Typhoon Abe (1990)

Typhoon Abe, known as Typhoon Iliang in the Philippines,[1][2] was the fourteenth named storm of 1990 Pacific typhoon season. Forming on August 23 from a tropical disturbance, the depression which would eventually develop into Typhoon Abe initially tracked in a steady west-northwestward direction. As a result of an intense monsoon surge, Abe's trajectory briefly changed to an eastward then northward path before returning to its original track. Abe only intensified by a small amount between 00:00 UTC August 24 and 06:00 UTC August 27 due to the disruptive effects of the surge, and on August 30, Abe peaked in intensity as a Category 2-equivalent typhoon on the Saffir–Simpson hurricane wind scale. After peaking in intensity, Abe crossed the Ryukyu Islands and the East China Sea, making landfall in China where it affected the provinces of Zhejiang and Jiangsu before entering the Yellow Sea, crossing South Korea, and finally transitioning into an extratropical cyclone.[3][4]

Typhoon Abe (Iliang)
Typhoon (JMA scale)
Category 2 typhoon (SSHWS)
Typhoon Abe on August 30
FormedAugust 24, 1990
DissipatedSeptember 3, 1990
(Extratropical after September 1)
Highest winds10-minute sustained: 140 km/h (85 mph)
1-minute sustained: 165 km/h (105 mph)
Lowest pressure955 hPa (mbar); 28.2 inHg
Fatalities108–195
DamageAbout $748 million (USD)
Areas affectedCaroline Islands, Mariana Islands, Japan, Taiwan, China, Korea
Part of the 1990 Pacific typhoon season

Typhoon Abe killed 108–195 people after it caused flooding and landslides in the Philippines and Taiwan, ravaged coastal areas of China, and brought high waves to Japan.[3][5][6] Abe, which is responsible for killing 108 in China, affected half of Zhejiang's land area and a fourth of its population, leaving thousands homeless and causing ¥3.5 billion yuan (RMB, $741.5–743 million USD) to be lost in damages.[4][6][7][8] Additional damage and one fatality occurred in Okinawa Prefecture in Japan, where at least ¥890 million yen (JPY, $6 million USD) in damage was caused.[5][9][10]

Meteorological history
Map plotting the track and the intensity of the storm, according to the Saffir–Simpson scale

The tropical disturbance which would eventually intensify to become Typhoon Abe was first noted by the Joint Typhoon Warning Center (JTWC) in a Significant Tropical Weather Advisory as an area of persistent atmospheric convection on August 23 at 01:00 UTC.[nb 1] Located near the end of what the JTWC considered to be "an active monsoon trough", the initial minimum sea-level pressure was estimated to be approximately 1,007 millibars (1,007 hPa; 29.74 inHg). Following this mention, the disturbance tracked in a mostly west-northwestward direction, traveling beneath a subtropical ridge, with a Tropical Cyclone Formation Alert being issued at 06:00 UTC based on the improving state of the low.[3]

Following an increase in the storm's central convection, the JTWC determined at 00:00 UTC August 24 that it had intensified into a tropical storm which it assigned the designation 15W, and the Japan Meteorological Agency (JMA) began to monitor the system six hours later.[3][12][nb 2] The JMA upgraded the system to a tropical storm on its scale at 00:00 UTC August 25, and by the time twelve hours had passed, a strong surge in the monsoon westerlies had started to develop to the south of the storm's convective area, slowing its westward movement. After enhanced convection associated with the surge on the east side of Abe's main convective cloud mass wrapped around the north, the storm's center of circulation reorganized to the north between the competing convective masses. At 06:00 UTC August 27, the JMA upgraded Abe to a severe tropical storm with winds of 95 km/h (60 mph),[12] and as a ragged eye developed in the storm, the JTWC upgraded Abe to typhoon status six hours later.[3] Late on August 28, the JMA upgraded Abe to a typhoon on its scale, with ten-minute sustained winds of 120 km/h (75 mph).[12]

Following the monsoon surge, Abe returned to its original west-northwestward track, further intensifying to become a Category 2-equivalent typhoon at 12:00 UTC on August 29.[14] A weakness appeared in the subtropical ridge in association with a short-wave trough, and Typhoon Abe recurved through this weakness, taking it along the coast of China.[3] Prior to making landfall, Abe attained a minimum atmospheric pressure of 955 millibars (hPa; 28.20 inHg) on August 29 at 18:00 UTC as determined by the JMA.[12] It was found by the JTWC that Abe's one-minute sustained winds peaked at 165 km/h (105 mph) at 00:00 UTC August 30,[14] and the JMA determined that its ten-minute sustained winds peaked at 140 km/h (85 mph) at 18:00 UTC on August 29.[12] As a direct result of this interaction with land, Abe weakened to a tropical storm at 12:00 UTC on August 31, entering the Yellow Sea and crossing South Korea in the 30 hours that followed. It was determined at 18:00 UTC on September 1 that the storm had transitioned into an extratropical cyclone.[3] The JTWC ceased tracking the system at 06:00 UTC September 2,[14] and the JMA followed suit 36 hours later.[12]

Impacts

In the Philippines where Abe was known by the PAGASA name "Iliang",[nb 3] as a result of flooding and landslides caused by Abe, about 150 homes were washed away along Dalton Pass, leaving 1,500 people without homes and an additional 85 people dead.[16] Rainfall-induced landslides ravaged areas previously damaged by an earthquake a month earlier,[17] with landslide-caused fatalities totaling 32 in the Philippine provinces of Benguet, Nueva Ecija, and Nueva Vizcaya,[3] Significant flooding in Luzon resulted in the deaths of 12 people in Manila, and Philippine Airlines responded by suspending domestic air services.[18] In response to flooding caused by Typhoon Abe and Typhoon Becky in the Philippines, President of the Philippines Corazon Aquino issued a proclamation declaring the existence of a state of public calamity for affected areas of the country.[19]

Parts of Okinawa Prefecture in Japan experienced high winds and heavy rainfall as Typhoon Abe passed nearby. Precipitation totals as high as 306 mm (12.0 in) and winds of 115 km/h (72 mph) were recorded in Ohara, and total forestry losses for Ishigaki totaled ¥500,000 yen (JPY, $3,000 USD).[9] Some parts of Ishigaki experienced a suspension of their water supply, and about 800 households experienced power failures.[9] Hundreds of millions of yen in agricultural losses, especially to sugar cane, occurred due to the typhoon, totaling ¥878.53 million yen (JPY, $6.0882 million USD), and losses in the water industry totaled an additional ¥12.02 million yen (JPY, $8,330 USD). The area also experienced airline flight cancellations, leaving thousands stranded while the storm passed.[5][9][10] One person was drawn out to sea after winds of up to 110 km/h (70 mph) and high waves affected the coast.[3][5]

In Taiwan, one person was killed[3][4][20] and six others were injured as Typhoon Abe traveled across the East China Sea.[3][4] Approximately 70,000 households had their supply of electricity cut off, and floods and landslides occurred as a result of heavy rainfall.[4]

Early on August 31, Typhoon Abe made landfall over Zhejiang Province in China approximately 250–270 km (160–170 mi) south of Shanghai.[4][7] In Zhejiang, where Abe was reportedly "the worst typhoon to hit the province in 34 years", casualties of the storm numbered in the hundreds, with 65 people rendered dead, 839 wounded, and an additional 45 reported missing. Significant flooding affected vast swaths of farmland and stranded about 660,000 people.[8][21] Approximately a quarter of the province's population, about ten million people, was affected by the storm,[8] which left 41,000 people without their homes[4][22] and brought about the collapse of 21,800 houses.[4] Additionally, about 1,000 ships at sea were destroyed, and the combined direct economic losses which resulted from Abe were about ¥3.5 billion yuan (RMB, 741.5–743 million USD).[4][23][24][nb 4] The adjacent province of Jiangsu also experienced significant impacts; 23 people died and hundreds of others were injured as a result of the storm. Houses suffered serious impacts, with 80,000 destroyed and 120,000 damaged. Over 1.34 million hectares of fields were flooded. Three people were killed and 46 were injured in Shanghai, and a suburban area experienced a tornado.[4] Altogether, an estimated 108 people were killed in China.[6]

Abe brought heavy rain and gale-force winds to South Korea prior to transitioning to an extratropical cyclone near the east coast of the peninsula.[25]

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See also

Notes
  1. The Joint Typhoon Warning Center is a joint United States Navy – United States Air Force task force that issues tropical cyclone warnings for the western Pacific Ocean and other regions.[11]
  2. The Japan Meteorological Agency is the official Regional Specialized Meteorological Center for the western Pacific Ocean.[13]
  3. The Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA) independently names storms within its area of responsibility which is approximately 115°E to 135°E and 5°N to 25°N.[15]
  4. All damage totals are in 1990 values of their respective currencies.

References
  1. "**Old PAGASA Names** – List of Names for Tropical Cyclones Occurring with the Area of Responsibility" (JPG). Typhoon 2000. Retrieved June 4, 2015.
  2. "N'thrn Luzon braces for new typhoon". Manila Standard. September 7, 1990. Retrieved October 16, 2016.
  3. 1990 Annual Tropical Cyclone Report (PDF) (Report). Pearl Harbor, Hawaii: Joint Typhoon Warning Center. 1991. Retrieved August 19, 2014.
  4. Tropical Cyclones in 1990 (PDF) (Report). Hong Kong: Royal Observatory. February 1992. Retrieved June 2, 2015.
  5. Digital Typhoon: Weather Disaster Report (1990-936-12). Digital Typhoon (Report) (in Japanese). National Institute of Informatics. Retrieved June 6, 2015.
  6. "Commodity Briefs". The Journal of Commerce: 9A. September 7, 1990 – via LexisNexis. The typhoon hit the major wheat, sugar and cotton growing provinces of Zhejiang, Jiangsu and Anhui, as well as the city of Shanghai, on Aug. 31-Sept. 3, killing 108 people and causing 3.5 billion yuan (4.7 yuan=US$ 1) worth of damage, the China Daily said.
  7. DeAngelis, Richard A., ed. (February 1991). Mariners Weather Log: Winter 1991. 35. National Oceanographic Data Center. pp. 62 & 66. There was no let–up as Abe came to life, on the 25th, 85 mi west southwest of Guam. Moving northward then west northwestward, Abe reached severe tropical storm strength on the 28th and became a typhoon the following day about 425 mi east southeast of Taipei. Abe moved across the Ryukyu Is and then made landfall about 150 mi south of Shanghai on the last day of the month." & "During Abe, one person was killed in Taiwan. On mainland China it was reported that 108 people lost their lives with another 40 reported missing. Zhejiang and Jiangsu provinces were hardest hit.
  8. "Storm Death Toll Rises to 88". Standard-Speaker. September 5, 1990. p. 3. Retrieved June 5, 2015 – via Newspapers.com.
  9. Digital Typhoon: Weather Disaster Report (1990-918-06). Digital Typhoon (Report) (in Japanese). National Institute of Informatics. Retrieved June 6, 2015.
  10. Digital Typhoon: Weather Disaster Report (1990-927-02). Digital Typhoon (Report) (in Japanese). National Institute of Informatics. Retrieved June 6, 2015.
  11. "Joint Typhoon Warning Center Mission Statement". Pearl Harbor, Hawaii: Joint Typhoon Warning Center. 2011. Archived from the original on July 26, 2007. Retrieved June 5, 2015.
  12. RSMC Tokyo Best Track Data – 1990–1999 (TXT) (Report). Japan Meteorological Agency. Retrieved June 3, 2015.
  13. "Annual Report on Activities of the RSMC Tokyo – Typhoon Center 2000" (PDF). Japan Meteorological Agency. February 2001. p. 3. Retrieved June 5, 2015.
  14. Best Track of Typhoon Abe (JTWC) (TXT) (Report). Pearl Harbor, Hawaii: Joint Typhoon Warning Center. Retrieved June 3, 2015.
  15. Landsea, Christopher W.; Dorst, Neal M.; Rule, Erica M. (June 6, 2015). "B: Tropical Cyclone Names". Hurricane Research Division: Frequently Asked Questions. Atlantic Oceanographic and Meteorological Laboratory. National Oceanic and Atmospheric Administration. B2) What are the upcoming tropical cyclone names ?. Retrieved June 6, 2015.
  16. "Philippine landslides". United Press International. August 29, 1990 – via LexisNexis.
  17. Bank, Asian Development (December 1991). Disaster mitigation in Asia and the Pacific (pp. 193-253) (PDF). Asian Development Bank. Manila, Philippines. p. 10. ISBN 971-561-004-8. Archived from the original (PDF) on June 5, 2015. Retrieved June 4, 2015.
  18. "Typhoon Abe spawns flooding in Philippines". United Press International. September 1, 1990 – via LexisNexis.
  19. Proclamation No. 640, s. 1990 (Report). Government of the Philippines. September 5, 1990. Retrieved June 3, 2015.
  20. Mariners Weather Log. Environmental Data and Information Service. 1991. Retrieved June 5, 2015.
  21. "Death Toll From Typhoon Abe Rises to 88". Associated Press. September 4, 1990 – via LexisNexis.
  22. "Typhoon Abe Death Toll at 41". Associated Press. September 3, 1990. Retrieved June 4, 2015.
  23. "China's Worst Typhoon in Decades". The Reuter Library Report & The Associated Press. Greenpeace Climate Impacts Database. Archived from the original on February 24, 2012. Retrieved June 4, 2015.
  24. "Typhoon Abe kills". Xinhua General News Service. September 6, 1990 – via LexisNexis.
  25. "Earthweek: A Diary of the Planet". The World. September 8, 1990. Retrieved June 4, 2015.
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