The Bureau of Meteorology is warning of severe thunderstorms, damaging winds, large hailstones and heavy rainfall that may lead to flash flooding in Sydney's West, South and South West.
A more general severe thunderstorm warning is also current for the Mid North Coast, Hunter, Metropolitan, Illawarra, Central Tablelands and parts of the Northern Rivers, Southern Tablelands, North West Slopes and Plains, Central West Slopes and Plains and Northern Tablelands districts.
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.
Update: There've been some impressive lightning strikes around the Sydney CBD, including this one captured by 7 News:
— 7 News Sydney (@7NewsSydney) February 17, 2017
Have you captured any great pictures or videos of the storm? Show us in the comments!