About Darwin (Hector): A coast in Australia where a giant thunderstorm shows up almost every afternoon! 'Hector the Convector' forms over the Tiwi Islands nearly every afternoon in the wet season. Colliding sea breezes push warm air up into a towering storm cloud. Its reliability makes it one of the most-studied storms in the world. It is so punctual you can almost set your watch by it

Location: The Tiwi Islands, off Darwin in northern Australia · Country: Australia · Record: Home of 'Hector the Convector', one of the world's most reliable thunderstorms · Why So Stormy: Sea breezes crash together over the islands and shoot the air upward · Timing: Hector appears almost every afternoon around 3 p.m. from about September to March · Height: The storm cloud can tower about 20 km (66,000 ft) high · Notable Feature: Scientists study Hector because it is so dependable · World Rank: Home to one of the most consistent big thunderstorms on Earth