Group 1: Weather Impact - A strong heatwave is affecting multiple provinces in China, with high temperatures expected to persist, particularly in Jiangsu, Zhejiang, Fujian, Jiangxi, Hunan, Guangdong, Guangxi, and others [1] - The Central Meteorological Observatory issued a yellow alert for high temperatures, predicting daytime temperatures above 35°C in various regions including North China, Huanghuai, Jianghuai, Jiangnan, and parts of Xinjiang [1][4] - The maximum electricity load in China reached a historical high of 1.465 billion kilowatts on July 4, 2023, an increase of nearly 150 million kilowatts compared to the same period last year [1] Group 2: Meteorological Analysis - The current high temperature and humidity levels are considered unusual for this time of year, with significant heat observed in northern regions before the traditional "Minor Heat" period [2] - The phenomenon is attributed to the early northward movement of the subtropical high-pressure system, which has led to widespread high temperatures and moisture transport from the ocean [2] Group 3: Health Concerns - There has been an increase in cases of heat-related illnesses such as heat stroke, with reports of patients experiencing severe symptoms due to prolonged exposure to high temperatures [5][7] - Recommendations for preventing heat-related illnesses include avoiding outdoor activities during peak heat hours, wearing light clothing, and staying hydrated with electrolyte-rich fluids [8][10]