Based on the observations of the 10-minute mean wind speed during 2005 to 2014 and the hourly extreme wind speed during 2009 to 2014 in 2373 national meteorological stations, and with consideration of the grades of wind effects on the expressway transportation in the meteorological standard (QX/T111-2010), the frequency and the intensity of the disaster-inducing gale are selected as the evaluation indexes, and the hazard of the disaster-inducing factors is evaluated with the entropy weight method. The nationwide distribution of the disaster-inducing gale hazard for the expressway transportation is obtained, which illustrates that the highest risk areas are mainly located in the west-central Inner Mongolia, the north and west Tibetan plateau, and Alashan Passes, Daban City, Sanshili and Baili Wind areas of Xinjiang. The second high risk areas are mainly distributed in the middle and west Inner Mongolia, the western Gansu, the western and southern Qinghai, the east and north-central Xinjiang, the northwest of Northern Xinjiang and the coastal areas of the northeastern Shandong Peninsula, the southeastern Fujian, the southwestern Hainan. The disaster-inducing gale hazard is relatively low in other regions.

expressway transportation  /  wind speed  /  disaster-inducing gale rating