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Typhoon Soudelor (2015)

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Typhoon Soudelor (2015)
NameTyphoon Soudelor
Typetyphoon
Year2015
BasinWPac
FormedJuly 30, 2015
DissipatedAugust 11, 2015
10-min winds105
1-min winds155
Pressure900
Fatalities40+
AreasFederated States of Micronesia, Mariana Islands, Guam, Taiwan, Mainland China, Japan, Philippines

Typhoon Soudelor (2015) Typhoon Soudelor was a powerful Pacific typhoon in the 2015 Pacific typhoon season that produced extreme winds, rainfall, and damage across the Marianas Islands, Taiwan, and eastern China. Originating from a tropical disturbance near the Marshall Islands, it intensified into one of the season's strongest systems and prompted large-scale evacuations, international responses, and infrastructure disruption. The storm's impacts influenced disaster planning in affected jurisdictions and led to the retirement of its name by regional meteorological agencies.

Meteorological history

A tropical disturbance associated with a monsoon trough near the Marshall Islands evolved into a tropical depression under the monitoring of the Japan Meteorological Agency and the Joint Typhoon Warning Center on July 30, 2015, after interaction with an equatorial convective band linked to the Intertropical Convergence Zone. Environmental analysis by the Central Weather Bureau of Taiwan and the China Meteorological Administration showed low vertical wind shear and warm sea surface temperatures in the Philippine Sea and Caroline Islands region, facilitating rapid intensification. The system tracked west-northwest under the influence of a subtropical ridge near the Marianas Trench and passed near the Northern Mariana Islands and Guam before undergoing explosive deepening south of the Ryukyu Islands. Satellite estimates by the American Meteorological Society-referenced agencies indicated peak 1-minute sustained winds analyzed by the National Oceanic and Atmospheric Administration and JTWC, with central pressures reported by the Hong Kong Observatory and CMA among the season's lowest. Soudelor made landfall on Taiwan's northeast coast and later on Fujian province in Mainland China, weakening while interacting with the Taiwan Strait and the East China Sea frontal zone before transitioning into an extratropical cyclone near the Korean Peninsula and dissipating.

Preparations

Alerts and preparedness actions were coordinated by authorities including the National Disaster Risk Reduction and Management Council in the Philippines despite the cyclone remaining to the north, while the Guam Homeland Security Office and the Northern Mariana Islands Office of Civil Defense issued tropical storm and typhoon warnings. In Taiwan, the Central Weather Administration and the National Fire Agency mobilized evacuation centers and suspended transportation services, including high-speed rail operated by Taiwan High Speed Rail Corporation and flights coordinated with China Airlines and EVA Air. The Fuzhou Municipal Government and Fujian Provincial Government ordered evacuations of coastal residents and halted shipping through coordination with the China Maritime Search and Rescue Center. International entities such as the United States Forces Japan, United States Indo-Pacific Command, and Red Cross societies in Japan, Taiwan, and China prepositioned assets. Utility companies including Taipower and provincial electric bureaus staged crews, while airports like Taiwan Taoyuan International Airport and ports including Keelung Port prepared for closures. Sporting events tied to organizations like Chinese Taipei Baseball Association and concerts promoted by Live Nation were postponed.

Impact

Soudelor produced catastrophic impacts across multiple jurisdictions. On Saipan in the Northern Mariana Islands, high winds damaged structures and caused power outages reported by the Public Utilities Commission of the Northern Mariana Islands. Guam recorded heavy surf and coastal erosion affecting facilities managed by the Guam Visitors Bureau and Port Authority of Guam. In Taiwan, the typhoon caused widespread power outages affecting customers of Taipower and forced suspension of services by Taiwan Railways Administration; floodwaters and landslides affected infrastructure overseen by the Ministry of Transportation and Communications and the Water Resources Agency, while the Ministry of Health and Welfare responded to injuries and fatalities. Agricultural losses affected producers associated with the Council of Agriculture and fisheries tied to the Taiwan Fisheries Agency. In Mainland China, Fuzhou and surrounding areas in Fujian sustained severe wind and flood damage; emergency rescue operations were conducted by units of the People's Liberation Army and provincial fire brigades coordinated with the Ministry of Civil Affairs (People's Republic of China). Airports such as Fuzhou Changle International Airport and Xiamen Gaoqi International Airport experienced cancellations, and economic losses affected sectors monitored by the National Bureau of Statistics of China. Internationally, the storm disrupted shipping lanes used by operators like COSCO and caused rip currents impacting coastlines monitored by organizations such as the Japan Meteorological Agency and Korea Hydrographic and Oceanographic Administration. The disaster resulted in dozens of deaths and many injuries across affected regions and billions in estimated economic losses compiled by regional authorities.

Aftermath and recovery

Emergency relief was coordinated by national and local agencies: the Taiwanese Red Cross Society and the Society of St. Vincent de Paul in Taiwan opened recovery centers, while the China Red Cross and municipal governments in Fuzhou organized sheltering and reconstruction. International assistance and offers came from entities including the United States Agency for International Development, the International Federation of Red Cross and Red Crescent Societies, and neighboring governments coordinating through diplomatic channels with the Ministry of Foreign Affairs (Republic of China) and the Ministry of Foreign Affairs (People's Republic of China). Power restoration involved crews from utility partners across provinces and the deployment of mobile substations procured through provincial electric bureaus; road clearing and debris removal were overseen by municipal public works departments and the Ministry of Housing and Urban–Rural Development (PRC). Reconstruction programs included insurance claims processed by firms regulated under the Financial Supervisory Commission (Taiwan) and recovery grants administered by provincial relief funds. Long-term mitigation discussions in affected legislatures—such as sessions of the Legislative Yuan and provincial people's congresses—addressed coastal defenses, emergency management reforms, and infrastructure resilience projects.

Records and retirement of name

Soudelor set multiple records: it was among the strongest typhoons of the 2015 season according to analyses by the Japan Meteorological Agency, the Joint Typhoon Warning Center, and the World Meteorological Organization-affiliated regional bodies, with significant 1-minute and 10-minute wind estimates recorded in datasets maintained by the National Oceanic and Atmospheric Administration and the International Best Track Archive for Climate Stewardship. Peak gusts recorded in Taiwan and on islands of the Northern Mariana Islands were notable in national meteorological archives maintained by the Central Weather Administration and local observatories. Due to the storm's severe impacts and loss of life, the ESCAP/WMO Typhoon Committee and associated naming authorities retired the name in post-season deliberations, with replacement names selected according to procedures followed by the committee and communicated through the WMO Regional Association II (Asia) channels.

Category:2015 Pacific typhoon season Category:Typhoons in Taiwan Category:Typhoons in China Category:Typhoons in the Northern Mariana Islands