NSW flooding: SES hit with 447 calls for help amid rain deluge, Warragamba Dam begins spilling

Flood warnings have been issued for several parts of the NSW east coast as the state continues to be hit by heavy rain.

Wild weather battered the state on Thursday night, with heavy rain, thunder and lightning pummeling Sydney.

A five-in-one lightning strike struck the city at 8pm, with two bolts appearing to strike the Harbor Bridge.

The NSW State Emergency Service (SES) was hit with 447 calls for help, including almost 50 flood rescues in the 24 hours to 5am.

WaterNSW also confirmed that Warragamba Dam began leaking from 4.20am on Friday.

Areas of the NSW South Coast could be affected by isolated falls of up to 130mm.

Between 9am Thursday and 5am Friday Cringila was hit by 206mm, Port Kembla was hit by 197mm and 146mm flooding in Wollongong.

Between 8am Thursday and 1am Friday, Wollongong’s NSW SES unit responded to 27 rescues and a further 110 incidents.

A weakening will continue to bring rain to the Illawarra and south coast regions throughout Friday, before conditions are expected to improve into the evening.

Mild to moderate flood warnings are also in place for Menangle Bridge, Penrith, North Richmond and Windsor, while authorities nervously monitor the Hawkesbury and Nepean rivers.

The Bureau of Meteorology reports the Hawkesbury Nepean Valley was hit by a total of 147 hits in the 24 hours to 5am on Friday, with more heavy rain on the way.

Homes in Menangle, in the Macarthur region of NSW, are under a “watch and act” warning, with flooding on the Menangle Bridge forecast to reach 9.2 million on Friday morning and 10 million by midday.

Low-lying homes in the Picton CBD and Stone Quarry Creek have also been told to prepare to evacuate.

The NSW SES advises people to carefully monitor the ever-changing situation and avoid flooding.

Parts of Penrith in Sydney’s west could also be hit by minor flooding from midday, with the Nepean River expected to reach 3.9 metres.

https://x.com/BOM_NSW/status/1798553352319402369

Since 9am on Thursday, Sydney’s Observatory Hill has recorded 56.2mm of rain.

Minor flooding may also occur on the Cooks River at the Tempe Bridge in the city’s south, with high tide expected Friday evening.

The nearby suburb of Windsor and its surrounds could be affected by rising water levels from Friday evening, with the Hawkesbury River forecast to reach minor flood levels (5.8m) on Friday night and moderate flood levels of 7 m by Saturday morning.

Motorists in Sydney’s southern suburbs have also been warned. The Bureau warned that flooded roads and reduced visibility will lead to dangerous driving conditions and urged motorists to take “extreme caution” ahead of the long weekend.

However, a better forecast is expected for the rain to disappear from Saturday and Sunday.

Read related topics:SydneyWeather

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