Complex sentence: It entered the Bering Sea on September 8, and after turning eastward crossed the Aleutian Islands and entered the Gulf of Alaska; the extratropical remnants of Ioke dissipated near southeastern Alaska on September 12.
Split into simpler sentences: It entered the Bering Sea on September 8, and after turning eastward crossed the Aleutian Islands and entered the Gulf of Alaska. The extratropical remnants of Ioke dissipated near southeastern Alaska on September 12.