Cyclone Kirrily weakens post-landfall as state mobilises response

Cyclone Kirrily smashed into Queensland's north as the region's most powerful system in over five decades, yet emerged from the coast almost as dramatically as it arrived—a rapid downgrade that nonetheless left tens of thousands without electricity and triggered a carefully choreographed emergency response spanning state infrastructure, local authorities and power utilities.

The system's transformation was extraordinary. It approached as a severe category three cyclone Thursday night, with gusts reaching 170km/h over the Coral Sea, only to weaken to category two just before crossing the coast near Townsville around 10pm. By midnight it had eased to category one, with maximum gusts of 120km/h recorded inland. Meteorologically, it ranks as the strongest to strike Queensland's north since Cyclone Althea devastated the region in 1971.

The speed of intensification caught the region's attention earlier in the week. A tropical low lingering in the Coral Sea for days, Kirrily developed into a named cyclone on Wednesday before the system jumped to category two on Thursday morning—then rocketed to category three just five hours later. That rapid escalation left forecasters closely monitoring the threat to population centres.

Emergency response officials executed swift precautions within the compressed timeframe. Townsville Airport shut, more than 120 schools across North Queensland closed, and hundreds of emergency services personnel stood by. By 2pm Thursday, residents received orders to remain indoors as conditions deteriorated. Townsville Mayor Jenny Hill appealed directly to community safety awareness in public warnings, telling residents they "really don't want to be outdoors with some of these gusts" that "could drop a tree branch" or "pick up a piece of rubbish."

More than 40,000 homes lost power as the cyclone approached, with the majority in and around Townsville, prompting Ergon Energy to immediately prioritise reconnecting emergency services, hospitals, schools and critical infrastructure. Authority officials cautioned that restoration could stretch across several days in some areas, pending weather clearance for safe crew access.

Yet despite its raw wind force, the system delivered more wind damage than rainfall. Senior meteorologist Miriam Bradbury told ABC News that precipitation totals reached only 50 to 70mm but "plenty of wind damage, with many trees down and debris on the roads." Offshore reefs recorded peak gusts exceeding 140km/h with sustained winds above 116km/h, though closer to shore at Alva Beach and Townsville, gusts moderated to 107km/h and 91km/h respectively.

The system's inland trajectory drew continued concern despite its official downgrade. Bradbury highlighted that the cyclone "will carry a lot of that moisture with it, gradually pushing it through central and then more western parts of Queensland"—territory where a severe weather warning already forecast potential life-threatening flash flooding.

The cyclone's passage disrupted the broader state. Queensland Rail suspended services north of Rockhampton while Australia Day celebrations scheduled for Friday across the region were cancelled. The event underscored how rapidly intensifying tropical systems can destabilise entire regions in hours, even when they weaken just as dramatically after landfall.