Key Facts
• A heatstroke alert has been issued for Tokyo on July 21.
• Temperatures are expected to reach 34°C in Tokyo, with a WBGT of 31.
• WBGT (Wet Bulb Globe Temperature) measures heatstroke risk based on temperature, humidity, and sunlight.
• WBGT levels: 31+ (Danger), 28-31 (Severe Warning), 25-28 (Warning), below 25 (Caution).
• Predicted WBGT for other areas: Hachioji 33, Nerima 32, Fuchu 32, Edogawa 30.
• Preventive actions include proper air conditioning use, avoiding outdoor activities during peak heat, and staying hydrated.
• Vulnerable groups like the elderly, children, and those with health conditions require extra precautions.
• Event organizers and facility managers are advised to monitor WBGT and inform participants.
• The alert is issued when WBGT is forecasted to exceed 33, with updates provided at 5 a.m. or 5 p.m. daily.
Summary
The Japan Meteorological Agency has issued a heatstroke alert for Tokyo on July 21 due to dangerously high temperatures, with a forecasted high of 34°C and a WBGT of 31. Residents are urged to take preventive measures, including using air conditioning, limiting outdoor activities, and staying hydrated. Vulnerable groups, such as the elderly and children, should be closely monitored. Event organizers are encouraged to check WBGT levels and inform participants about heatstroke prevention. The alert aims to raise awareness and encourage protective actions as WBGT levels indicate a high risk of heat-related illnesses.
