Source: Bureau of Meteorology

For people in parts of Outer East and South East Local Warning Areas.

Issued at 6:28 am Monday, 11 December 2023.

Heavy rain from slow moving thunderstorms in Melbourne's southeast.

The Bureau of Meteorology warns that, at 6:25 am, severe thunderstorms were detected on the weather radar near the area north of Pakenham and the area northeast of Pakenham.

These thunderstorms are slow moving.

They are forecast to affect Beaconsfield, Pakenham and the area east of Pakenham by 6:55 am.

Heavy rainfall that may lead to flash flooding is likely.

The State Emergency Service advises that people should:
* 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.
* Be aware - heat, fire or recent storms may make trees unstable and more likely to fall when it's windy or wet.
* Check that loose items, such as outdoor settings, umbrellas and trampolines are safely secured. 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.
* 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 website/app/hotline.