What caused heavy delays in Weatherzone, council storm alert app?

By Amy Mitchell-Whittington
Updated December 5 2016 - 3:13pm, first published 2:49pm
Heavy storm clouds moved over Brisbane on Saturday.  Photo: Twitter @JamesFewtrell
Heavy storm clouds moved over Brisbane on Saturday. Photo: Twitter @JamesFewtrell

A technical issue that failed to notify thousands of Brisbane residents prior to Saturday's destructive storm is expected to be identified by the end of the day, Weatherzone's head of development says.