http://www.bom.gov.au/products/IDN65152.shtml
TOP PRIORITY FOR IMMEDIATE BROADCAST
SEVERE THUNDERSTORM WARNING - SYDNEY/NEWCASTLE/WOLLONGONG REGION
for LARGE HAILSTONES, DAMAGING WIND, VERY HEAVY RAINFALL and FLASH FLOODING
For people in parts of the
Sydney Metropolitan,
Maitland/Cessnock and
Blue Mountains/Hawkesbury areas.
Issued at 3:52 PM Friday, 29 December 2006.
At 3:50 PM , Bureau of Meteorology weather radar detected severe thunderstorms near the Putty Road south of Putty, the Putty Road north of Colo Heights and Penrith. These thunderstorms are moving towards the east. Severe thunderstorms are forecast to affect Richmond, Windsor and Riverstone by 4:20 PM and Horsley Park, Parramatta and Glenorie by 4:50 PM .
Large hailstones, damaging winds, very heavy rainfall and flash flooding are possible.
A more general severe thunderstorm warning is also current for the Illawarra, Hunter, Central Tablelands, Metropolitan, Southern Tablelands, the ACT and parts of the Mid North Coast and South West Slopes Forecast Districts.