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Spain faces hottest week of summer, temperatures expected to reach 45°C

Spain faces hottest week of summer, temperatures expected to reach 45°C

Spain's National Meteorological Agency has set the schedule: temperatures will start to rise this Saturday, intensify from Tuesday, July 22, and, according to current forecasts, are unlikely to decrease until at least Thursday, July 23.

The agency does not rule out the possibility that Monday itself could be added to the official heatwave period if the data confirms this. It would be the third heatwave so far this summer in Spain.

The phenomenon, explains Aemet, is the result of an atmospheric blocking pattern reinforced by the presence of a low to the west of the peninsula. This combination is allowing a mass of warm and dry air from North Africa, laden with suspended dust, to settle over most of Spain and the Balearic Islands.

The result will be a gradual increase in temperatures, which will peak on Thursday, with measurements that could reach or locally exceed 45°C in the southeastern third of mainland Spain.

Andalusia, the Ebro Valley, the northeastern depressions, the Genil basin and the interior of Mallorca will record the highest figures, with maximum temperatures exceeding 40°C in some areas for several consecutive days. 
In addition, particularly warm nights are coming, a factor that Aemet highlights as particularly dangerous for health, as it prevents the body from recovering from the heat accumulated during the day.

Health and the risk of forest fires, the two main concerns

The risk level around noon will be considered considerable, especially for those engaged in outdoor activities and for the most vulnerable groups: the elderly and patients with cardiovascular disease. The agency is urging people to take maximum precautions, especially on Thursday, when the heat is expected to peak.

At the same time, the risk of forest fires will increase to extreme levels, a scenario that will be exacerbated by the possibility of dry afternoon thunderstorms in mountainous areas, bringing lightning but hardly any rain – a mix that is particularly conducive to starting new fires.

This summer is already looking like a unique case in the historical record. Between June 1 and July 15, the average temperature in Spain was 3.3°C above normal, exceeding by 0.4°C the record set during the same period in 2024, so far the hottest temperature along with 2015.

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