Typhoon Cora, known in the Philippines as Typhoon Ibiang, was a moderately strong

typhoon A typhoon is a tropical cyclone that develops between 180° and 100°E in the Northern Hemisphere and which produces sustained hurricane-force winds of at least . This region is referred to as the Northwestern Pacific Basin, accounting for a ...

that caused significant impacts in

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

and the

Caroline Islands The Caroline Islands (or the Carolines) are a widely scattered archipelago of tiny islands in the western Pacific Ocean, to the north of New Guinea. Politically, they are divided between the Federated States of Micronesia (FSM) in the cen ...

during the

1969 Pacific typhoon season The 1969 Pacific typhoon season was the fourth least-active season on record. The season had no official bounds; it ran year-round in 1969, but most tropical cyclones tend to form in the northwestern Pacific Ocean between June and December. Thes ...

. Tropical Depression 09W formed on August 12, 1969, 2 days after Typhoon Betty (Huling) dissipated. The depression intensified into Tropical Storm Cora on August 14 and had later intensified into Typhoon Cora 4 days later. Cora made landfall in the

Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and A ...

on August 19 right after the storm intensified into Category 2 status.

Okinawa Island , officially , is the largest of the Okinawa Islands and the Ryukyu Islands, Ryukyu (''Nansei'') Islands of Japan in the Kyushu region. It is the smallest and least populated of the five Japanese archipelago, main islands of Japan. The island is ...

received minor damage. After making landfall in

Kyushu is the third-largest island of Japan's Japanese archipelago, four main islands and the most southerly of the four largest islands (i.e. excluding Okinawa Island, Okinawa and the other Ryukyu Islands, Ryukyu (''Nansei'') Ryukyu Islands, Islands ...

–

Honshu , historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the list of islands by area, seventh-largest island in the world, and the list of islands by ...

, Cora transitioned into a extratropical state and finished on August 21. Cora dissipated on August 23, 1969.

Meteorological history

At 6:00

UTC Coordinated Universal Time (UTC) is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communica ...

, on August 12, 1969, the

Joint Typhoon Warning Center The Joint Typhoon Warning Center (JTWC) is a joint United States Navy – United States Air Force command in Pearl Harbor, Hawaii. The JTWC is responsible for the issuing of tropical cyclone warnings in the North-West Pacific Ocean, South P ...

began to monitor a

tropical depression A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...

that had formed north of the

. Damaging most of the Caroline Islands, the tropical depression moved north, and on August 14, at 23:00 UTC, the storm intensified into a tropical storm with winds up to . Then the tropical storm was given the name ''Cora''. Tropical Storm Cora traveled into the

Philippine Area of Responsibility The Philippine Area of Responsibility (PAR) is an area in the Northwestern Pacific where PAGASA, the Philippines' national meteorological agency, monitors weather occurrences. Significant weather disturbances, specifically typhoons that enter o ...

and was designated as Tropical Storm Ibiang on August 16 at 23:00 UTC. After bringing rain to

the Philippines The Philippines, officially the Republic of the Philippines, is an archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of 7,641 islands, with a total area of roughly 300,000 square kilometers, which ar ...

and

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...

, Cora left the Philippine Area of Responsibility and with winds up to , the storm intensified to

status at 11:00 UTC. A day later, on August 18, Typhoon Cora intensified into Category 2 status with winds up to . Soon after, Cora began to make a definite eye formation and finished the same day. As it made landfall in the

mainly

Okinawa most commonly refers to: * Okinawa Prefecture, Japan's southernmost prefecture * Okinawa Island, the largest island of Okinawa Prefecture * Okinawa Islands, an island group including Okinawa itself * Okinawa (city), the second largest city in th ...

), Cora moved up to the island of Kyushū with winds up to at 23:00 UTC on August 20.

Honshū , historically known as , is the largest of the four main islands of Japan. It lies between the Pacific Ocean (east) and the Sea of Japan (west). It is the seventh-largest island in the world, and the second-most populous after the Indonesian ...

received a downpour of rain from Typhoon Cora. Cora then began to transition into a extratropical state. Typhoon Cora finished on August 21 at 16:00 UTC. The extratropical cyclone moved up with winds up to . After crossing Honshū and producing rain, Cora dissipated near

Hokkaidō is the second-largest island of Japan and comprises the largest and northernmost prefecture, making up its own region. The Tsugaru Strait separates Hokkaidō from Honshu; the two islands are connected by railway via the Seikan Tunnel. The ...

on August 23 at 05:00 UTC. Cora was the only typhoon that had impacted Japan that season and the second

tropical cyclone A tropical cyclone is a rapidly rotating storm system with a low-pressure area, a closed low-level atmospheric circulation, strong winds, and a spiral arrangement of thunderstorms that produce heavy rain and squalls. Depending on its locat ...

to impact Japan before Severe Tropical Storm Alice.

Preparations and impact

Before Typhoon Cora made landfall, there were up to 34 warnings and 15 of those were at typhoon intensity by the

and the

Japan Meteorological Agency The Japan Meteorological Agency (JMA; ''気象庁, Kishō-chō'') is a division of the Ministry of Land, Infrastructure, Transport and Tourism dedicated to the Scientific, scientific observation and research of natural phenomena. Headquartered ...

. As a tropical depression, Cora brought rainfall over the Caroline Islands, one of them being the Woleai Atoll. After intensifying into a Category 2 typhoon, Typhoon Cora struck the Ryukyu Islands with heavy rain and caused families within low-lying coasts to flee. After causing minor damage, Typhoon Cora then killed one person and injured 37 people on the island of Okinawa on August 19. Before Cora's dissipation on the 23 of August, Cora left hundreds without homes and left police to help recover from the damage. Cora had also brought rain up to

and

before it dissipated on August 23.

References

External links

www.metoc.navy.milwww.jma.go.jpAn article about Typhoon Cora's structure.
{{DEFAULTSORT:Cora (1969) 1969 Pacific typhoon season Typhoons in Japan

Meteorological history

Preparations and impact

See also

References

External links