Hail has hit Woonona and issued a severe thunderstorm warning from the Bureau of Meteorology.
While heavy hail hit parts of the northern suburbs shortly after noon.
FORMER: The Bureau of Meteorology has issued a warning of heavy thunderstorms warning of devastating winds and giant hail in the coming hours.
The weather will hit parts of the forecast districts of Illawarra, Hunter, Metropolitan and Central Tablelands.
Places that may be affected include Bowral, Gosford, Cessnock, Maitland, Penrith and Katoomba.
If severe thunderstorms develop in Wollongong, Sydney, Newcastle or surrounding areas, a more detailed warning of severe thunderstorms will be issued.
A trough moving north along the coast leads to the development of thunderstorms in the inland areas from the coast.
The State Emergency Management Agency advises people to:
Move your car under a roof or away from trees; secure or lay loose objects away around your house, patio and balcony; keep at least eight meters from fallen power lines; report fallen power lines to either Ausgrid (131,388), Endeavor Energy (131,003), Essential Energy (132,080) or Evoenergy (131,093); disconnect computers and appliances; stay indoors away from windows, and also keep children and pets indoors.
Call SES (NSW and ACT) on 132 500 for emergency relief in floods and storms.
The next warning must be issued before 19.15.
Sign up for the latest news emails below …