along the rh ? ne valley, occasional strong , cold , dry , north - to - northwesterly wind known as the mistral .
罗讷山谷沿线偶尔会出现从北部吹响西北的干冷的强风。
during the region's summer months, sand and dust storms are regularly spurred by the shamal, a northwesterly wind that whips the region as air migrates toward a low-pressure center over pakistan.