Typhoon No. 12 Extratropical cyclone may increase rainfall on the Pacific side of Tohoku September 24, 17:07

Typhoon No. 12 changed to an extratropical cyclone over the sea east of the Kanto region at 3:00 pm on the 24th, but it is likely that rainfall will increase on the Pacific side of the Tohoku region over the 26th.

It is necessary to pay sufficient attention to sediment-related disasters, strong winds, and high waves.

According to the Japan Meteorological Agency, Typhoon No. 12 turned into an extratropical cyclone over the sea east of the Kanto region at 3:00 pm on the 24th.



Windy conditions continue in the coastal areas of the Kanto region and the Izu Islands, and in these three hours, both are 23.4 meters at Hachijojima in the Izu Islands at around 1:30 pm and 22.6 meters at Kozushima after 2:30 pm. The maximum instantaneous wind speed was observed.

Tohoku Pacific side There is a risk of heavy rain intermittently over the 25th

The low pressure system that changed from the typhoon is expected to move northward as it develops, and it will rain more heavily, mainly on the Pacific side of the Tohoku region, and there is a risk of intermittent heavy rains until the 25th.



The amount of rainfall in the 24 hours until the evening of the 25th is expected to be 100 mm in many parts of the Pacific side of Tohoku, and


then in the 24 hours from the evening of the 25th to the evening of the 26th, in the Pacific side of Tohoku and Hokkaido. It is expected to rain 100 to 150 mm.



In addition, another low pressure system is expected to cause unstable atmospheric conditions over a wide area due to the effects of traveling in western Japan.

Strong winds in the center of the coast

In the Kanto region and the Pacific side of northern Japan, windy conditions are expected to continue, especially at sea.



The maximum wind speed over the 25th

is expected to be


23 meters on the Pacific side of northern Japan


and 20 meters in the Kanto region, and the


maximum instantaneous wind speed is

expected to be


35 meters on the Pacific side of northern Japan


and 30 meters on the Kanto region. ..



On the Pacific side of northern Japan, the wind is strong on the 26th, and the


maximum wind speed is


expected to be

20 to 24 meters. The

maximum instantaneous wind speed is expected to be 30 to 40 meters.



The waves are high,


▽ 7 meters on the Pacific side of Tohoku


, 6 meters on the Pacific side of Izu Islands and Kanto, Hokkaido on the

25th,

and 7 meters

on the Pacific side of


northern Japan even

on the

26th. It is expected.



It is necessary to pay close attention to sediment-related disasters and inundation of low land, and to pay close attention to strong winds and high waves on the Pacific side of northern Japan and the coastal areas of the Kanto region.