Sentence 1: When Peggy left for work this morning, she could feel rain in the air. 
 Sentence 3: Throughout the day, the weather got worse and worse 
 Sentence 4:  A tornado warning was issued for her neighborhood 
 Sentence 5:  After it was over, Peggy found her house and cat in one piece 
 Given Sentence 2: She let her cat up in the house in case it rained before she returned.