What are the consequences of a typhoon?

A typhoon will have the following consequences.

1. Gale: The maximum wind force near the center where tropical cyclones reach typhoon level is above 12, causing damage to trees and buildings. 2. Heavy rain: Typhoon is one of the weather systems that bring heavy rain. In areas where typhoons pass, rainfall of 150 ~ 300mm may be generated, and a few typhoons may directly or indirectly generate heavy rain of more than 1000mm, such as (indirectly) the rainstorm caused by the third tropical cyclone in southern Henan 1975. 3. Storm surge: Typhoon can increase water in coastal waters, and the maximum water increase in coastal areas of Jiangsu Province can reach 3 meters. Typhoon "9608" and "97 1 1" increased water, which made Jiangsu's coastal areas along the Yangtze River have a super-historical climax. 4. Typhoon often brings stormy weather when crossing the border, causing huge waves on the sea surface, which seriously threatens navigation safety. After the typhoon landed, the rising water in the rainstorm may destroy crops and various building facilities, causing great losses to people's lives and property. 5. Typhoon is a potential risk factor for diseases such as hypertension, cardiovascular diseases, respiratory diseases and infectious diseases. The collapse of houses, glass fragments, collision of floating objects and falling from high altitude caused by typhoon will all lead to various injuries, which has the characteristics of high disability rate and high mortality rate.

1. Typhoon is a huge energy pool, which produces strong winds and destroys infrastructure such as houses and communications. Its wind speed is above 17 m/s, even above 60 m/s ... According to the measurement, when the wind reaches 12, the wind pressure per square meter on the plane perpendicular to the wind direction can reach 230 kg. 2. The concentration of heavy rain caused sudden flood disasters, leading to agricultural production reduction. Typhoon is a very strong rainfall system. When a typhoon lands, the rainstorm center can drop by 100-300mm or even 500-800mm a day. The floods caused by typhoons and rainstorms are the most dangerous disasters. Typhoon rainstorm is strong, flood occurs frequently, spreads widely, and is fierce and destructive. 3. Storm surge formed in coastal areas, causing human and animal casualties. The so-called storm surge means that when the typhoon moves to the land, due to the typhoon's strong wind force and low air pressure, the sea water accumulates strongly in the direction of the coast, the tide level rises sharply, and water waves come to the coast. The storm surge of a strong typhoon can raise the coastal water level by 5-6 meters. Storm surge meets astronomical high tide level, resulting in high-frequency tide level, resulting in tidal overflow and seawall burst, destroying houses and various building facilities, flooding towns and farmland, and causing a large number of casualties and property losses. Storm surges can also cause coastal erosion, seawater intrusion and land salinization.