Complex sentence: Over the next couple of days the system moved westward within an area of low to moderate vertical wind shear before as it passed over the Malay Peninsula, it moved out of the Western Pacific Basin on October 6.
Split into simpler sentences: Over the next couple of days the system moved westward within an area of low to moderate vertical wind shear. As it passed over the Malay Peninsula, it moved out of the Western Pacific Basin on October 6.