The Japan Meteorological Agency (JMA) said on Monday that the flow of warm, moist air from a low pressure system hovering over the Sea of ​​Japan is causing heavy rainfall, especially in the Pacific, Xinhua news agency reported. informed of.

Very heavy rainfall and localized thunderstorms may occur, with linear rain bands forming particularly over Miyazaki and Kagoshima, the JMA said.

Rainfall is expected to be 300 mm in southern Kyushu, 200 mm in the Shikoku region, 180 mm in northern Kyushu and Amami, 150 mm and 120 mm in areas of Kansai and Okinawa in the 24 hours to Tuesday afternoon. According to the agency, Toka area.

Atmospheric conditions could become very unstable over areas from southwestern Okinawa and Amami to the east of the country by Wednesday, weather officials said.

In the 24 hours to Wednesday afternoon, 100 to 200 mm of rain is expected in the Tokai and Kanto-Koshin regions and 100 to 150 mm of rain is expected in the Kansai and Ize island chains in the Pacific south of Tokyo.

Meanwhile, the first typhoon of the season, Avinire, which made landfall on Sunday, is developing and moving north-east and is expected to make landfall near the Daitojime area of ​​Okinawa in southwestern Japan.