Spain is set to experience another round of intense heat as the State Meteorological Agency (AEMET) issues a warning for the return of very high temperatures across most of the country, especially from Tuesday. This comes after a brief respite over the weekend, with temperatures expected to soar once again, potentially leading to the fourth heatwave of the summer.
The announcement, made via AEMET's social media channels, highlights that July could tie with July 2022 as the hottest month on record. The culprit is an intrusion of very hot air from North Africa, which will create a heat dome over the Iberian Peninsula, causing temperatures to skyrocket.
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What Is a Heat Dome and Why Is It Causing This Heatwave?
A heat dome is a weather phenomenon where a high-pressure system traps hot air over a region, acting like a lid on a pot. In this case, a strengthened subtropical anticyclonic ridge will position itself over Spain, pushing hot air from North Africa upwards and preventing it from escaping.
According to meteorologists like Samuel Biener from Meteored, this configuration will lead to a sustained period of extreme heat. The heat dome is expected to remain stationary over the country, intensifying the heat day by day.
How Hot Will It Get and Who Will Be Affected?
Temperatures are forecast to rise significantly, with many areas experiencing values well above 35°C (95°F) and some regions potentially exceeding 40°C (104°F). The heat will be widespread, affecting most of the peninsula and the Balearic Islands.
The most vulnerable groups, including the elderly, children, and those with pre-existing health conditions, are at higher risk. Local authorities are expected to activate heat health warning systems and advise the public to take precautions.
What This Means for Spain's Climate Record
If the forecast holds, July 2023 will tie with July 2022 as the hottest July on record. This underscores the growing impact of climate change, which is making heatwaves more frequent, intense, and longer-lasting.
The repeated heatwaves this summer are a stark reminder of the need for adaptation measures and increased resilience in the face of extreme weather events.
Key Takeaways
- AEMET warns of very intense heat returning to most of Spain, especially from Tuesday.
- A heat dome caused by a subtropical ridge will trap hot air over the peninsula.
- Temperatures could exceed 40°C in some areas, posing health risks.
- July 2023 may tie with July 2022 as the hottest month on record.
- Climate change is driving more frequent and severe heatwaves.
Comparison of Heatwave Conditions
| Heatwave | Date | Peak Temperature | Areas Affected |
|---|---|---|---|
| Heatwave 1 | June 2023 | 42°C | Southern Spain |
| Heatwave 2 | July 2023 | 44°C | Central and Southern |
| Heatwave 3 | August 2023 | 43°C | Widespread |
| Heatwave 4 (forecast) | Late July 2023 | Potential 45°C | Most of Peninsula |
How to Stay Safe During the Heatwave
With temperatures set to soar, it's crucial to take precautions to protect yourself and others. Stay hydrated, avoid outdoor activities during the hottest part of the day, and keep your home cool by closing blinds and using fans or air conditioning. The longer history behind the story is traced in Spain Heatwave 2025: Almeria 40°C vs Asturias 27°C Weather Divide.
Check on vulnerable neighbors and family members, and never leave children or pets in parked cars. Follow local health advice and stay informed about weather updates. The background to this story is set out in Spain's Fourth Heat Wave: AEMET Alerts Extreme Temperatures Amid Fire Crisis. A related thread runs through UK Heatwave Health Alert: Britain Braces for Fourth Heatwave of. Earlier coverage in Spain Heatwave: New Temperature Surge Expected in Late September shows how the argument developed.
What to Watch Next
AEMET will continue to monitor the situation and issue updates as the heatwave develops. Keep an eye on official forecasts and warnings, and be prepared for potential health alerts and restrictions. A closer look at the same subject appears in UK Heatwave Alert: Amber Health Warning as Temperatures Soar. Anyone following the wider picture can start with Britain Braces for Fourth Heatwave: Health Alerts and Fire Appeal. The same theme surfaces in UK Heatwave Alert: 4th Heatwave Hits Britain, Fire Chiefs Appeal, which takes a different angle.
As the climate continues to warm, Spain must adapt to more frequent and intense heatwaves. This includes improving early warning systems, enhancing urban planning to reduce heat islands, and protecting vulnerable populations. Context on how this played out before sits in Italy Heat Alert: 27 Cities on Red Alert as Heatwave Intensifies. A companion piece, Heat Dome Safety: Protect Yourself from Extreme US Temperatures, approaches the same subject from another angle.
FAQ
What is a heat dome?
A heat dome is a high-pressure system that traps hot air over an area, causing prolonged periods of extreme heat. It acts like a lid, preventing the hot air from escaping and allowing temperatures to build up.
How long will this heatwave last?
Forecasts suggest the heatwave could last several days, with the peak intensity expected midweek. However, the exact duration will depend on how the weather patterns evolve.
Which areas will be worst affected?
Most of the Iberian Peninsula will be affected, with inland areas and the south likely to see the highest temperatures. Coastal areas may be slightly cooler but still hot.
Is this heatwave caused by climate change?
While individual heatwaves are influenced by natural weather patterns, climate change is making them more frequent, intense, and longer-lasting. The repeated heatwaves this summer are consistent with climate projections.
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