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Flash flooding hits Sydney as tornadoes are confirmed in NSW

Sydney's morning commute turned into a logistical nightmare as flash flooding swamped city streets while regional NSW faced the rare fury of confirmed tornadoes.

By Sam Okafor·11 September 2025· 2 min read
Flash flooding hits Sydney as tornadoes are confirmed in NSW

Flash flooding hits Sydney as tornadoes are confirmed in NSW

Sydney woke up to a watery mess this morning as a wild weather system tore through the basin, turning suburban streets into rivers and causing chaos for the early commute. While the city dodged the worst of the wind, regional New South Wales wasn't so lucky, with official confirmation that at least two tornadoes touched down across the state. It’s the kind of weather that makes you question why we don't all own kayaks as a secondary form of transport.

In the metropolitan area, the North Shore and the Inner West bore the brunt of the flash flooding. Commuters at stations like Lewisham and Stanmore found themselves navigating ankle-deep puddles just to get to the platform, while the Parramatta River saw levels rise alarmingly fast. The State Emergency Service (SES) has been kept busy responding to hundreds of calls for assistance, mostly involving leaking roofs and cars stranded in rising waters. It’s a stark reminder that 'road closed' signs aren't just suggestions.

The real story, however, lies beyond the Blue Mountains. Bureau of Meteorology experts have verified that the intense atmospheric instability birthed at least two tornadoes in regional areas. These aren't just high-velocity gusts; we’re talking about rotating columns of air capable of stripping roofs and flattening sheds. While Australians often think of tornadoes as a Midwest American phenomenon, today's events prove that our local storm cells can pack a surprisingly destructive punch when the conditions align.

Back in the city, the transport network struggled to keep pace with the deluge. Light rail services were interrupted, and several major intersections in the CBD became impassable as drainage systems failed to cope with the sheer volume of water. For those lucky enough to be working from home, it was a day for the heater and the kettle; for everyone else, it was a battle against broken umbrellas and the inevitable 'splash zone' created by passing buses on Cleveland Street.

The psychological toll of these recurring weather events is becoming palpable across Sydney suburbs. From Maroubra to Mona Vale, residents are becoming all too familiar with the routine of sandbagging and checking the radar every ten minutes. The frequency of these high-intensity bursts is forcing a conversation about suburban infrastructure and whether our Victorian-era drainage systems are actually fit for a 21st-century climate that seems increasingly prone to these dramatic outbursts.

As the system begins to track further east and out to sea, the focus shifts from survival to the massive clean-up ahead. Residents are being urged to stay clear of floodwaters which often hide debris and displaced wildlife. With more unsettled weather predicted for the weekend, Sydneysiders are looking at the sky with a mix of exhaustion and wariness. Keep your gumboots by the door—it looks like the wet season isn't finished with us just yet.

"Sydney's drainage systems are fighting a losing battle against a climate that no longer plays by the rules."

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