News HOMENews All Announcements Articles Forecast Accuracy 2026/07/17 Articles Weather Forecast Data for Business in Japan: What Companies Need to Know 2026/07/06 Articles Why Heavy Rain in Japan Can Become Dangerous: Understanding Linear Precipitation Bands 2026/06/15 Articles Japan’s 2026 Typhoon Outlook: Increased Risk of Typhoons Approaching Japan in August, with Potential Impacts from Stronger Typhoons in Autumn 2026/06/11 Articles What Is Japan’s Baiu, or Tsuyu, Rainy Season? Explaining the Mechanism of Baiu and “Onset of Baiu” / “End of Baiu” 2026/05/27 Articles What Is Weather Risk in Renewable Energy Businesses? Data Utilization and Decision-Making by Time Scale 2026/05/13 Forecast Accuracy 2025 Japan Weather Association’s Forecast Accuracy Verification Results 2026/04/16 Articles Japan’s Summer 2026 Weather Forecast and Its Impact on the Energy Sector: Extreme Heat, Renewable Energy Generation, and Typhoon Risks Explained 2026/03/26 Articles Summer 2026 Weather Forecast for Japan: Temperatures May Be Above Normal 2026/02/06 Articles Japan’s Weather in 2026: Prepare for Extreme Heat, Increased Rain, and Typhoons — Long-Term Forecast by Japan Weather Association 2026/02/06 Articles Japan’s 2025 Weather Review — Business Impacts of a Cold Winter and Record-Breaking Heat 1 2 3 4