Key Facts
• On August 12, Obihiro recorded 40 mm of rainfall in one hour, a 50-year record.
• Unstable atmospheric conditions persist in eastern Hokkaido, causing heavy rain.
• Rivers in the region are rising rapidly; flood warnings have been issued.
• Obihiro experienced a high temperature of 32.7°C, with Shintoku reaching 32.5°C.
• The Perseid meteor shower peaks tonight, with up to 30 meteors visible per hour.
• Clear skies on the Sea of Japan side offer ideal stargazing conditions.
• August 13 weather forecast: widespread sunshine, lower temperatures below 30°C, and low humidity.
• Afternoon instability may bring sudden rain; precautions advised for outdoor activities.
• Sapporo’s 10-day forecast predicts rain on August 15 due to a passing low-pressure system.
• High temperatures and humidity are expected to return on August 16, reaching 31°C.
• Weekly forecast for Hokkaido indicates localized heavy rain on August 15 and humid weekend weather.
Summary
Eastern Hokkaido experienced a historic weather event on August 12, with Obihiro recording 40 mm of rainfall in one hour, the heaviest in 50 years. The Tokachi region faces flood risks as river levels rise rapidly. High temperatures persisted, with Obihiro and Shintoku exceeding 32°C. The Perseid meteor shower peaks tonight, offering ideal viewing conditions on the Sea of Japan side. Tomorrow, August 13, will bring widespread sunshine and lower temperatures, though sudden rain is possible in the afternoon. Sapporo’s 10-day forecast suggests rain on August 15, followed by a return of high heat on August 16. Residents are advised to remain cautious of weather changes and prepare for potential flooding and sudden rain.
