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Spring storms are becoming more common in Europe
https://www.gu.se/en/news/spring-storms-are-becoming-more-common-in-europePublished 5 June 2026 at Faculty of Science and Technology
Storm Dave, which swept across northern Europe over the Easter weekend, is a recent example of what new research from the University of Gothenburg has revealed. Spring storms forming over the North Atlantic have become more common than they were 80 years ago, and this is due to climate change.
In the northern hemisphere, storm seasons follow a seasonal cycle. Storms are weakest and least frequent in summer, and most intense in winter. As a result of global warming, storm patterns and their course have changed, and several studies have indicated that winter storms appear to be occurring more frequently and with even greater intensity.
…
Changes in spring and autumn
“We can see that storms over the North Atlantic, the North Pacific and the Arctic Ocean have changed very noticeably during spring and autumn. A storm as powerful and persistent as Dave used to be quite rare in April, but now we are seeing them occur more frequently and pass through longer distances. Previously, many spring storms would fizzle out over the British Isles, but now they sometimes reach as far as Scandinavia,” says Zhi-Bo Li.
The researchers have used historical weather data from 1940 to 2024 to build up a picture of how storms have changed. The main finding of the study is that these changes vary depending on the season and region. In the Arctic, north of the 65th parallel, spring storms are becoming more powerful, lasting longer and travelling further. In the North Atlantic, more spring storms are forming than before, whilst in the North Pacific, it is the autumn storms that have intensified and are lasting longer.
…
Li, Z.-B., Heuzé, C., Song, J.-N., Crawford, A., Lai, H.-W., & Chen, D. (2026). All-season analysis of extratropical and arctic cyclones over the Northern Hemisphere oceans during 1940–2024. Journal of Geophysical Research: Atmospheres, 131, e2025JD044894. https://doi.org/10.1029/2025JD044894Storm Dave, which swept across northern Europe over the Easter weekend, is a recent example of what new research from the University of Gothenburg has revealed. Spring storms forming over the North Atlantic have become more common than they were 80 years ago, and this is due to climate change.
In the northern hemisphere, storm seasons follow a seasonal cycle. Storms are weakest and least frequent in summer, and most intense in winter. As a result of global warming, storm patterns and their course have changed, and several studies have indicated that winter storms appear to be occurring more frequently and with even greater intensity.
…
Changes in spring and autumn
“We can see that storms over the North Atlantic, the North Pacific and the Arctic Ocean have changed very noticeably during spring and autumn. A storm as powerful and persistent as Dave used to be quite rare in April, but now we are seeing them occur more frequently and pass through longer distances. Previously, many spring storms would fizzle out over the British Isles, but now they sometimes reach as far as Scandinavia,” says Zhi-Bo Li.
The researchers have used historical weather data from 1940 to 2024 to build up a picture of how storms have changed. The main finding of the study is that these changes vary depending on the season and region. In the Arctic, north of the 65th parallel, spring storms are becoming more powerful, lasting longer and travelling further. In the North Atlantic, more spring storms are forming than before, whilst in the North Pacific, it is the autumn storms that have intensified and are lasting longer.
…