Typhoon Tip was the largest tropical cyclone on record , with a diameter of 1,380 mi ( 2,220 km ) - almost double the previous record of 700 mi ( 1,130 km ) set by Typhoon Marge in August 1951 .
Typhoon Tip was the largest tropical cyclone on record , with a diameter of 1,380 mi ( 2,220 km ) .