Weather News

Severe weather Wednesday in central NSW, including Sydney and Wollongong

Ben Domensino, Tuesday November 27, 2018 - 10:34 AEDT


Flooding rain and damaging winds are likely to affect parts of central NSW on Wednesday, with parts of Sydney and Wollongong likely to be affected.


A low pressure system moving across northern NSW on Tuesday will rapidly deepen as it approaches and moves over the state's central coast on Wednesday.


While the deepening low and an associate cold front will cause showers and thunderstorms across a large swathe of NSW during the next 48 hours, the heaviest rain and strongest winds will target the state's central coast and adjacent ranges.


A severe weather warning has been issued for Damaging Winds and Heavy Rain in the Sydney and Illawarra Districts, including the adjacent ranges, and coastal areas up to Seal Rocks. This warning area includes Sydney, Newcastle, Wollongong and the Blue Mountains.


A flood watch is also in place on Tuesday morning for coastal rivers between the Central Coast and Illawarra Coast, where riverine flooding is possible from Wednesday.


The latest forecast models on Tuesday morning suggested that the heaviest rain would occur over the Illawarra and southern parts of Sydney on Wednesday, where 50-100mm is likely and 100-200mm is possible. Wind gusts could exceed 90km/h over the Illawarra, Sydney and coastal Hunter districts, with the strongest winds likely to occur near the coast.


At this stage, some of the strongest wind and heaviest rain in Sydney and Wollongong will occur on Wednesday afternoon and evening. This timing is likely to have a significant impact on transport networks and peak hour commuting.


The low pressure system will move out to the Tasman Sea fairly quickly on Thursday, allowing wind and rain to ease in its wake. However, large and powerful waves will linger along parts of the NSW coast for another 24 hours, before easing on Friday.


These transient low pressure systems are dynamic weather events, with forecast and warning information often changing in a short space of time. Be sure to keep up to date with the latest information during the next two days.


Visit http://www.weatherzone.com.au/warnings.jsp for the latest warnings.


- Weatherzone

© Weatherzone 2018

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