Key Facts
• On September 2 (Tuesday) night, linear rainbands are expected to form.
• Heavy rain warnings issued for Murakami City and Sado City.
• Thunderstorm warnings in effect across all areas of Niigata Prefecture.
• Rain peak in Chūetsu region expected on September 2 night, with potential flooding.
• Niigata City and Sado may experience torrential rain resembling waterfalls.
• Murakami to Seirō areas face risk of dangerous rain early September 3.
• Wind expected to remain weak; wave heights forecasted at 1.5m (upper/mid Niigata) and 2m (lower Niigata/Sado).
• September 4 forecast: mostly sunny with possible scattered showers.
• September 5 forecast: rain likely, with localized heavy downpours.
• Residents advised to avoid underpasses, cliffs, and low-lying areas.
Summary
Niigata Prefecture is bracing for dangerous weather as linear rainbands are expected to form on the night of September 2, bringing torrential rain and thunderstorms. Heavy rain warnings are in place for Murakami City and Sado City, with thunderstorm alerts issued across the region. The Chūetsu area will see rain peak overnight, with risks of flooding and rising river levels. Lower Niigata, including Niigata City and Sado, may experience extremely heavy rain resembling waterfalls, while Murakami to Seirō faces the highest risk of dangerous rain early September 3. Winds are expected to remain weak, with wave heights reaching up to 2 meters in some areas. The weather is expected to improve on September 4, but scattered showers may occur, followed by another rainy day on September 5. Residents are urged to stay vigilant, avoid hazardous areas, and prepare for potential disruptions.
