According to BOM synoptic. Most of Australia is within a low pressure zone with a number of embedded lows scattered.
West Victoria has an embedded low currently generating max’ diurnal thunderstorms.

http://www.bom.gov.au/au...ptic_col_satellite.shtml

They are moving from the west of the state toward the south. A NE feeding into one side of trough line and SW into the other side.
This event is expected to last 3 days so l expect the trough line is stalling.
Extensive storm lines in the west Vic currently at 3pm

I reckon we should hear our first rumbles of thunder within the hour.
Radar showing front line only 70 km away from our location.
The NE ly has just started to crank