Mistral (wind) of mistral is weaker in the east of Provence and the Côte d'Azur. The mistral is not always synonymous with clear skies. When a low pressure front over the Mediterranean approaches the coast from the southeast, the weather can change quickly for the worse, and the mistral and its clear sky changes rapidly to an east wind bringing humid air and threatening clouds. The position of the low-pressure front creates a flow of air from the northwest or the northeast, channeled through the Rhône Valley. If this low-pressure area moves back toward the southeast, the mistral will quickly clear the
USS Sirocco PC ships such as Sirocco complete a variety of mission sets that has expanded since the transfer of the ships and associated support structures in Naval Surface Warfare. As of 2009, PC ships deployed in Bahrain primarily conducted Maritime Security Operations in the Persian Gulf with a concentration towards anti-piracy. In 2009, "Sirocco" completed phase 1 of a modernization program to extend the useful lives of these hard working ships. Upgrades included new computer systems and satellite communications, as well as upgraded AC systems and a Rafeal Typhoon MK38 MOD II gun weapons system replacing the previously fitted MK96 mount.