Category 4 (Saffir–Simpson scale) | |
Typhoon Rose on August 16 over the South China Sea, southwest of Hong Kong
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Formed | August 9, 1971 |
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Dissipated | August 17, 1971 |
Highest winds |
1-minute sustained: 220 km/h (140 mph) |
Lowest pressure | 950 hPa (mbar); 28.05 inHg |
Fatalities | 134 total |
Areas affected | Philippines, Hong Kong, eastern China |
Part of the 1971 Pacific typhoon season |
Typhoon Rose, known in the Philippines as Typhoon Uring, was the most violent and intense tropical cyclone to strike Hong Kong since Typhoon Wanda in 1962. The 21st named storm of the 1971 Pacific typhoon season, Rose developed from an area of disturbed weather while west of Guam on August 9. Moving west-northwestward, the storm briefly became a typhoon on the following day. After weakening to a tropical storm on August 11, Rose re-intensified into a typhoon several hours later. The system then curved westward and reached a primary peak intensity with winds of 205 km/h (125 mph) on August 13. Later that day, the typhoon made landfall near Palanan, Isabela in the Philippines. Rose weakened significantly while crossing the island of Luzon and was a minimal typhoon upon reaching the South China Sea on August 14.
The storm intensified significantly and re-curved northwestward in response to a weakening high-pressure area. Early on August 16, Rose attained its maximum sustained wind speed of 220 km/h (140 mph) – equivalent to a Category 4 hurricane on the National Hurricane Center's Saffir–Simpson hurricane wind scale. Later that day, a ship observed the typhoon's minimum barometric pressure of 950 mbar (28 inHg). Thereafter, the storm weakened slightly before making landfall at Lantau Island, Hong Kong, with winds of 165 km/h (105 mph) late on August 16. Rose rapidly weakened to a tropical storm early the following day and dissipated several hours later.