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Super Typhoon Patsy (international designation: 7025, JTWC designation: 27W, PAGASA name: Super Typhoon Yoling) was the twenty-seventh named storm, twelfth typhoon, and seventh super typhoon of the 1970 Pacific typhoon season.

November 14, 1970 brought sufficient organization for a tropical disturbance to be designated a tropical depression. A steady intensification carried Tropical Storm Patsy's windspeeds up to 155 mph (250 km/h) and a pressure of 918 mbar. It made landfall in Luzonmarker with 130 mph (210 km/h) sustained wind speeds on November 19. After emerging in the South China Seamarker, Patsy remained at tropical storm strength. It struck Vietnammarker during its Civil War as a weak tropical storm on November 22. The 8-day-old cyclone dissipated shortly after its final landfall.

US$80 million ($403 million in 2005) in damage was reported to have been caused by Patsy, though the total was likely higher. Deaths were officially reported to be 241, but an estimated 30 people unofficially died in Vietnam, raising the toll to 271+. And additional 351 people were reported missing. The total deaths and damage will likely be never known, as the Vietnam War was raging on at the same time.

Meteorological history

A tropical disturbance was spotted south-southeast of Wake Islandmarker on November 10 and moved west. Warm waters and weakened shear allowed the storm to organize into Tropical Depression 27W on November 14 near the Marianas Islandsmarker. A strong ridge to its north forced it westward, where it strengthened to tropical storm status later on November 14, receiving the name Patsy.

When Patsy was just barely above the threshold of tropical storm-strength, it slowed down and passed just north of Saipanmarker. Patsy continued to steadily intensify, reaching typhoon strength on November 16, 200 miles (322 km) northwest of Guammarker. The tropical cyclone and peaking at 155 mph (250 km/h) on November 18.

Its inflow became disrupted by the Philippines to its west, and Patsy hit Luzon on November 19 with winds of 130 mph (210 km/h), making it the 3rd strong typhoon to strike the island since September. After crossing the island and weakening to a Category 2, Patsy traversed the South China Seamarker, where cooler waters kept the system from strengthening. This caused the cyclone to continue a weakening trend until it was downgraded to a tropical storm on November 20. On November 22, Patsy struck Vietnam as a 45 mph (70 km/h) tropical storm, and dissipated soon after.


Deaths caused by Patsy reached 262 people, injured 1,756, and another 351 people were missing. Damage totals came in at US$80 million (US$403 million in 2005), mostly in the Philippines.


Typhoon Patsy was one of the deadliest typhoons to strike the Philippines in its history. 106 people were killed (with 351 other missing) on the island, and 135 people were killed at sea from shipping failures. The USS President Taft was separated from its anchorage and collided with the Alikimon, a Greek vessel, while in Manila Baymarker. Another two ships were blown ashore in the Bay. On land, 31,380 of the refugees' homes were either destroyed or damaged.


In the South China sea off Vietnam's coast on November 2, an American ship, LCU-1563, was fighting in the Vietnam War. It got caught in the bad weather from Patsy and capsized. At 10 am local time the next day, the ship was found and hauled ashore. All eleven men onboard perished. One man was discovered dead near Cu Lao Island on November 6. Drowning was the cause of his death. Nine of the men were never discovered, but were considered to have died of drowning. The men were all posthumously promoted to a higher rank and families of the dead received a higher level pension. Seven years later on March 16, 1977, another body was recovered. In addition, two gunboats from the former country of South Vietnam sank the same day to the south of LCU-1563's resting place. Death totals from them are not available.

Lack of retirement

Despite the large amount of damage, the name Patsy was not retired and was used again in 1973 and 1977. In 1979, a new list of names was created, and Patsy was not on the new list.


Patsy was the deadliest tropical cyclone to strike Manilamarker since the establishment of the Philippine Weather Bureau in 1865 until the 2009 strike of Tropical Storm Ketsane (Pagasa Codename "Ondoy")..

See also

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