Australian Government Bureau of Meteorology New South Wales TOP PRIORITY FOR IMMEDIATE BROADCAST Cancellation Of Detailed Severe Thunderstorm Warning for Blue Mountains/Hawkesbury and Sydney areas. Issued at 7:31 pm Friday, 19 December 2025. cancellation of detailed severe thunderstorm warning for the following areas: Blue Mountains/Hawkesbury and Sydney Severe thunderstorms are no longer affecting Sydney Newcastle Wollongong and surrounding areas. This warning is now cancelled. A 100 km/h wind gust was observed at High Range at 4:15 pm. Cancellation for the following areas: New South Wales Anonymous Locale 1 The State Emergency Service advises that people should: * Keep clear of fallen power lines. * Keep clear of creeks and storm drains. * Don't walk, ride your bike or drive through flood water. * Beware of fallen trees or debris on the road. For emergency help in flood and storms, ring the SES on 132 500. Stay updated on the Hazards Near Me NSW app or the ACT ESA website (https://esa.gov.au). Other warnings may be current. No further warnings will be issued for this event. Check https://www.bom.gov.au/weather-and-climate/warnings-and-alerts. Warnings are also available through TV and Radio broadcasts or call 1300 659 210. The Bureau and State Emergency Service would appreciate warnings being broadcast regularly.