The Bureau of Meteorology has issued a severe thunderstorm warning for large parts of NSW, with emergency authorities urging residents to be prepared for flash flooding and damaging winds.
The warnings, issued at 2.06pm (AEDT) on Tuesday are for the central tablelands, parts of the mid-north coast, the Hunter region, northwest slopes and plains, central west slopes and plains and the lower western, upper western and northern tablelands forecast districts.
Thunderstorms are likely to produce heavy rainfall that may lead to flash flooding and damaging winds over the next several hours, the bureau said.
Locations which may be affected include Tamworth, Gunnedah and Narrabri,
The State Emergency Service (SES) is advising people to move cars under cover and away from trees, secure loose items around dwellings, keep clear of fallen power lines, creeks and storm drains, and to call triple zero if trapped by flash flooding.