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Monday, 07 September 2020, 12:45 CEST





HAISHENs trajectory, 07.09.,
06 UTC Image Credit: JWTC
Satellite image (visible), 07.09., 03 UTC
Data Source: Himawari8
Wind gusts on surface, 07.09., 12 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann
72 h acculumated precipitation, 10.09., 00 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann


Typhoon
Japan, Korea

Issued: Monday, 07 September 2020, 12:45 CEST

Ex-Super Typhoon HAISHEN has made landfall in Busan (South Korea) as an upper Category 1 Typhoon and then re-entered the open water in the Japanese Sea. Still rain amounts up to 150 mm possible.

01.-08.09.2020



Under continuous weakening ex-Super Typhoon HAISHEN moved towards South Korea and made landfall on 07 September at 00 UTC as upper Category 1 Typhoon in the southeast of the country. The trajectory passed over Busan, with 3.5 million inhabitants the second largest city in South Korea. The eye of HAISHEN moved further north, where it returned over open water a few hours ago. However, due to significant wind shear and water temperatures below 25°C, no further intensification will take place. The asymmetric appearance of the storm also shows the beginning of the extratropical transition in the satellite image. Nevertheless, heavy precipitation continues, especially in the eastern quadrants of the storm. On the east coast of North Korea, precipitation amounts of up to 150 mm are possible, locally even more due to orographic rain.


Saturday, 05 September 2020, 12:00 CEST





HAISHENs trajectory, 05.09.,
06 UTC Image Credit: JWTC
Satellite image (visible), 05.09., 00 UTC
Data Source: Himawari8
Wind gusts on surface, 05.09., 00 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann
120 h acculumated precipitation, 10.09., 00 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann


Typhoon
Japan, Korea

Issued: Saturday, 05 September 2020, 12:00 CEST

Super Typhoon HAISHEN has underwent an explosive intensification up to mean wind velocities of 250 kph and gusts around 300 kph. With slowly decreasing strength HAISHEN will move across Anami-Oshima and the western Islands of Kyushu before it makes landfall on the southern coast of South Korea likely as a Category 1 typhoon.

01.-08.09.2020



After a rapid intensification on September 3, HAISHEN underwent an early eyewall replacement cycle, which made the eyewall more robust and stable. Further reinforcement led to the system being classified as Super Typhoon (Category 4) in the early morning of September 04. The peak intensity was 250 kph. Today, September 05, the cyclone moved over cooler water, which destroyed the clear eye. The satellite image already shows an asymmetry with strong convection in the eastern quadrants where humid tropical air is sucked in and rather light cloud cover in the western quadrants where dry subtropical air enters the cyclone.

The strongest winds of the hurricane are accompanied by waves up to 13 m high, which can cause damage to the coast of Japan and neighboring islands. In addition to the usual storm damage, there is also the risk of flooding due to total precipitation of up to 250 mm. The values can also be higher in congested areas on the windward side of mountains.


Thursday, 03 September 2020, 12:00 CEST





MAYSAK and HAISHENs trajectories, 03.09.,
06 UTC Image Credit: JWTC and Google Earth
Wind gusts on surface, 01.09., 00 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann
Wind gusts on surface, 02.09., 12 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann
84 h acculumated precipitation, 04.09., 12 UTC
Data Source: WeatherCAN (GEM Model)
Image Credit: Fabian Siegmann


Typhoon
Japan, Korea

Issued: Thursday, 03 September 2020, 12:00 CEST

Two Super Typhoons could cross South Korea within four days. HAISHEN may cause gusts up to 200 kph in Okinawa and southern Kyushu as well as in South Korea. Rain amounts up to 300 mm possible.

01.-08.09.2020



After ex-Super Typhoon MAYSAK has already made landfall over South Korea and has provided daily precipitation of 289 mm there (Changjon, North Korea), the next Super Typhoon is already in the process of developing in the Philippine Sea. HAISHEN's trajectory will go over the northern Anami Islands, passing close to the west coast of Kyushu until it reaches the south coast of South Korea. The peak intensity is expected on September 05 at 00 UTC with mean winds of 250 kph. The strongest gusts may exceed the 300 kph mark. As always, tropical cyclones are also associated with the danger of heavy precipitation, especially on the upwind side of mountains. This can result in precipitation of up to 300 mm, locally even more.


Issued: September 03, 2020, 12:00 CEST
FS

Issued: September 05, 2020, 12:00 CEST
FS

Issued: September 07, 2020, 12:45 CEST
FS

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