TIL Hector (aka "Hector the Convector") is a large cumulonimbus cloud that forms regularly every afternoon at the Tiwi Islands of Australia from March to September. It can be seen from the mainland.
lol I can't tell if this is a joke but if you're serious...
it's not the same cloud, it's just the same type of cloud that forms in the same place at a regular occurrence, so the locals named it. Seeing as how it forms at 3 pm I'd say it's a different cloud every time.