How three weather systems are crashing together to hammer NSW with flooding rain
by Graham Readfearn from on (#5FMCY)
A tropical low is colliding with a coastal trough - kept in place by a band of high pressure
Three weather systems are crashing together to deliver extreme and relentless rainfall causing flooding across New South Wales, with intense rainfall likely to continue until late on Tuesday.
Some areas of the northern NSW coast have been drenched with more than 70cm of rain since last Thursday.
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