Heavy rain in Tokai region, special flood warning for Shonai River; Japan Meteorological Agency issues highest level of caution
The Japan Meteorological Agency has issued a level 5 flood warning for the Shonai River, which flows through both Aichi and Gifu prefectures. Nagoya City recorded 104.5 millimeters of rainfall in one hour, the heaviest in recorded history.
Quick Look
- Heavy rain fell in the Tokai region on the afternoon of the 8th due to the front, and the Japan Meteorological Agency issued a Level 5 flood warning for the Shonai River, which flows through Aichi and Gifu prefectures.
- Nagoya City recorded the heaviest rainfall ever recorded.
- The Japan Meteorological Agency urges everyone to ensure their own safety.
AI-generated summary
Why It Matters
The front extending toward the Pacific Ocean brought heavy rain mainly to the Tokai region, and the Japan Meteorological Agency issued a special flood warning for the Shonai River.
Heavy rain fell in the Tokai region on the afternoon of the 8th due to a front extending toward the Pacific Ocean. At 6:20 a.m., the Japan Meteorological Agency issued a Level 5 flood warning for the Shonai River, which flows through Aichi and Gifu prefectures. Takuya Hosomi, head of the agency's forecast division, said at a press conference, ``We need to ensure our own safety by moving to a higher location that is less likely to be flooded.''
There are 14 municipalities involved in the special warning. Aichi Prefecture consists of Nagoya City, Seto City, Kasugai City, Komaki City, Ichinomiya City, Inazawa City, Kiyosu City, Kitanagoya City, Ama City, Toyoyama Town, Oji Town, and Kanie Town. Gifu Prefecture consists of Tajimi City and Toki City.
The Japan Meteorological Agency announced that a linear rain band had formed in both Aichi and Gifu prefectures around 4:30 p.m. on the 8th. In both prefectures, breaking news of heavy rain in a record short period of time was issued one after another. In the city of Nagoya (Chikusa Ward), 104.5 millimeters of rain fell in the hour until just after 4:50 p.m. on the same day, setting a new statistical record for the area.
Forecast information for a linear rain belt was issued in the Kanto-Koshin, Tokai, and Shikoku regions through the 9th. The period during which the virus is likely to occur is until dawn in Ibaraki, Saitama, Chiba, Tokyo, and Kanagawa prefectures, until noon in Tokushima and Kochi prefectures, and until evening in Gifu, Shizuoka, Aichi, and Mie prefectures.
The front will remain mostly stationary on the Pacific side of eastern and western Japan until the 10th, and the tropical cyclone that changed from Typhoon No. 24 is expected to become a frontal cyclone over western Japan on the 9th.
The predicted rainfall for the 24 hours up to 6 p.m. on the 9th is expected to be 250 mm in Kanto-Koshin and Shikoku, 200 mm in Tokai and Kinki, 150 mm in Hokuriku, and 120 mm in Tohoku.
After that, until 6 p.m. on the 10th, the total rainfall was 100 mm in the Tokai region and 80 mm in the Kanto-Koshin, Hokuriku, and Kinki regions.
What to Watch
AI outlook — possibilities, not facts
Continued heavy rain in Kanto-Koshin, Tokai, Shikoku, etc. due to the front and tropical cyclone
Very likely · Within days
Open Questions
- What is the actual situation of flood damage and human damage?
- What is the status of evacuation completion in areas subject to evacuation orders?
