What are the situations that Shanghai is affected by typhoons?

Typhoon "Mai Sha" in 2005 had the most serious impact on Shanghai in recent ten years.

The maximum wind force in urban area is 8- 10, in the Yangtze River estuary and coastal areas. The maximum wind power reaches 10- 12, and the maximum wind power of Donghai Bridge and Yangshan Port is above 12. Heavy rain and heavy rain are common in the city. The total rainfall in most areas is between 100-250 mm, with Putuo District and Jing 'an District reaching 309 mm and 306 mm respectively.

In 2006, Typhoon PearlNo. 1 landed in the coastal area from Raoping to Chenghai, Guangdong at 2 am on May 18. After landing, it quickly weakened into a tropical storm, but the influence of the "Pearl" periphery on the wind and rain in Shanghai increased. On May 18, heavy rain fell in Shanghai, which became the earliest typhoon that affected Shanghai in more than 80 years.

From 1954 to 2004, a total of 74 typhoons affected Shanghai, which first appeared in May and finally appeared in 10, with an average of 1.4 times a year. The measured maximum wind speed is 31.7m/s (11,1typhoon No.9 in 982), and the maximum precipitation during the typhoon process is 431.8mm (1typhoon No.963+02).

Wind and rain impact reached the standard of typhoon impact weather for 20 times, wind impact reached the standard for 66 times and rainfall impact reached the standard for 35 times. The average duration of typhoons affecting Shanghai is 2-3 days, with the longest being 5 days and the shortest being 1 day.