffir-Simpson Hurricane Wind Scale (SSHWS). Rapidly intensifying, Ramon reached major hurricane status on October 8 (Category 3 or higher on the SSHWS). At 0600 UTC on October 9, Ramon was upgraded into a Category 4 hurricane while reaching its peak intensity of 140 mph (220 km/h),〔 which it maintained for 24 hours.
After attaining peak intensity, Hurricane Ramon began to weaken. Late on October 10, Ramon weakened slightly while turning northwest. The following morning, the storm reportedly weakened into a Category 2. Hurricane Ramon began to rapidly deteriorate due to a combination of jetstream interactions and increasingly cold sea-surface temperatures.〔 At 0600 UTC on October 11, the storm was downgraded into a Category 1 on the SSHWS after bypassing the Category 2 stage. It weakened into a tropical storm later that day and was further downgraded to a tropical depression on October 12. Tropical Depression Ramon dissipated on 0600 UTC that day. The remnant moisture of this hurricane later moved into Southern California, resulting in record rains.〔
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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