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1963 Pacific typhoon season

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First system formed  March 25, 1963
Name  Judy
Total storms  25
Last system dissipated  December 28, 1963
Total depressions  36
Typhoons  19
1963 Pacific typhoon season

The 1963 Pacific typhoon season has no official bounds; it ran year-round in 1963, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December. These dates conventionally delimit the period of each year when most tropical cyclones form in the northwestern Pacific Ocean.


The scope of this article is limited to the Pacific Ocean, north of the equator and west of the international date line. Storms that form east of the date line and north of the equator are called hurricanes; see 1963 Pacific hurricane season. Tropical Storms formed in the entire west pacific basin were assigned a name by the Joint Typhoon Warning Center. Tropical depressions in this basin have the "W" suffix added to their number. Tropical depressions that enter or form in the Philippine area of responsibility are assigned a name by the Philippine Atmospheric, Geophysical and Astronomical Services Administration or PAGASA. This can often result in the same storm having two names. This was the first season in which PAGASA assigned local names to typhoons.


36 tropical depressions formed this year in the Western Pacific, of which 25 became tropical storms. 19 storms reached typhoon intensity, of which 8 reached super typhoon strength.

Tropical Depression 03W

A brief tropical depression developed north of Papua New Guinea at 00:00 UTC on March 25, and tracked west-northwest before it dissipated later that day. Although the Joint Typhoon Warning Center does not list any maximum sustained wind values in its tracking data, the Mariners Weather Log notes that Tropical Depression 03W briefly attained winds of 55 km/h (35 mph) at its peak before dissipating.

CMA Tropical Depression 1

The China Meteorological Administration (CMA) analyzed the formation of a disturbance near Micronesia on March 30, though no other agencies monitored the system. Tracking westward, the low-pressure area developed further into a tropical depression the following day. The storm turned towards the north on April 1, reaching peak intensity two days later with winds of 55 km/h and a minimum pressure of 1001 mbar (hPa; 29.56 inHg) before slowly weakening. On April 6, the depression degenerated into a remnant area of low pressure; these remnants tracked westward before dissipating early the next day.

Typhoon Olive

The low-pressure area that eventually developed into Typhoon Olive first formed approximately 155 km (95 mi) southeast of Truk on April 21, embedded within the larger context of a trough. In its nascent stages, the disturbance tracked slowly west-northwestward toward Woleai; the Japan Meteorological Agency (JMA) considers the storm to have developed into a tropical depression on April 26, though the JTWC began monitoring Olive as a 75 km/h (45 mph) tropical storm the day after. Olive quickly intensified following tropical cyclogenesis, becoming a typhoon by 12:00 UTC on April 27. Late on April 28, a reconnaissance mission sampled winds of 230 km/h (145 mph) and a minimum barometric pressure of 932 mbar (hPa; 27.52 inHg); from these parameters Olive reached peak intensity at 00:00 UTC on April 29 with a minimum pressure of 920 mbar as computed by the JMA. Olive passed near Guam and Saipan later that day, impacting the latter with winds of 205 km/h (125 mph). As the typhoon receded to more northerly latitudes, it slowly weakened, transitioning into an extratropical cyclone on May 5 before dissipating four days later; maintaining typhoon strength for 8.5 days, Olive remained a typhoon longer than any other storm in 1963.

As Olive neared Guam, then-governor Manuel Guerrero ordered the evacuation of low-lying areas and the opening of shelters at schools, churches, and other locations. Olive caused considerable damage in the Mariana Islands: 95 percent of homes on Saipan sustained extensive damage, with another 5 percent destroyed by the storm. Homes were also damaged on nearby Rota, with the widespread loss of crops; property and agricultural losses were also accrued on Guam and Tinian, where power lines were downed by strong winds and 1,000 people were left homeless. The effects of the typhoon set back Guam's recovery from Typhoon Karen the previous year, damaging homes partially repaired via recovery loans for Karen. Estimated damage from Olive amounted to US$5 million. In the storm's aftermath, deputy high commissioner for the Trust Territory of the Pacific Islands Jose Benitez requested the declaration of Tinian and Saipan as disaster areas. On April 30, then-U.S. President John F. Kennedy acknowledged Benitez's request and declared a disaster area for the impacted islands. Kennedy would later allocate US$1.3 million for storm relief in Saipan, Tinian, and Rota. Food and medical supplies were sent from the Caroline and Marshall Islands to the Mariana Islands.

Typhoon Polly (Auring)

Polly originated from an area of low pressure first detected 145 km (90 mi) north-northwest of Woleai on May 25. The JMA determined that the disturbance developed into a tropical depression on May 27, though the JTWC initiated warnings on the system on May 31. The cyclone gradually strengthened after formation, reaching tropical storm strength on June 1 and typhoon intensity the day after. On June 3, Polly reached peak intensity with sustained winds of 130 km/h (80 mph) and a minimum pressure of 978 mbar (hPa; 28.88 inHg), after which it began to slowly taper off in strength and accelerate northeastward. On June 5, Polly passed 190 km (120 mi) southeast of Tokyo as a low-end typhoon before recurving towards the east-northeast. The extratropical remnants of Polly reached the Bering Sea and the coast of Alaska on June 10 before dissipating.

Remaining offshore Japan, Polly's impacts were caused primarily by heavy rainfall. Flooding inundated caused 807 landslides and inundated over 36,000 homes. Another 11 houses and 270 bridges were washed away by the floods. Polly caused an estimated US$138 million in damage to crops, with the total damage figure in excess of US$143 million. Eighteen people were killed and another seventeen were injured; 20,702 others were homeless after Polly's passage.

Tropical Storm Rose (Bebeng)

Tropical Storm Rose began as a tropical depression in the South China Sea on June 6, and tracked southeastward towards Luzon in its early stages. On June 8, the JTWC began issuing warnings on Rose as a tropical storm while the cyclone was just off Luzon's northwestern coast. Slow strengthening continued thereafter, with Rose's peaking as a 95 km/h (60 mph) tropical storm as it was tracking across the Ryukyu Islands, though the storm's strongest winds were contained within a narrow rainband near the center. Moving rapidly northeastward, Rose passed over western Honshu as a lower-end tropical storm on June 13, briefly emerging into the Sea of Japan before recurving eastward and transitioning into an extratropical cyclone over northern Honshu on June 14. The remnants of Rose merged with another weak extratropical low off the Japanese coast, and this combined system continued eastward before dissipating over the Bering Sea on June 18.

Typhoon Bess

On July 27 Tropical Depression 20W formed in the West Pacific. It drifted northward, reaching tropical storm on the 30th before turning to the southwest. Bess turned to the north on August 2, and reached typhoon status early on the 3rd. Bess rapidly intensified to a peak of 150 mph on the 4th, but weakened as it continued northward. On the 9th it struck Japan, and on the 11th Bess became extratropical. At the time, Bess had the longest longevity of a Western Pacific tropical cyclone. Typhoon Bess caused severe damage on the island of Kyūshū. 23 people were killed and 6 were missing.

Typhoon Faye (Neneng)

Typhoon Faye struck Hong Kong killing 3 people.

Typhoon Gloria (Oniang)

Typhoon Gloria, which developed on September 5 in the open waters of the West Pacific, rapidly intensified to a peak of 155 mph on the 9th. It weakened as it continued west-northwestward, and hit extreme northeastern Taiwan on the 11th as a 100 mph typhoon. It caused severe flooding in Northern Taiwan and hundreds of casualties. Gloria continued westward, and hit eastern China that night as an 85 mph typhoon. The storm looped over land to the northeast, and dissipated on the 13th to the east of China. Gloria caused 239 casualties, with 89 missing.


1963 Pacific typhoon season Wikipedia

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