‘Whether the red rainstorm warning signal needs to be issued depends on the development of the areas of thundery showers,’ forecaster says.

Observatory earlier warned of flash flood risk, with wet weather expected to continue into Monday.

Heavy showers trigger amber warning as Observatory warns of flash flood risk, with wet weather expected to continue into Monday.

Showers expected to be particularly heavy until Tuesday, raising risk of flooding in some districts, forecaster says.

‘Whether the red rainstorm warning signal needs to be issued depends on the development of the areas of thundery showers,’ forecaster says.

Forecaster predicts heavy rain across the city on Tuesday evening, with unsettled weather expected to continue over the next few days.

Warning issued at 12.55pm, with weather forecaster cautioning of flooding risks across several districts.