Typhoon Agnes (1981)
Pacific typhoon in 1981 / From Wikipedia, the free encyclopedia
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Typhoon Agnes, known in the Philippines as Typhoon Pining, produced among the heaviest rains recorded during the 20th century in South Korea, with 710 mm (28 in) falling over a two-day span. The storm originated as a tropical depression near Guam on August 25, 1981. Moving along a west-northwest to northwest track, the system gradually strengthened as deep convection organized around it. The depression was assigned the name Agnes on August 27 following the development of gale-force winds. Further intensification to typhoon-status occurred by August 29. Agnes attained its peak intensity on August 31 over the East China Sea as a Category 2-equivalent on the Saffir–Simpson hurricane wind scale with winds of 175 km/h (109 mph).[nb 1] Subsequent interaction with a mid-latitude trough induced an extratropical transition as the cyclone slowed and turned north. The system had lost most of its tropical characteristics by September 1, with the majority of convection sheared northeast over South Korea and Japan. Agnes later accelerated northeast and completed its transition on September 3. The remnants continued along this course, impacting northern Japan and the Kamchatka Peninsula before last being noted on September 6 near the International Date Line.
Meteorological history | |
---|---|
Formed | August 25, 1981 |
Extratropical | September 3, 1981 |
Dissipated | September 6, 1981 |
Typhoon | |
10-minute sustained (JMA) | |
Highest winds | 150 km/h (90 mph) |
Lowest pressure | 950 hPa (mbar); 28.05 inHg |
Category 2-equivalent typhoon | |
1-minute sustained (SSHWS/JTWC) | |
Highest winds | 175 km/h (110 mph) |
Lowest pressure | 947 hPa (mbar); 27.96 inHg |
Overall effects | |
Casualties | 159 (killed or missing) |
Damage | ≥$135 million (1981 USD) |
Areas affected |
|
IBTrACS | |
Part of the 1981 Pacific typhoon season |
Throughout the course of Agnes' existence, several countries were affected by torrential rains and typhoon-force winds. Hardest hit was South Korea where record-breaking rains triggered widespread flooding. More than 12,000 structures were damaged or destroyed by the storm and 191,000 acres (77,000 hectares) of farmland was inundated. A total of 113 people died in the country while damage reached $134 million. Taiwan saw similarly destructive rains which left 32 people dead or missing. A further 14 people died in mainland China where coastal flooding from the typhoon's slow movement coincided with the spring tide, resulting in the greatest storm surge since 1949 along the Yangtze estuary and Hangzhou Bay. Much of Japan saw rains from the storm, though no significant damage or loss of life took place in the country.