Key Facts
• August 5: Yamagata Prefecture faces extreme heat, increasing heatstroke risks.
• Predicted maximum temperatures: Yamagata and Yonezawa at 35°C, Sakata at 33°C.
• Heat index (WBGT) forecast: Yamagata 33, Sakata 32, Shinjō 31, Murayama 32.
• WBGT scale: 31+ (Danger), 28-31 (Severe Warning), 25-28 (Warning), below 25 (Caution).
• Preventive actions: Use air conditioning, avoid outdoor activities during peak heat.
• Hydration advice: Regular water and salt intake indoors and outdoors.
• Vulnerable groups: Elderly, children, individuals with health conditions, and those with disabilities.
• Facility managers and event organizers urged to monitor WBGT and advise participants.
• Heat index data available on the Ministry of Environment’s Heatstroke Prevention Information Site.
Summary
On August 5, Yamagata Prefecture is under a heatstroke alert due to extreme heat, with temperatures reaching up to 35°C in some areas. The heat index (WBGT) indicates dangerous levels, particularly in Yamagata City (33) and Sakata (32). Residents are advised to use air conditioning, limit outdoor activities, and stay hydrated. Vulnerable groups, including the elderly and children, require special attention. Facility managers and event organizers should monitor WBGT levels and take preventive measures. For detailed heat index data, visit the Ministry of Environment’s Heatstroke Prevention Information Site.
