typhon Flo

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Typhoon Flo, known in the Philippines as Super Typhoon Norming, was a long-lived typhoon that brought destruction to much of Japan during September 1990. Flo originated from an area of convection that first formed to the southeast of the Marshall Islands on September 7. Five days later, the disturbance obtained tropical depression status, and on September 13, intensified into a tropical storm. Tracking west-northwest as it rounded a subtropical ridge, Flo slowly deepened, and on September 15, became a typhoon. After developing an eye, Flo began to rapidly intensify, and on September 17, Flo attained peak intensity. Shortly thereafter, the typhoon began to recurve to the northeast towards Honshu in response to deepening troughs to the northwest and north of the system, which resulted in a weakening trend due to increased vertical wind shear despite remaining over warm water. On September 19, Flo made landfall on southern Honshu, becoming the first typhoon to hit the Kii Peninsula in 11 years, and thereafter started to transition into an extratropical cyclone. The extratropical remnants of Flo were last noted on the morning of September 22. Typhoon Flo was the strongest system to affect Japan since 1959. For a period of three days, the typhoon dropped heavy rainfall across much of the Japanese archipelago, which inflicted damage in 44 of 47 prefectures. The typhoon also passed just east of Okinawa, coming close enough to drop heavy rainfall. There, four people were killed, four were hurt, and five vessels sunk. On the northeastern side of Shikoku Island, in Kagawa Prefecture, two people were killed, 1,748 homes were damaged, and another 116 homes were destroyed. Across the Amami Islands, 13 people were killed, 29 others were hurt, 917 homes were damaged, and an additional 446 houses were destroyed, resulting in 2,327 homeless individuals. In Okayama...