A surprise severe thunderstorm slammed Alice Springs on Monday afternoon, knocking out power to roughly 9,000 properties, tearing branches through roofs, and leaving emergency crews scrambling in a town that had already weathered another violent cell less than a week earlier. The Bureau of Meteorology recorded hail and a 96 km/h wind gust as a surface trough collided with unstable desert air, turning the red centre's sky an opaque grey within minutes.

Timing and intensity

Heavy rain and hail hit the town about 3:30 p.m. local time, according to the bureau. Wind sensors clocked the peak gust at 3:44 p.m. Forecasters said the setup — a trough plus warm, unstable air across southern parts of the Northern Territory — was classic for explosive storm growth, even though October is not traditionally the quietest month for Central Australian lightning.

Power and Water Corporation said in an afternoon statement that damage from the "sudden storm cell" had cut electricity across Alice Springs proper and surrounding communities including Arumbera, Ilparpa, Hermannsburg, and Wallace Rockhole. Crews began damage assessments immediately but warned restoration would proceed only where lines could be reached safely amid continuing gusts.

Damage on the ground

Northern Territory Emergency Services took 33 calls for assistance by 5 p.m., commander Adam White told ABC Radio. Reports included multiple trees across roads, hail dents on vehicles, and structural hits to businesses. The Hilton DoubleTree hotel suffered significant damage, a visible marker of how rare high-intensity storms can stress tourism infrastructure that is not built for cyclone-grade winds.

Two further storm cells tracked east over the Simpson and Lasseter districts and were expected to persist into the evening, keeping campers and road trains on alert across remote highways. SecureNT, the territory's emergency portal, urged residents to monitor updates and avoid flooded causeways that can appear shallow until vehicles are swept sideways.

Power restoration and vulnerable customers

Power and Water directed residents to its online outage tracker as lineworkers prioritised hospitals, water pumping stations, and the airport feeder lines. In desert heat that can still climb past 35 degrees even after a storm, prolonged blackouts raise risks for older residents and dialysis patients who rely on home cooling and medical devices.

It was the second damaging storm to strike Alice Springs in under seven days, prompting questions from local councillors about whether infrastructure audits need to account for increasing convective energy as climate patterns shift. The bureau has not attributed Monday's cell to long-term warming, but emergency planners note that back-to-back events strain the same repair crews and chipper contractors.

What to watch overnight

Meteorologists said the trough would weaken after sunset, though isolated gusts could continue across eastern deserts. Schools and clinics were assessing whether to open Tuesday on generator power if mains supply lagged. For tourists midway through Uluru itineraries, the practical effect is disrupted refrigeration, cancelled evening flights, and detours around streets where eucalypts blocked bitumen.

Alice Springs often markets itself as a reliable gateway to the MacDonnell Ranges; Monday's outage graph on Power and Water's tracker told a different story — thousands of red dots in a town unaccustomed to sharing headlines with coastal cyclones. Restoration timelines were not final by nightfall, and NTES asked residents to stay off damaged roofs until insurers and builders could inspect hail impacts in daylight.