DETAILED SEVERE THUNDERSTORM WARNING
for LARGE HAILSTONES and FLASH FLOODING
For people in parts of the
Sydney Metropolitan and
Blue Mountains/Hawkesbury areas.
Issued at 7:03 pm Wednesday, 25 March 2009.
The Bureau of Meteorology warns that, at 7:00 pm, severe thunderstorms were detected on weather radar near Richmond, Wilberforce, Bringelly and Mulgoa.
These thunderstorms are moving towards the northeast to southeast.
They are forecast to affect Badgerys Creek, Leppington and Oran Park by 7:30 pm and Campbelltown, Hoxton Park, Macquarie Fields, Maroota, Minto and Wisemans Ferry by 8:00 pm.
Large hailstones, very heavy rainfall and flash flooding are likely.
The State Emergency Service advises that people should:
* Move your car under cover.
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.
The next warning is due to be issued by 8:05 pm.