气象灾害防护常识(台风龙卷风雷电)（Common knowledge of meteorological disaster (typhoon, tornado, lightning)）.docVIP

气象灾害防护常识(台风龙卷风雷电)（Common knowledge of meteorological disaster (typhoon, tornado, lightning)） Common knowledge of meteorological disaster protection Typhoon The typhoon we usually speak of is a tropical cyclone. The tropical cyclone is rapidly rotating low pressure vortex in tropical or sub tropical oceans, often accompanied by strong winds, heavy rain and storm surge. The World Meteorological Organization in accordance with the tropical cyclone near the center of the largest wind average size is divided into 4 grades: 6 - 7 level wind called tropical depression, the 8 - level 9 is called tropical storm, 10 - 11 class called strong tropical storm, 12 and 12 above the level of the typhoon is the. The maximum wind speed near the center of typhoon is more than 32.6 meters per second. Typhoon prevention: typhoons violent wind and storm, storm surge and so on, have strong destructive power, and seriously threaten the life and property safety of the people in coastal areas. Therefore, when typhoon comes, we must improve our awareness of prevention, avoid personal injury, and reduce property losses. Specific measures are: 1, urban residents preventive measures (1) according to the meteorological effects of typhoon may arise, in the forecast, news, alert and emergency alarm three forms issued to the society; at the same time, according to the influence degree of the typhoon may cause the light to heavy release of blue, yellow and orange and red typhoon warning signal to the society. The public should pay close attention to media reports about typhoons and take preventive measures in a timely manner. (2) before the typhoon comes, we should prepare flashlights, radios, food, drinking water and common medicines, so as to be urgently needed. (3) close the doors and windows, check whether the doors and windows are firm; remove the hanging things; check the circuit, fire, gas and other facilities are safe. (4) animals and plants also in outdoor and other goods to the interior, par