Barcelona heat simulation will test the city’s emergency response to extreme 50-degree temperatures in a groundbreaking exercise scheduled for early 2027.
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Deputy Mayor Laia Bonet revealed the ambitious plan, which forms part of Barcelona’s long-term strategy to prepare for climate change impacts.
Comprehensive Barcelona Heat Simulation Strategy
The simulation will span more than 24 hours and involve two distinct phases. First, authorities will assess how extreme temperatures affect urban infrastructure and public health. Subsequently, they will test coordination between municipal services during a heat crisis. The exercise represents one of the most comprehensive urban heat response tests ever attempted by a European city.

According to official announcements, the Barcelona heat simulation will focus on specific locations rather than entire neighbourhoods. This targeted approach allows for detailed analysis of how different urban environments cope with extreme conditions. Furthermore, the findings will help update emergency protocols for future heatwaves.
The planning phase begins immediately, with a full diagnostic assessment scheduled throughout 2026. This preparatory work will examine infrastructure resilience and identify key sectors requiring special attention. The Catalan Meteorological Service will contribute climate projections to determine when Barcelona might realistically face 50-degree temperatures.
This innovative Barcelona heat simulation forms part of the city’s broader Heat Plan 2025-2035, which includes over forty specific actions. Some short-term measures are already being implemented, including the installation of 194 new shade structures and the expansion of children’s water play areas from four to eight locations across the city.
Barcelona’s approach to climate adaptation reflects growing concerns about urban resilience. As recent studies show, the city already faces significant environmental challenges that require innovative solutions. The heat simulation represents a proactive step toward safeguarding residents against increasingly extreme weather patterns.
Emergency services, health providers, civil protection units and utility operators will all participate in the Barcelona heat simulation exercise. The comprehensive nature of this preparation demonstrates the city’s commitment to climate resilience and public safety in an era of unprecedented environmental change.
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