LATEST @ 3.00 PM AEST | A severe thunderstorm warning has now been issued for people in northern NSW.
The Bureau of Meteorology said the severe thunderstorms are likely to produce damaging winds, large hailstones and heavy rainfall that may lead to flash flooding in the warning area over the next several hours.
Locations which may be affected include Lismore, Grafton, Coffs Harbour, Woolgoolga, Sawtell and Dorrigo.
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A severe weather warning for damaging winds also remains in place for Newcastle, Sydney, Forster, Seal Rocks, Bulahdelah, Wallsend, Toronto, Wyong, The Entrance and Woy Woy.
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.
* 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.
* Be aware that run-off from rainfall in fire affected areas may behave differently and be more rapid. It may also contain debris such as ash, soil, trees and rocks.
* After bushfires, heavy rain and the loss of foliage can make the ground soft and heavy, leading to a greater chance of landslides.
* 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.
EARLIER @ 12.00 PM AEST: A severe weather warning for damaging winds has been issued for parts of NSW, including Sydney, this afternoon.
The Bureau of Meteorology said a surge of strong southerly winds are forecast to build on Thursday as a low pressure system deepens off the NSW coastline.
“This low is forecast to quickly move into the Tasman Sea with conditions easing by Friday,” BOM said.
Damaging winds averaging 60 to 70 km/h with peak gusts in excess of 90 km/h are possible about parts of the coastline from late Thursday afternoon.
Winds are expected to ease below warning thresholds early Friday morning as the low pressure system moves further offshore.
Locations which may be affected include Newcastle, Sydney, Forster, Seal Rocks, Bulahdelah, Wallsend, Toronto, Wyong, The Entrance and Woy Woy.