Weather by Alexis Carey 17th Dec 2020 10:14 AM The Bureau of Meteorology has issued a severe weather warning for a huge chunk of NSW and storms continue to batter Australia's east coast. The BOM revealed early Thursday morning that heavy rainfall was on the cards for people in parts of North West Slopes and Plains and Northern Tablelands Forecast Districts, which may lead to flash flooding. "Humid air persists over New South Wales, and is interacting with a surface trough over the interior to produce showers and storms over the northwest slopes, and some locally heavy falls," the BOM said. "Heavy rain which may lead to flash flooding is possible this morning, with the focus initially in the western part of the warning area, then shifting eastwards.