Two major reasons are cited for the unexpected weather changes. A hot and humid North Pacific anticyclone collided with cold air from China and that made air above Korean peninsular unstable, causing the fickle weather, the KMA said. Experts also pointed to an abnormal cloud belt that formed in the air above the Korean Peninsula.
|Satellite picture of sky in East Asia by Japanese weather satellite NTSAT. The ordinary east-west cloud belt is seen in the picture taken on Aug. 27, while clouds are stretched north-south in the picture on Aug. 14.