Typhoon No. 31 moves north west of Ogasawara, fear of heavy rain in Kanto - Japan Meteorological Agency

On the 4th, strong Typhoon No. 31 moved northward over the southwest coast of the Ogasawara Islands. According to the Japan Meteorological Agency, it is expected to move northeast over the sea north of the Ogasawara Islands on the afternoon of the 5th, and turn into an extratropical cyclone over the sea far east of Japan by the 6th.

According to the agency, the front is expected to extend to the Pacific side of western and eastern Japan by the morning of the 5th, and a low pressure system is expected to form on the front east of the Kanto region. After that, the low pressure system is expected to develop and move northeast. There is a risk of heavy rain in the Kanto region as warm, humid air flows towards the front and low pressure from the area around No. 31 and the edge of the high pressure system far east of Japan. The agency urged caution against landslides and flooding in low-lying areas.

At 3 p.m. on the 4th, No. 31 headed north at a speed of 15 kilometers per hour in the sea southwest of the Ogasawara Islands. The central pressure was 970 hectopascals, the maximum wind speed was 35 m/s, and the maximum instantaneous wind speed was 50 m/s. Areas within 130 km on the east side and 110 km on the west side are areas with strong winds of 25 m/s or more, while areas within 330 km on the east side and 280 km on the west side are areas with strong winds of 15 m/s or more.

The predicted rainfall for the 24 hours up to 6 p.m. on the 5th is expected to be 180 mm in the Izu Islands, 130 mm in the southern Kanto region, and 120 mm in the northern Kanto region.