Source: Bureau of Meteorology
For people in parts of Sydney, Wollondilly/Wingecarribee and Greater Wollongong areas.
Issued at 6:07 pm Saturday, 23 October 2021.
Severe storm with possible GIANT HAIL and DESTRUCTIVE WINDS moving towards the coast
The Bureau of Meteorology warns that, at 6:10 pm, very dangerous thunderstorms were detected on the weather radar near Appin and Menangle. These thunderstorms are moving towards the east. Very dangerous thunderstorms are forecast to affect Sutherland, Campbelltown and Helensburgh by 6:40 pm and Bundeena, Kurnell and Maroubra by 7:10 pm.
Damaging, locally destructive winds and large, possibly giant hailstones are likely.
The State Emergency Service advises that people should:
* Move your car under cover or away from trees.
* Secure or put away loose items around your house, yard and balcony.
* Keep at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
* 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.