栃木・群馬で浸水や土砂崩れ 激しい雷雨でレベル5「緊急安全確保」も(2026年7月18日)

In the Kanto region, extremely heavy thunderstorms occurred from the 17th to the early morning of the 18th. Tochigi and Gunma prefectures experienced widespread damage, including flooding and landslides. In Sano City and Ashikaga City, Tochigi Prefecture, a Level 5 "Emergency Safety Measure" alert was issued for some areas. In Ashikaga City, a record-breaking 128 mm of rain fell in three hours on the 17th. According to Tochigi Prefecture, as of 6:00 AM on the 18th, 30 buildings had been damaged: one completely destroyed, 11 with above-floor flooding, and 18 with below-floor flooding. In Gunma Prefecture, at least 23 buildings with above-floor flooding and 50 with below-floor flooding were reported. Furthermore, 19 people in Tochigi Prefecture and 91 people in Gunma Prefecture were evacuated. On a national highway in Ota City, a car believed to be submerged and immobile was found stranded. In addition, a road along a river in Ashikaga City, Tochigi Prefecture, has collapsed, making it impassable. [TV Asahi NEWS] https://news.tv-asahi.co.jp