I’ve never seen an orange disc before on a weather map. Usually they’re white and not solid like this one is, but ring or spoked. Melbourne on the Right; Adelaide on the Left.
You’ve got about two hours to see it at the source, else here is a capture of it.
For the others, Mount Gambier in South Australia is an extinct volcano.. With the approach of the Nibiru, there is no guarantee that it will stay that way.