Dangerous thunderstorms are developing across parts of NSW this Wednesday afternoon, with more expected to form as the state grapples with heat and humidity.
A supercell storm forecasted to bring “giant” hail and a barrage of rain is sweeping through parts of NSW - with potentially dangerous conditions hitting Sydney and its surrounds.
Those in north-east NSW are again being warned to brace for impacts as "possible supercells" and severe thunderstorms move across the area on Thursday afternoon and evening.