Source: Bureau of Meteorology

For people in parts of Mid North Coast, Hunter, Central Tablelands and North West Slopes and Plains Forecast Districts.

Issued at 9:25 pm Friday, 11 January 2019.

Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours. Locations which may be affected include Scone, Muswellbrook, Putty, Merriwa, Murrurundi and Quirindi.

Severe thunderstorms are no longer occurring in the Illawarra, Southern Tablelands, Central West Slopes and Plains, South West Slopes, Upper Western, Snowy Mountains and Australian Capital Territory districts and the warning for these districts is CANCELLED.

Goulburn Airport recorded 26mm in 30 minutes from 1:15 to 1:45pm.

Mt Gray (near Goulburn) recorded 38mm in 30 minutes from 1:25pm to 1:15pm.

Hail up to 4.5cm diameter was reported at Mt Victoria (Blue Mountains) about 1:50pm.

A gust of 107 km/h was recorded at Cobar Airport at 1:57pm.

A gust of 108 km/h was recorded at Cowra Airport at 4:14pm.

Hail of 4 cm diameter was reported at Yass in the early afternoon.

Hail up to golf ball size was reported at Holder and Duffy (in Canberra) around 3pm.

25mm of rain fell in 20 minutes at Weston Creek (Canberra) around 3pm.

The State Emergency Service advises that people should:
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.