Drooid Logo
Back to story perspectives

Full Breakdown

Climate Change Intensifies Storms in the Iberian Peninsula

2/26/2026, 1:00:31 PM

Overview of Recent Storms

Recent research has established a direct link between climate change and a series of destructive storms that struck Spain and Portugal from mid-January to mid-February 2023. These storms resulted in extensive flooding, causing the deaths of six individuals in Portugal and forcing the evacuation of over 12,000 people in Spain. The economic impact has been substantial, with the Spanish government allocating €7 billion in relief payments and damage in Portugal estimated at €6 billion, representing more than 1.5 percent of its GDP.

Scientific Findings on Climate Change's Role

A team from the World Weather Attribution consortium conducted an analysis of the storms, revealing that climate change has intensified rainfall in the Iberian Peninsula and neighboring Morocco. Their findings indicate a 36 percent increase in rainfall intensity in northern Spain and a 28 percent increase in the southern region. Clair Barnes, a researcher at Imperial College London, noted that the wettest days are now approximately 11 percent wetter than they would have been without human-induced climate change.

Atmospheric Conditions Contributing to the Storms

The storms were exacerbated by an atmospheric river—a long band of wind and water vapor transporting moisture across vast distances. This phenomenon was intensified by a marine heatwave in the Atlantic, which increased sea temperatures and made such conditions ten times more likely due to climate change. Barnes explained that the atmospheric river picked up more moisture as it moved over the warm ocean, leading to heavier rainfall upon landfall.

Economic and Social Impact

The storms have caused significant infrastructure damage, including the collapse of Portugal's main highway, which is expected to take weeks to repair. While the death toll across Spain, Portugal, and Morocco was relatively low at 49, largely due to effective early-warning and evacuation measures, the long-term economic repercussions are anticipated to be severe. Maja Vahlberg from the Red Cross-Red Crescent Climate Centre emphasized that while human lives can be safeguarded, the underlying risks to homes and infrastructure remain.

Criticism and Concerns

Despite the successful evacuation efforts, experts caution that these measures do not eliminate the inherent risks posed by climate change. Vahlberg pointed out that while people can be moved out of harm's way, the same cannot be said for buildings and infrastructure, which are vital to cultural and historical identity.

Conclusion

The recent storms in the Iberian Peninsula serve as a stark reminder of the increasing severity of weather events linked to climate change. As scientists continue to study the implications of these findings, the need for comprehensive adaptation strategies becomes ever more critical to mitigate future risks associated with extreme weather.