This summer, temperatures have consistently soared, leaving little respite for residents. Following a brief interlude of cooler weather over the weekend, the fourth heat wave of the season is upon us. The AEMET (Agencia Estatal de Meteorología) has issued a special warning based on the latest meteorological models, predicting a significant rise in temperatures that will persist at least until Sunday.
When Does the Heat Wave Begin?
The special notice issued by the AEMET indicates that this new heat wave officially starts on Wednesday, July 29. Though rising temperatures have already begun due to an anticyclonic situation, the most dramatic spike is anticipated on Wednesday, particularly affecting the eastern third of the Peninsula. The heat isn’t expected to be a fleeting episode; forecasts suggest extreme temperatures will linger until at least Sunday, August 2, with some experts warning that elevated temperatures could continue into the following week.
The Oven Map: High-Temperature Predictions
On Wednesday, temperatures are projected to reach a blistering 39-41ºC in major valleys of the southwest, including Guadalquivir, Guadiana, and Tagus. The Ebro valley and northeast depressions may see even higher readings, surpassing 40-42ºC. Meanwhile, temperatures in the Canary Islands are expected to remain above 37ºC, characterized by increased haze and dry conditions.
Thursday may offer a slight cooldown along the Cantabrian coast; however, the intense heat will persist in central, southern, and eastern parts of the country, with maximum temperatures hovering between 40-42ºC leading into Friday.
What Lies Ahead?
As we approach the weekend, forecast models display uncertainty regarding future temperature trends. However, the likelihood of a significant cooldown is low. Extreme heat conditions are expected to systematically remain, with maximum temperatures consistently above 40ºC.
Public Health at Risk
Extreme temperatures present a notable danger to public health. The AEMET has highlighted a “significant” risk, especially during midday hours. Beyond health concerns, the heat wave exacerbates existing fire threats across the country.
Current firefighting efforts are concentrated in regions like Ávila, Madrid, Toledo, and Castellón, where conditions are dire. The combination of extreme heat, low humidity, and strong southern winds creates a precarious scenario known as the 30-30-30 factor—temperatures exceeding 30ºC, wind speeds above 30 km/h, and humidity levels below 30%. This will push the fire risk index to severe levels throughout almost all of Spain.
As we brace for this heat wave, it becomes crucial to stay informed and take necessary precautions to protect ourselves and the environment.