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Australian Government Bureau of Meteorology
New South Wales
TOP PRIORITY FOR IMMEDIATE BROADCAST
DETAILED SEVERE THUNDERSTORM WARNING
for LARGE HAILSTONES, HEAVY RAINFALL and DAMAGING WIND
For people in parts of the
Blue Mountains/Hawkesbury and
Issued at 4:15 pm Saturday, 25 April 2015.
The Bureau of Meteorology warns that, at 4:10 pm, severe thunderstorms were detected on weather radar near Parramatta, Sydney Olympic Park, Bankstown, Fairfield, Horsley Park and Penrith. These thunderstorms are moving towards the east. They are forecast to affect Sydney City, Sydney Airport, the Sydney Harbour Bridge, Maroubra, Randwick and Ryde by 4:40 pm and Frenchs Forest, Gordon, Kurnell, Manly, Pennant Hills and waters off Bondi Beach by 5:10 pm.
Large hailstones, heavy rainfall that may lead to flash flooding and damaging winds are likely.
Hail reported at Blackheath around 1-2cm. Large accumulation reported on the ground.
30mm/30minutes has been reported at Prospect Resevoirat 4pm.
The State Emergency Service advises that people should:
* Move your car under cover or away from trees.
* Secure or put away loose items around your house, yard and balcony.
* Keep clear of fallen power lines.
* Keep clear of creeks and storm drains.
* Don't walk, ride your bike or drive through flood water.
* If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
* 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 5:15 pm.
A more general severe thunderstorm warning is also current for the Metropolitan, Illawarra, South Coast, Central Tablelands, Southern Tablelands, South West Slopes, Snowy Mountains, Australian Capital Territory and parts of the Hunter districts.
Warnings are also available through TV and Radio broadcasts, the Bureau's website at www.bom.gov.au or call 1300 659 218. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.