There is no single Australian emergency data feed. Each state runs its own system. Some use GeoJSON, some use GeoRSS, some use ArcGIS REST, some use RSS with custom XML, and some use CAP-AU (Common Alerting Protocol, Australian Profile). Field names differ. Coordinate systems differ. Some return epoch timestamps in local time, some in UTC.
If you want national coverage, you need to write and maintain parsers for every single feed. When a state changes their API (which happens without notice), your parser breaks. This is weeks of integration work before you can build anything useful on top of it.
This guide documents every feed so you can make an informed decision about whether to build the integration yourself or use a unified API like EmergencyAPI.