Breaking News: A dangerous storm cell has arrived in Sydney.

The epic storm rolled in around 6.30pm and has created havoc across the Sydney basin and metro area.

There’s a lot of lightning and hail in some areas. People are told to stay off the roads if they can and secure loose items.

From the local authorities:

ERY DANGEROUS STORM CELL – SYDNEY Severe Storm Warning – Destructive winds – Possibly Giant Hailstones Winds 106 km/h at Richmond Hail reported in Potts Point.

Severe thunderstorms are likely to produce damaging, locally destructive winds and large, possibly giant hailstones in the warning area over the next several hours. Locations which may be affected include Newcastle, Gosford, Sydney, Wollongong, Nowra, Mudgee, Bathurst, Katoomba and Dubbo.

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. 
* Trees that have been damaged by fire are likely to be more unstable and more likely to fall. 
* Unplug computers and appliances. 
* Avoid using the phone during the storm. 
* Stay indoors away from windows, and keep children and pets indoors as well. 
* Stay vigilant and monitor conditions. Note that the landscape may have changed following bushfires. 
* 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 9:55 pm.

If severe thunderstorms develop in Sydney Newcastle Wollongong or surrounding areas, a more detailed Severe Thunderstorm Warning will be issued to people in this area.

Warnings are also available through TV and Radio broadcasts, the Bureau’s website at www.bom.gov.au or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.