Damaging winds, heavy rainfall and potential flash flooding have been predicted in parts of the Illawarra, South Coast and the Southern Tablelands on March 2.
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The Bureau of Meteorology issued a weather warning this morning at 4.59am, which said between 80 to 120 millimetres of rain have been predicted in these areas every six hours.
There is also the possibility of thunderstorms with six-hourly rainfalls of up to 200 millimetres.
Winds with peak gusts over 90 kilometres per hour may develop over parts of the coastal fringe from today.
A deepening low off the central coast of NSW is expected to drift south-west towards the coast overnight, and increase due to an upper trough which will continue like this during the day.
The system is forecasted to approach central and southeastern districts today and overnight into Thursday, March 3,
A low-pressure system from NSW's Central Coast is expected to increase today and drift south-west towards the coast overnight and into Thursday, March 3.
It is unclear when and where this will occur.
Other areas included in the warning include Sydney, Campbelltown, Batemans Bay, Bega and Moruya Heads.
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A severe thunderstorm warning will be issued if very dangerous thunderstorms with intense rainfall are detected.
The State Emergency Service advises that people should:
- Move vehicles under cover or away from trees.
- Secure or put away loose items around your house, yard and balcony.
- Keep at least eight metres away from fallen power lines or objects that may be energised, such as fences.
- Trees that have been damaged by fire are likely to be more unstable and more likely to fall.
- Report fallen power lines to either Ausgrid (131 388), Endeavour Energy (131 003), Essential Energy (132 080) or Evoenergy (131 093) as shown on your power bill.
- Don't drive, ride or walk through flood water.
- Keep clear of creeks and storm drains.
- If you are trapped by flash flooding, seek refuge in the highest available place and ring 000 if you need rescue.
- Be aware that run-off from rainfall in fire affected areas may behave differently and be more rapid. It may also contain debris such as ash, soil, trees and rocks.
- After bushfires, heavy rain and the loss of foliage can make the ground soft and heavy, leading to a greater chance of landslides.
- Stay vigilant and monitor conditions. Note that the landscape may have changed following bushfires.
For emergency help in floods and storms, ring your local SES Unit on 132 500 and in life threatening situations, call 000.
More information about flood warnings across NSW can be found at www.bom.gov.au/nsw/warnings.
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