What is a hurricane?

The Atlantic Ocean, the Gulf of Mexico, the Caribbean Sea and the eastern North Pacific Ocean are called "hurricanes";

■ Supplement: Both typhoons and hurricanes are strong air vortices over tropical oceans, and they have different names because of their different regions. Strong tropical cyclones appearing in the northwest Pacific Ocean and the South China Sea are called "typhoons". The Atlantic Ocean, the Gulf of Mexico, the Caribbean Sea and the eastern North Pacific Ocean are called "hurricanes"; In the Indian Ocean and the Bay of Bengal, it is called "tropical storm"; In Australia, it is called "Power O Power". According to the regulations of China Meteorological Bureau, what people used to call a typhoon is now called a tropical cyclone. There are about 80 tropical storms (including typhoons and hurricanes) around the world every year, of which about 76% occur in the northern hemisphere. China's coastal areas, Central America and the Caribbean are often hit by typhoons and hurricanes. Typhoon is the most serious disastrous weather system. It often brings storms, and the invasion of tidal waves causes large-scale floods and serious natural disasters, such as storm surges, tsunamis, landslides, mudslides and landslides in some areas. Every year, the global economic losses caused by typhoon disasters are 6-7 billion US dollars, and about 20,000 people die.