When the storm hits, and Tea Cake and Janie are still in their cabin, an animal, terrified by the storm enters the cabin and waits there. What kind of animal?

The answer is

The sentence needs a descriptor of exactly "what" will happen at gurley and marina. in this case, it is the light at the intersection turning green. in this case, the sentence could be rewritten as "the light at the intersection of gurley and montezuma will turn green exactly three seconds after the light at the intersection of gurley and marina."