The results showed that the shipwrecks were closely related to the activity of the cold air.When a combination vessel was locked in the accident,then it may be in danger of the windstorm.

• 结果表明:海难事故与冷空气活动密切相关,客滚船遇险后遇到最大风力7级、极大风力大于等于9级时海上救援很困难;