Sydney, Australia: Satellite images have revealed an uncommon phenomenon in the South Pacific, where three tropical cyclones—Rae, Seru, and Alfred—are churning simultaneously.
The storms formed over five days and are currently active in a vast area stretching from eastern Australia to 8,000 kilometres into the Pacific, coinciding with the peak of the cyclone season.
Not unprecedented
While this level of activity is rare, it has occurred before. Brian Tang, an Atmospheric Science Professor at the University at Albany, noted that the last instance of three simultaneous South Pacific cyclones happened in January 2021, when Lucas, Ana, and Bina were active. He described the current situation as a “very busy period” but not entirely unprecedented.
Current Storm Activity
- Tropical Cyclone Alfred formed on Monday and quickly intensified to a category three system, with wind gusts reaching 185 km/h over the Coral Sea. Its path remains uncertain, and authorities in Queensland, Australia, are closely monitoring whether it will make landfall.
- Rae developed north of Fiji on Friday, bringing heavy rain and strong winds that damaged fruit trees, according to local reports.
- Seru became a cyclone on Tuesday and is expected to move near Vanuatu, though it is forecasted to stay offshore.
Severe Tropical Cyclone Alfred remains active in the Coral Sea and is expected to drift south over the next few days. But beyond that, there’s still a lot of uncertainty about its future track
A strong high near NZ will play a key role in where it goes next
We’re keeping a… pic.twitter.com/P809Jn0Owp
— MetService (@MetService) February 27, 2025
Climate Crisis
The intensification of these storms is linked to rising ocean temperatures, which fuel stronger tropical cyclones. 2024 recorded the hottest ocean temperatures in history, contributing to more intense and slow-moving storms, which can lead to greater destruction.
Although global warming does not necessarily increase the total number of storms, it is making higher-category cyclones more frequent and powerful.
Interestingly, this cyclone activity is occurring despite the presence of La Niña, a climate pattern that typically cools ocean temperatures, limiting the fuel available for storm formation. Scientists had forecasted fewer tropical cyclones in the region this year, making the simultaneous occurrence of three storms even more unexpected.
Weather Variability
Gabriel Vecchi, a climate scientist at Princeton University, pointed to the influence of a Madden-Julian Oscillation (MJO)—a shifting atmospheric pattern that causes bursts of rising air and increased rainfall as it circles the globe over a period of about 30 days. According to Vecchi, the current MJO phase appears to be enhancing cyclone activity in the South Pacific.
Vecchi explained that, “The atmosphere is chaotic. There’s a lot of natural fluctuation in it … we need to be open to the possibility that factors beyond our ability to predict might have led to these three cyclones forming at the same time.”
Cyclone Terminology
Tropical cyclones, hurricanes, and typhoons are essentially the same type of storm, but their classification depends on where they form. In the North Atlantic, they are called hurricanes, while those in the South Pacific and Indian Ocean are known as tropical cyclones.
With Rae, Seru, and Alfred still active, meteorologists and local authorities continue to track their movements closely, assessing potential threats to coastal communities in Australia, Fiji, and Vanuatu.
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