According to the website of the Central Meteorological Observatory, the Hainan Provincial Meteorological Bureau continued to issue a level-IV high temperature warning at 6:20 on April 1, 2024: It is expected that during the daytime of April 1, most towns and townships in seven cities and counties—Chengmai, Danzhou, Lingao, Changjiang, Baisha, Dongfang and Tunchang—as well as the Yangpu District will experience high temperature weather above 37 degrees Celsius. Relevant units are requested to make proper preparations for heatstroke prevention and cooling, forest fire prevention and extinguishing, and related work.

　　Defense guidelines:

　　1. Relevant departments and units shall make preparations for heatstroke prevention and cooling according to their responsibilities;

　　2. Minimize outdoor activities in the afternoon;

　　3. Provide guidance on heatstroke prevention and cooling for the elderly, the weak, the sick, and young children;

　　4. Personnel working under high temperature conditions and those who need to carry out outdoor work for long periods during the daytime shall take necessary protective measures.