‘Prepare now': Millions in firing line as wild weather to smash NSW east coast
A 'bomb cyclone' or 'bombogenesis' is a low pressure system that forms quickly, causing pressure to drop significantly within a short period of time, the Bureau of Meteorology said on Monday.
A severe weather warning has been issued by BOM for the Sydney metro area, Mid North Coast, Northern Tablelands and part of the Northern Rivers, Hunter, Illawarra, South Coast, Central Tablelands, North West Slopes and Plains forecast districts.
Across the Hunter, Mid North Coast, and southern and central coastal fringes, wind speeds are expected to surpass 70km/h, though damaging gusts could reach up to 110km/h on Tuesday morning before easing in the afternoon, according to a BOM warning issued at 5am.
'Locally destructive wind gusts with peak gusts in excess of 125 km/h are also possible this afternoon for exposed Sydney metro and northern Illawarra coastal areas between about Bondi and Wollongong,' the bureau said.
The low pressure system is also expected to bring significant rain.
Isolated heavy rainfall for the southern and coastal fringe – including Sydney – is forecast to reach six-hour totals between 70mm and 90mm. Isolated totals could reach 120mm.
Minor flood warnings are in place for catchments along the Mid North Coast, encompassing the Wallis Lake, Myall, Lower Hunter, Upper Napean, Hawkesbury, Lower Napean, Upper Coxs, Colo, Macdonald, Northern Sydney, Southern Sydney, Parramatta, Cooks, Georges, Worona and Snow Rivers.
This also included the Wollombi Brook, St Georges Basin and the Illawarra Coast.
The NSW SES said there was a chance of damaging and destructive winds, warning residents in Sydney, Taree, Newcastle, Gosford, Wollongong and Port Macquarie to 'prepare now'.
NSW SES Deputy Commissioner Debbie Platz has warned the community that it is 'really critical' that they clean their gutters, and tie down or move any loose items such as trampolines or outdoor furniture that can be blown around.
'Tie them down or move them to a secure location,' she said on Monday.
'Can you also please move any vehicle that you have away from any large trees.
'As we have mentioned, we have been monitoring this system since Thursday of last week and so our state emergency services, including our partner agency, are all very well prepared and planned for this event.'
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