The phenomenon that will cause today a “hellish night” with temperatures exceeding 30 degrees as a minimum in these areas

The heatwave will reach its peak on Saturday and from tomorrow temperatures will drop slightly. During the day, temperatures are expected to reach 44 degrees on the coast and in the southern interior of Valencia. Thus, Emmett It has activated the severe hazard warning in a large part of Region of Murcia, Alicante and Valencia.

But the worst won’t happen during the day. The night will be “hellish”, with temperatures not falling below 34 degrees until late morning in some areas. According to eltiempo.es, “the extreme high temperatures will not be the only phenomenon with a potential impact on health. Very high temperatures are expected next night, which will significantly interfere with night rest. The heat at night particularly affects children, the elderly and people with previous illnesses and reduced resources, the situation is exacerbated by the heat island effect.

According to Meteored forecasts, temperatures At midnight the temperature will be around 30 to 34 degrees in parts of Almeria, the region of Murcia, Alicante and southern Valencia. Even in the middle of the night, after 3 a.m., temperatures can exceed 30 degrees in cities like Torrevieja, Alicante, Calpe, Denia and Gandia.

How can the minimum be as high as the maximum in other locations in Spain if the sun is not hot at night? This phenomenon occurs due to the heat accumulated during the day and the presence of westerly winds. Although the minimum temperatures will drop to 24-26 degrees, it will be very difficult to sleep without the help of ventilation or air conditioning.

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This unusual episode of high night-time temperatures is due to what is known as the “Fohn effect,” which occurs when “winds act vertically on a mountain range. As you go up the mountain, the air dries out and gets too hot because as you go down and onto the opposite slope, it experiences increased pressure. The result is hot, gusty winds that keep temperatures at high values,” they explained from Meteored.

A slight respite before another sharp rise in temperatures.

On Sunday, there will be a slight change in the trend of recent days due to the arrival of a low pressure system accompanied by a cold air mass coming from the north of the peninsula. This will cause a significant drop in maximum temperatures in most of the southeast – between 5 and 6 degrees – with particular emphasis on the interior, the coast of Valencia, Alicante and the region of Murcia. In these areas, The drop can be as low as 6 to 12 degrees. Compared to Saturday’s registrants.

Looking ahead to next week, temperatures will rise again, although they will continue to fall on Monday in the southeast, with maximum values ​​between 34 and 36 degrees in the interior and 28-30 in coastal areas. But it will be temporary because meteorological models indicate that there will be a new episode of very high temperatures, which could reach its peak during the day on Wednesday, on the eve of the Feast of Santiago.

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