Australian Government Bureau of Meteorology New South Wales TOP PRIORITY FOR IMMEDIATE BROADCAST Detailed Severe Thunderstorm Warning for Blue Mountains/Hawkesbury and Sydney areas. Issued at 6:54 pm Friday, 19 December 2025. Severe thunderstorms have temporarily eased. Warning for the following areas: New South Wales Anonymous Locale 1 Severe thunderstorms in the warning area have temporarily eased. However, the redevelopment of severe thunderstorms remains possible. The situation is being closely monitored and further detailed warnings will be issued as necessary. A 100 km/h wind gust was observed at High Range at 4:15 pm. Cancellation for the following areas: Wollondilly/Wingecarribee,Blue Mountains/Hawkesbury,Sydney 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). A more general severe thunderstorm warning is also current for parts of the Hunter, Metropolitan, Central Tablelands, Riverina, Lower Western and Central West Slopes and Plains districts. Other warnings may be current. The next warning is due to be issued by 7:55 pm. 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.