Abstract:Based on the meteorological data of more than thirty years, the distribution of wind speed and direction are analyzed when various routes typhoons influencing Shanghai. When a landing typhoon influencing Shanghai, wind speed of the southern area is the largest, dominant wind direction is bias E. While the influencing typhoon is offshore and moving north, wind speed of eastern area is the largest, NNE is the dominant wind direction. The development of the city makes wind speed clearly reduce during the period of typhoon influencing Shanghai.