Tropical Cyclone Narelle tore through far north Queensland, and it’s been years since a storm hit this hard, slamming into the coast as a Category 4 system, tearing up roads, power lines, and entire stretches of landscape. Even though it’s losing strength, Narelle isn’t done yet; now it’s heading west toward the Northern Territory, and people are worried about more flooding and the chance the storm could pick up again over warmer waters.
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What Made Cyclone Narelle So Destructive?
- Extreme Wind Speeds and Intensity: A tropical cyclone hit the Cape York Peninsula at a speed of 195 km/h, just below Category 5. Although the cyclone weakened to Category 2, the gusts were strong enough to uproot trees and remove roofs at a speed of 150 km/h.
- Widespread Structural Damage: The cyclone caused “losing roofs everywhere,” including damage to several structures in remote areas such as Coen, which has a population of 320 people.
- Heavy Rainfall and Flooding: The cyclone dumped 100-200 mm of rainfall in parts of the Northern Territory, especially in Katherine and Daly River areas, posing flooding risks in the region due to saturation.
- Storm Surge and Coastal Damage: Storm surges were expected at the time of high tide, which increases the risk of damage in coastal areas. In addition, the rise in sea levels caused by climate change adds to the risk of damage in coastal regions.
| Aspect | Details |
|---|---|
| Landfall Location | Between Lockhart River and Coen (Cape York Peninsula) |
| Direction of Movement | Westward across Cape York toward the Gulf of Carpentaria |
| Ocean Influence | Coral Sea & Gulf waters aiding potential re-intensification |
| Community Preparedness | Northern Territory on high alert with pre-cyclone preparations |
| Affected Region Population | ~320 (Coen area) |
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How Is the Cyclone Changing As It Heads West?
- Weakening but still potent: The cyclone has been downgraded from a Category 4 to a Category 2 cyclone, but still packs destructive winds near its center and sustained gales of up to 120 km/h.
- Re-intensification over warm waters: Narelle is expected to intensify again once it reaches the Gulf of Carpentaria due to favorable sea surface temperatures.
- Another landfall expected: Another landfall is forecast to occur near Anindilyakwa Island in the Northern Territory between Saturday night and early Sunday.
- Flood-prone path: The cyclone path includes areas that were recently flooded, thus increasing the chances of another major flooding event.
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What Effect Does Climate Change Have on Cyclone Narelle?
Cyclone Narelle’s unusual intensity has been associated with rising ocean temperatures due to global warming, according to climate scientists. Increased ocean temperatures in the Coral Sea, where the cyclone formed, have provided more energy to create the cyclone than had previously occurred. Studies indicate that a 1°C rise in ocean temperatures can lead to wind velocities of up to 10% for tropical cyclones, thus significantly increasing the hazards presented by storms such as Cyclone Narelle.
Although there have not yet been widespread reports of destruction attributed to Tropical Cyclone Narelle, it remains a potentially serious and evolving threat due to its potential for re-intensification and flooding in susceptible areas.
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