Breaking News: Sydney weather alert

A series of super cells are moving across Sydney. Hail is being reported in some areas.

Video: storm hits Sydney

Image: Huge storm cells moving across Greater Sydney area

Move your car under cover if safe to do so.

Sydney Weather : thunderstorm alert

The Bureau of Meteorology warns that, at 6:10 pm, severe thunderstorms were detected on the weather radar near Hornsby, Parramatta, Sutherland, Wollongong, Sydney Airport, Sydney Olympic Park, Richmond, Kiama, Liverpool and Picton.

These thunderstorms are moving towards the east.

They are forecast to affect Sydney City, the Sydney Harbour Bridge, Camden, Oran Park, Terrey Hills and waters off Bondi Beach by 6:40 pm and Katoomba, Campbelltown, Leppington, Mona Vale, Warragamba and Helensburgh by 7:10 pm.

Heavy rainfall that may lead to flash flooding, damaging winds and large 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 on 131 388, or Endeavour Energy on 131 003 or Essential Energy on 132 080, as shown on your power bill. 
* 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. 

The next warning is due to be issued by 7:15 pm.

A more general severe thunderstorm warning is also current for the Metropolitan, Illawarra, Central Tablelands and parts of the Hunter and Central West Slopes and Plains districts.

Warnings are also available through TV and Radio broadcasts, the Bureau’s website at or call 1300 659 218. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.