Oquolloquox

The Oquolloquox was a violent storm that occurred on Skaro once every six years. One Oquolloquox struck Dalek Zeg's laboratory, causing an accident that irradiated and strengthened his casing. (COMIC: Duel of the Daleks)

Behind the scenes
The Oquolloquox first was mentioned in The Dalek Dictionary, a non-narrative feature from The Dalek Book.