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Typhoon Hagibis Struck Japan After Rapidly Intensifying Over the Western Pacific Ocean (RECAP)
Typhoon Hagibis Struck Japan After Rapidly Intensifying Over the Western Pacific Ocean (RECAP)
Sep 22, 2024 4:54 PM

At a Glance

Typhoon Hagibis made landfall in Japan on Saturday, Oct. 12, at Category 2 strength.Torrential rainfall, damaging winds and storm surge flooding hammered Japan.This was the second significant typhoon strike in Tokyo in just over a month, after September's Faxai.

Typhoon Hagibis struck Japan on Saturday, Oct. 12, with torrential rainfall, storm surge flooding and strong winds hammering its largest main island, Honshu. Hagibis had rapidly intensified into a super typhoon over the open waters of the Western Pacific Ocean, but it weakened before reaching Japan.

The typhoon made landfall at strength over Izu Peninsula at Kawasaki City on Oct. 12 around 7 p.m. local time, according to the U.S. Joint Typhoon Warning Center. Hagibis had previously been a super typhoon – a term given to typhoons with estimated maximum winds of at least 150 mph – for 78 hours, since Oct. 6 into Oct. 7.

(LATEST NEWS: Hagibis Slams Japan; At Least One Dead, Dozens Injured)

Torrential rainfall and flooding inundated southern parts of Honshu, Japan's largest main island. More than a foot of rainfall was measured over the Tokai region, and 37 inches of rain had been reported at Hakone in Kanagawa Prefecture from late Oct. 11 to late Oct. 12.

The (JMA) issued its highest alert level for in parts of Honshu, including the Tokyo area, on Oct. 12.

A was measured at Kozushima in Tokyo Prefecture, and a was recorded at Tokyo Airport. The highest sustained wind was 78 mph at Haneda, also in Tokyo Prefecture.

A tornado also caused damage in Ichihara, Chiba Prefecture, on the morning of Oct. 12, when a after his vehicle flipped over, also injuring several others.

Hagibis struck Japan just over a month after Typhoon Faxai hammered Tokyo and Chiba Prefecture, damaging 34,000 buildings, knocking out power to 930,000 homes, snarling air and rail travel and causing over a half-billion dollars in agricultural damage, according to .

Travel was also impacted, including in the Tokyo area, where some had been announced. Hagibis also disrupted Rugby World Cup matches in Japan, including a match between England and France and a match between New Zealand and Italy that were scheduled for Oct. 12 but .

Beach houses are damaged as typhoon hits the beachfront area in Miura, south of Tokyo, Monday, Sept. 9, 2019.

(Kyodo News via AP)

Hagibis' Rapid Intensification

Maximum sustained winds near the center of Hagibis increased from 60 mph at 8 a.m. EDT on Oct. 6 to 160 mph at 8 a.m. EDT on Oct. 7. That means Hagibis intensified from a tropical storm to a Category 5 equivalent in just 24 hours.

Based on wind speed, the rapid intensification of Hagibis rivaled one of the most extreme typhoons on record. Maximum sustained winds in , according to NOAA's Hurricane Research Division.

Hagibis brought bands of heavy rain and gusty winds to the Northern Mariana Islands, including Guam and Saipan, late Oct. 7 into Oct. 8. Anatahan Island saw the brunt of the strongest winds from Hagibis, although that island has no population.

The Western Pacific Ocean is the most active basin for tropical cyclones on Earth.

Hagibis was the in the Western Pacific Ocean, according to Digital Typhoon.

From 1981-2010, an average of 26 Western Pacific named storms formed each year, 17 of which became typhoons – more than double the average of Atlantic Basin named storms (12) and hurricanes (6).

Since these Western Pacific systems can form any time of year, there really is no season.

The Weather Company’s primary journalistic mission is to report on breaking weather news, the environment and the importance of science to our lives. This story does not necessarily represent the position of our parent company, .

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