Typhoon Mangkhut

Landfall | Summary
Posting Date: September 17, 2018, 6:30:00 PM

Typhoon Mangkhut (known as Ompong in the Philippine Area of Responsibility—or PAR), made landfall in northern Luzon, Philippines, at around 18:30 UTC on September 14 (2:30 a.m. on September 15, local time) with a 1-minute sustained maximum wind speed of 233 km/h (145 mph), or the equivalent of a Category 5 hurricane on the Saffir-Simpson Scale. At landfall, it was the strongest storm so far this year and the first storm of Category 5 intensity to strike Luzon since Typhoon Megi in 2010; the Hong Kong Observatory said it was the most powerful typhoon since records began in 1948.

Mangkhut doused a relatively less densely populated agricultural area of Luzon with 300 mm (11 inches) of rain as it trekked across the northern tip of the island, weakening as it interacted with land. By the time it had crossed Luzon into the South China Sea, Mangkhut had weakened to the intensity of a Category 3 storm later on September 15. 

The storm continued northwestward across the South China Sea over Sunday, with wind speeds of about 160 km/h (100 mph). As it moved toward landfall in mainland China, Mangkhut bypassed Hong Kong and Macau. The center of the typhoon passed 130 km west of Hong Kong and 70 km west of Macau, both of which felts its effects due to a massive wind field; hurricane-force winds extended 160 km from its center and tropical storm-force winds extended 510 km from its center. Storm surge of 1.9 meters was reported in Macau’s inner harbor and was as high as 3.38 meters in Tai Po Kau, Hong Kong.

Mangkhut maintained its wind speed and made landfall in Taishan, Guangdong Province, China, at around 08:00 UTC (4 p.m. local time) on September 16 as a Category 3 hurricane, bringing heavy rain and strong wind to the province before weakening to a tropical storm and moving farther inland.

ALERT™ subscribers can now download similar stochastic event (SSE) IDs for Typhoon Mangkhut from the Downloads tab of the ALERT website. Compatible with Touchstone^®, Touchstone Re^™, and CATRADER^®, the SSEs were selected based on event parameters (not industry losses) and should be used only for exposures in the Philippines, China, Hong Kong, and Macau.

Landfall | Downloads
Posting Date: September 17, 2018, 6:30:00 PM

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