A SEVERE weather warning has been released for parts of northern New South Wales, including Coffs Harbour, Port Macquarie, Taree, Kempsey and Newcastle.
The Bureau of Meteorology believed localised heavy rain could lead to flash flooding in these areas.
A slow-moving low pressure trough off the NSW coast and an upper cold pool are expected to bring rain and flash flooding to the northern half of the coast on Tuesday.
Rain and thunderstorms are forecast to persist over the Northern Rivers, Mid North Coast and Hunter forecast districts.
Since 9am Monday, 76mm fell at Tiona near Forster, 64 mm at Seven Oaks near Kempsey and 54 mm at Yamba.
Flood Warnings remains current for several rivers in NSW.
Visit www.bom.gov.au/nsw/warnings for current flood information.
The State Emergency Service advises:
- Don't drive, ride or walk through flood water.
- Keep clear of creeks and storm drains.
- If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
- For emergency help in floods and storms, ring your local SES Unit on 132 500.