Thunderstorms rolled through northeastern NSW on Wednesday night, bringing the heaviest rain in months to parts of the Mid North Coast.
The storms were produced by a low pressure trough moving over the region. They rolled off the ranges and reached the northern coast in two separate cells at around 5pm.
There were over 3,800 lightning strikes recorded before the storms moves offshore just after midnight.
Bursts of rain delivered 12mm at Grafton and 8mm in Yamba within the space of just 10 minutes. The highest total was recorded at Maria River, near Kempsey, with 28mm. Mount Seaview also collected 20mm, the highest rainfall since September.
Isolated showers are likely to redevelop this afternoon as the trough weakens. Another trough will move into northeastern NSW on Friday, triggering storms in the afternoon and evening.
Thunderstorms will continue on Saturday and Sunday, with rainfall totals east of the ranges expected to be in the 15-25mm range between now and the end of the weekend.
© Weatherzone 2012
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