LIVE: ‘Bomb cyclone' lashes the NSW coastline, evacuation orders issued
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ABC News
34 minutes ago
- ABC News
Pressure and peak winds of weather system off NSW coast equivalent to category 1 cyclone
The pressure and peak winds of a weather system bringing heavy rain and damaging wind gusts to coastal NSW are equivalent to a strong category 1 tropical cyclone. The wind impacts are not as great, though, as a tropical cyclone, because the system has not made landfall with the strongest winds remaining offshore but has still been strong enough to cause minor flooding, bring trees down and rip roofs from buildings. The low-pressure system has now reached peak intensity in terms of pressure and is no longer deepening, meaning it is no longer considered a bomb cyclone. When a low-pressure system transforms from non-existence to a formidable storm just a day later, meteorologists label it a "bomb cyclone", or a system that has experienced "bombogenesis". The expression "bomb" is due to the explosive speed of development. LIVE COVERAGE: Follow updates on the 'bomb cyclone' bringing wild weather to the NSW coast The main centre has now moved north-east, away from the Hunter coast; however, another node is about 250 kilometres east of Bass Strait and heading north/north-west towards the NSW coast — but again will not make landfall. This next pulse of strong winds will hit the South Coast on Wednesday afternoon, then sweep up to the Illawarra and Sydney later this afternoon and tonight. The NSW State Emergency Service has issued emergency-level warnings for coastal erosion north and south of Yet another pulse of gusty winds could then arrive overnight, depending on the movement of another centre, which has triggered the Bureau of Meteorology (BOM) to reissue a warning for the coastal fringe for damaging gusts until Thursday morning. Powerful winds spinning around the system are also leading to potentially damaging gusts on the northern ranges, the Queensland Darling Downs and pockets of the alpine regions. For Sydney, while only isolated showers are on the radar this afternoon, a brief burst of heavier showers is likely tonight, but below the intensity or longevity to cause flooding. West of Sydney, up to 180 millimetres of rain has fallen in the Warragamba catchment in the 24 hours to 9am, which is likely to cause a minor spill during the coming days. The rain and surf pattern is less complex. The ongoing gale-force winds in the Tasman Sea will continue to pound the coast with huge surf for another 24 hours before a gradual easing. Peak waves have hit around 12 metres this morning along the southern NSW coast and hit 10m off the Sydney coast late Tuesday. Similar heights are likely into early Thursday and pose a high risk of coastal erosion. Heavy rain has now eased to showers, which will continue across Gippsland and the southern and central NSW coast through Wednesday before easing further overnight.
ABC News
4 hours ago
- ABC News
NSW SES warns of further storm damage across the state
NSW SES Deputy Commissioner Debbie Platz APM provides a weather update as she warns the state is "not out of the woods yet" as heavy rainfall and damaging winds continue to batter the state.
ABC News
5 hours ago
- ABC News
South Coast NSW inundated with over 200mm of rain as storm peaks
Reporter Romy Gilbert gives an update from Berry on the South Coast of NSW, where the area was inundated with over 200 millimetres of rain.
