UPDATE 9.00am: A severe thunderstorm warning for the coastal areas of Northern NSW has been re-issued.
The warning predicts large hailstones and heavy rainfall.
The storms are likely to produce heavy rainfall that may lead to flash flooding over the next several hours in the Northern Rivers and parts of the Mid North Coast districts. Locations which may be affected include Lismore, Grafton, Coffs Harbour, Port Macquarie, Taree and Dorrigo.
Wooli River Caravan Park recorded 75mm in the 60 minutes to 8:55am.
UPDATE 6.05am: A SEVERE thunderstorm warning for the Northern NSW coastal strip has been lifted as the intense weather shifts inland.
In an update to its storm warning, the Bureau of Meteorology now says intense storm activity is now focused around the upper western districts of NSW, covering Bourke and Wanaaring, which are tipped to cop large hailstones and flash flooding over the coming hours.
A flood watch remains in place for the NSW North Coast.
INITIAL REPORT: A SEVERE thunderstorm warning is in place for coastal areas of the Northern Rivers and Mid North Coast.
The Bureau of Meteorology issued the warning just before 3am and says heavy rain from storm systems could result in flash flooding between Byron Bay in the north and Forster in the south.
"Severe thunderstorms are likely to produce heavy rainfall that may lead to flash flooding in the warning area over the next several hours," the Bureau says in its warning.
"Locations which may be affected include Coffs Harbour, Port Macquarie, Taree, Byron Bay, Ballina, Evans Head, Yamba, Woolgoolga and Sawtell."
The warning comes as a flood watch remains in place for most of Northern NSW with the Bureau tipping a 70% chance of moderate to major flooding on the Northern Rivers.
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