Hurricane Ivan Track and Intensity September 2-19, 2004

This visual shows the position of the eye of Hurricane Ivan, as well as, the intensity of the storm. The intensity of the storm is depicted through color. Purple is the weakest classification, Tropical Depression, where winds are less then 39 miles per hour. Blue represents a Tropical Storm with winds between 39 and 73 miles per hour. Blue-Green shows a Class 1 Hurricane with winds between 74 and 95 miles per hour. Green displays a Class 2 Hurricane with winds between 96 and 110 miles per hour. Yellow is a Class 3 Hurricane where winds are sustained between 111 and 130 miles per hour. Orange is a Class 4 Hurricane with winds between 131 and 154 miles per hour. Red is the most deadly classification where winds are greater then 155 miles per hour.

This picture shows the position of the eye of Hurricane Ivan, as well as, the intensity of the storm. The intensity of the storm is depicted through color. See color bar for a detailed description of the values.

Color bar (legend) for this animation. Tropical depression storms (purple) have sustained winds less then 39 miles per hour. Blue represents a tropical storm with winds between 39 and 73 miles per hour. Blue-green shows a class 1 hurricane with winds between 74 and 95 miles per hour and a storm surge of 4 to 5 feet. Green displays a class 2 hurricane with winds between 96 and 110 miles per hour and has a storm surge of 6 to 8 feet. Yellow is a class 3 hurricane where winds are sustained between 111 and 130 miles per hour and a storm surge of 9 to 12 feet. Orange is a class 4 hurricane with winds between 131 and 154 miles per hour and a storm surge of 13 to 18 feet. Red is the most deadly classification where winds are greater then 155 miles per hour and the storm surge is greater then 18 feet above normal.