Given the task definition and input, reply with output. In this task, you're given a sentence and your task is to generate a simplified sentence that focuses on lexical paraphrasing from the original sentence given in the input.

one half continued to race northward , affecting the central united states along its path , and was last distinguishable in the eastern great lakes region on august 31.
one half kept racing to the north , affecting the central united states along its path , and was last visible in the eastern great lakes region on august 31.