The beginning of the meteorological autumn has started with a abnormal heat episode, which will reach its peak this Friday. The State Meteorological Agency (AEMET) maintains warnings for high temperatures in several areas of the country, while eltiempo.es forecasts point to maximum temperatures of up to 42-43ºC in the valleys of the southwestern peninsula.
The situation will be favored by a DANA located to the west of the Peninsula, which will facilitate the entry of a mass of warm, dry airaccompanied by haze. Added to this will be a ridge in the middle and upper layers of the atmosphere and the predominance of high pressures on the surface, conditions that will favor stability and high sunshine, according to eltiempo.es.
The AEMET indicates that this episode will leave very high or anomalous values for the month of September, although it does not seem that it will meet the criteria for heat wave. Furthermore, he warns that the fire danger will be very high in the areas most affected by high temperatures.
Friday will be the hottest day
The thermal rise will be progressive during the next few days. This Wednesday, a large part of the interior of the peninsula and the Balearic Islands will exceed the 35-37ºCwith more than 40ºC at points of Extremadura, Castilla-La Mancha and Andalusia. The AEMET points out that in the countryside of Seville and Cordoba and in Sierra Morena de Jaén there will be a high probability of reaching 40 ºC.
On Thursday there will be a thermal rebound in the peninsular north by the southerly winds, with a rise that could exceed 6 ºC and reach up to 8-10 ºC in some areasaccording to eltiempo.es. The AEMET predicts that thermometers will reach 42 ºC in the countryside of Seville and Cordoba and exceed 40 ºC in the Guadalquivir and Guadiana valleys.
On Friday the peak heat of the week will be reached. According to eltiempo.es, Pamplona could reach 39 ºC and Vitoria 37 ºC, while in the south of Galicia it would exceed 36 ºC. In much of the interior of the peninsula, values of 36-38ºC and the highest records will once again be located in the Guadalquivir valley, where the levels could be exceeded. 42 ºC and even reach 43 ºC.
The AEMET also foresees that the Orange heat warnings will be extended to eight autonomous communities on Friday, along with another half dozen in the yellow level.. In the affected areas, thermometers may reach 42 ºC in the Cordoba countryside and 41 ºC in Seville, while they will exceed 40 ºC in the interior of the Tagus, Guadiana and Guadalquivir valleys. The entry of suspended dust into the Peninsula and the archipelagos is also expected.
When will thermal relief come?
Starting Friday, uncertainty will increase due to the approach of DANA to the northwest of the peninsula. Its evolution could move the ridge to the east and favor a decrease in temperatures, in addition to the arrival of precipitation.
On Saturday temperatures would begin to drop in the western half, especially in Galicia, Extremadura and western Andalusia. On Sunday, the declines would extend to the northern third and the northeast.
However, the relief will be progressive.
However, the relief will be progressive. According to the eltiempo.es forecast, temperatures 5-10 ºC will remain above normal in much of the interior of the peninsula at least until Monday or Tuesday of next week.