Complex sentence: For example: the Aleutian Low is a persistent low pressure system over the Gulf of Alaska, if this system is relatively strong during a winter there will be an increase in northward transport of waters along the Alaskan current from negative wind stress.
Split into simpler sentences: For example: the Aleutian Low is a persistent low pressure system over the Gulf of Alaska. If this system is relatively strong during winter, there will be an increase in northward transport of waters along the Alaskan current from negative wind stress.