NSW Severe Thunderstorm Warning: Large Hail, Heavy Rain, Destructive Winds


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Source: Bureau of Meteorology

For people in parts of Northern Rivers, Mid North Coast and Northern Tablelands Forecast Districts.

Issued at 6:51 pm Saturday, 4 December 2021.

Severe thunderstorms are continuing through northeastern NSW.

Weather Situation:
Thunderstorms continue along a trough moving through northeastern NSW. A cold front moving up the coast may trigger more intense thunderstorms over the Mid North Coast this evening.

Severe thunderstorms are likely to produce damaging, locally destructive winds, large hailstones and heavy rainfall that may lead to flash flooding over the next several hours in parts of the Northern Rivers and Northern Tablelands districts. Locations which may be affected include Lismore, Murwillumbah, Byron Bay, Ballina, Casino and Kyogle.

Severe thunderstorms are likely to produce large hailstones and heavy rainfall that may lead to flash flooding over the next several hours in parts of the Mid North Coast district. Locations which may be affected include Port Macquarie, Kempsey, Wauchope, Laurieton, Comboyne and Yarrowitch.

Cape Byron recorded a 139km/h wind gust at 6:48pm.

Grafton recorded a 94km/h wind gust at 4:44pm.

Evans Head an 89km/h wind gust at 05:44pm.

Turners Flat (just north of Kempsey) recorded 103mm in three hours to 4pm.

Large hail reported at Talarm (southwest of Nambucca Heads) earlier this afternoon.

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 at least 8 metres away from fallen power lines or objects that may be energised, such as fences.
* 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.
* Trees that have been damaged by fire are likely to be more unstable and more likely to fall.
* 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.
* 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.
* Unplug computers and appliances.
* Avoid using the phone during the storm.
* Stay indoors away from windows, and keep children and pets indoors as well.
* Stay vigilant and monitor conditions. Note that the landscape may have changed following bushfires.
* For emergency help in floods and storms, ring the SES (NSW and ACT) on 132 500.


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