Key Facts
• Atmospheric instability in Hokuriku region due to low-pressure system with a front.
• Niigata Prefecture may experience linear rainband formation by the morning of September 3.
• Predicted hourly rainfall: Niigata 50mm, Toyama 40mm, Ishikawa 40mm, Fukui 40mm.
• Predicted 24-hour rainfall (Sept 3, 6 AM – Sept 4, 6 AM): Niigata 100mm, Toyama 70mm, Ishikawa 70mm, Fukui 50mm.
• Linear rainbands could cause localized increases in rainfall, raising disaster risks.
• Risks include flooding in low-lying areas, landslides, and river overflows in Niigata.
• Hokuriku region may face lightning, tornadoes, strong gusts, and hail through September 3 morning.
• Residents advised to seek shelter if cumulonimbus clouds approach and secure agricultural assets.
Summary
The Hokuriku region, particularly Niigata Prefecture, faces significant weather risks due to a low-pressure system with a front causing atmospheric instability. A linear rainband may form by the morning of September 3, potentially leading to heavy rainfall and disaster risks. Niigata could see up to 50mm of rain per hour and 100mm over 24 hours, with other prefectures also experiencing substantial rainfall. Residents are urged to prepare for flooding, landslides, and river overflows, and to remain vigilant for lightning, tornadoes, and hail. Safety measures, including seeking shelter and protecting crops, are strongly recommended.
