ABC Online | BOM issues severe thunderstorm warnings for parts of NSW and Sydney ABC Online Large hailstones have pelted parts of the Blue Mountains, as thunderstorms and damaging winds are expected to lash New South Wales. The Bureau of Meteorology (BOM) issued severe thunderstorm warnings for several forecast areas in NSW, with large ... Thunderstorm warning issued for Sydney's west and large band of eastern NSW A severe thunderstorm warning has been issued for parts of NSW |