The weather forecast says the wind is 7-8. Do you want to study?

Typhoon warning signals are divided into four levels, which are represented by blue, yellow, orange and red respectively. (1) typhoon blue warning signal meaning: it may be affected by tropical depression within 24 hours, and the average wind force may reach 6 or above or gust 7 or above; Or it has been affected by tropical depression, with an average wind force of 6-7, or a gust of 7-8 and may continue. Defense measures: 1. Prepare for wind protection, and relevant departments start the defense work plan; 2. Pay attention to media reports on the latest news of tropical depression and windproof notices; 3. Fasten doors and windows, hoardings, scaffolding, outdoor billboards, temporary structures and other structures that are easily blown by the wind, and properly arrange outdoor items that are easily affected by tropical depression. (2) The meaning of typhoon yellow warning signal: it may be affected by tropical storms or strong tropical storms and typhoons within 24 hours, and the average wind power may reach above 8 or the gust is above 9; Or it has been affected by tropical storms, with an average wind force of 8-9, or a gust of 9- 10 and may continue. Defense measures: 1. Enter the windproof state, and the relevant departments start the defense work plan; 2. Close doors and windows, residents and ships in dangerous areas and dangerous buildings take shelter from the wind, and outdoor workers such as high altitude, beaches and water stop working, and workers in dangerous areas evacuate in time ... (3) The meaning of the orange warning signal of typhoon: it may be affected by tropical storms or strong tropical storms and typhoons within 24 hours, and the average wind force can reach above 8 or gust above 9; Or it has been affected by tropical storms, with an average wind force of 8-9, or a gust of 9- 10 and may continue. Defense measures: 1. Enter the windproof state, and the relevant departments start the defense work plan; 2. Close the doors and windows, residents and ships in dangerous areas and dangerous buildings take shelter from the wind, outdoor workers such as high altitude, beaches and water stop working, workers in dangerous areas evacuate in time, collective outdoor activities stop in time, and do a good job in evacuation; 3. Cut off neon signs and dangerous outdoor power supply; Other typhoon blue warning signals. (4) The meaning of typhoon red warning signal: it may be affected by typhoon within 6 hours, and the average wind power can reach more than 12; Or has been affected by the typhoon, the average wind power has reached more than 12, and may continue. Defense measures: 1. When entering the special emergency windproof state, the relevant departments shall start the defense work plan, and the relevant emergency rescue units shall be ready to start the emergency rescue plan at any time; 2. Close the doors and windows, residents and ships in dangerous areas and dangerous buildings take shelter from the wind, outdoor workers such as high altitude, beaches and water stop working, workers in dangerous areas evacuate in time, collective outdoor activities stop in time, and do a good job in evacuation; Other orange warning signals of the same typhoon. The rainstorm warning signal is divided into three levels, which are represented by yellow, orange and red respectively. (a) yellow rainstorm warning signal meaning: 6 hours of rainfall will reach more than 50 mm; Or it has reached more than 50 mm and the rainfall may continue. Defense measures: 1. The relevant departments shall start the defense work plan according to the situation; 2. The public should cover the items that are aired in the open air in time; 3. Drainage and flood control should be done in low-lying and waterlogged areas; 4. Drivers should pay attention to road water and traffic jams to ensure safety. (2) The meaning of rainstorm orange warning signal: within three hours, the rainfall will reach more than 50 mm, or it has reached more than 50 mm and the rainfall may continue. Defense Guide: 1, suspend outdoor work in open air, and stay indoors or in a safe place to avoid rain as much as possible; 2. Relevant emergency departments and rescue units should strengthen their duty, closely monitor the disaster situation, cut off dangerous outdoor power supply in low-lying areas, and implement countermeasures; 3. Traffic management departments should implement traffic guidance or control in areas with accumulated water; 4. Move dangerous areas and dangerous residents to safe places for shelter from the rain; Others use yellow rainstorm warning signals. (3) red warning signal meaning of rainstorm: the rainfall in three hours will reach 100 mm or above, or it has already reached 100 mm and the rainfall may continue. Guide to defense: 1. Personnel should stay in a safe place, and outdoor personnel should take refuge in a safe place immediately; 2. Relevant emergency departments and emergency rescue units are ready to start emergency rescue plans at any time; 3. Schools, kindergartens and other relevant units with students and employees should take special protective measures, and units in dangerous areas should suspend classes or suspend business and immediately move to safe places for temporary refuge; Other rainstorm orange warning signals. The high temperature warning signal is divided into two levels, orange, red ... What about the others > >