An analysis on relationship between the shipwreck of combination vessels and the gale accident in the Bohai Straits

Based on six shipwrecks happening in the Bohai Straits from 1999 to 2005,three wind power conditions leading to shipwrecks were analyzed in terms of on the observation data from Changdao meteorological station.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.When wind power exceeded 9 levels,the rescue became more difficult.Most of shipwrecks may happen in the Bohai Straits from October to next May,while shipwrecks happened in all probability from October to November.