Original: The second tropical cyclone , second hurricane , and second intense hurricane of the season marked the most intense Atlantic hurricane of the United States ; and it was the first of three Category 5 hurricanes the United States endured during the 20th century .
Simplified: The second tropical cyclone , second hurricane , and second intense hurricane of the season was the most intense Atlantic hurricane that affected the United States , and it remains the first of three Category 5 hurricanes that struck the country .