Shanghai Meteorological Center issued a yellow warning signal for lightning at 14:30 on May 11, 2024: It is expected that thunder and lightning activities will occur in most areas of the city within 12 hours, accompanied by short-term heavy precipitation of about 20 mm in 1 hour, which may cause lightning disasters, please take precautions.
Defense Guide:
1. Stop outdoor activities in open areas.
2. Stop swimming in rivers, rivers, lakes and seas.
3. Keep away from big trees, corners of walls or places with protruding metal objects; Do not hold objects with metal corners facing the air in your hands or carry them on your shoulders.
4. The government and relevant departments should do a good job of lightning response in accordance with the plan.