1986 Atlantic hurricane season
The strongest storm of the season began as a tropical wave off Africa on September 4. After moving across the tropical Atlantic Ocean it strengthened as Tropical Depression Five on September 10 while about 1240 miles (2000 km) east of Puerto Rico. The depression quickly strengthened and reached hurricane strength on September 11; Earl reached its strongest point on September 12, as a Category 2 hurricane as it travelled in a half circle.