Source: Bureau of Meteorology

For people in parts of Port Phillip waters and Geelong and Bellarine Peninsula Local Warning Areas.

Issued at 1:19 pm Wednesday, 15 January 2020.

Unstable conditions leading to the development of thunderstorms across central Victoria this afternoon.

The Bureau of Meteorology warns that, at 1:15 pm, severe thunderstorms were detected on the weather radar near the area south of Werribee, the area west of Werribee and eastern parts of the Bellarine Peninsula. These thunderstorms are moving towards the southeast. They are forecast to affect southern Port Phillip Bay, St Leonards and waters off St Leonards by 1:45 pm and Mt Martha, northern Port Phillip Bay and southern parts of Port Phillip Bay by 2:15 pm.

Heavy rainfall that may lead to flash flooding and large hailstones are likely.

The State Emergency Service advises that people should:
* Check that loose items such as outdoor settings, umbrellas and trampolines are safely secured and move vehicles under cover or away from trees.
* Stay indoors and away from windows.
* If outdoors, move to a safe place indoors. Stay away from trees, drains, gutters, creeks and waterways.
* If driving conditions are dangerous, safely pull over away from trees, drains, low-lying areas and floodwater. Avoid travel if possible.
* Stay safe by avoiding dangerous hazards, such as floodwater, mud, debris, damaged roads and fallen trees.
* Stay away from fallen powerlines always assume they are live.
* Stay informed monitor weather warnings, forecasts and river levels at the Bureau of Meteorology website, and warnings through VicEmergency.