Madrid, September 23 (EFE).- The first weekend of autumn, which began this morning at 03:04 peninsular time, will leave a marked thermal drop and intense rains in the eastern, central and northern areas of the peninsula, but on the whole in the Canary Islands, where the approach of a tropical cyclone is expected on Sunday.

This Friday, the rains will be weak, but persistent in Galicia and in the Cantabrian region, to gain in intensity from Saturday; In the regions of the Eastern Peninsula and the Balearic Islands, on Saturday and Sunday there will be showers and thunderstorms, locally strong in northern Aragon, Catalonia and the Valencian Community and in the Balearic Islands.

Faced with this situation, the Meteorological Agency (Aemet) activated this Friday the orange alert (significant risk) in all the provinces of Catalonia due to rains that will accumulate up to 40 liters per square meter in one hour. ; in Aragón and Comunidad Valencia there is a yellow warning (risk) also due to rain, with an accumulation of 10 to 20 liters in an hour.

In the Canary Islands, the approach of a tropical depression is expected from Saturday, which will produce widespread, heavy or very heavy, and persistent precipitation, giving rise to heavy accumulations, especially on Sunday, in the western islands.

The Aemet warned this Friday that the National Hurricane Center of the United States already estimates “70% chance that a tropical cyclone will form in the Atlantic” in the next 48 hours, and that it would already move like a tropical depression from Cape Verde heading north. .

The tropical depression should not pass over the Canary Islands, so “the wind will not be a generalized unfavorable factor”, but the Spanish islands will not be spared from the effects that this phenomenon will cause in this area of ​​the Atlantic, they have l focus of the Meteorological Agency.

As for the temperatures, during the weekend “they will drop sharply throughout the country”, they pointed out from Aemet, although the drops will start today in the northwest, on Saturday they will reach the rest of the Atlantic slope, upper and middle Ebro and the Canary Islands, and on Sunday they will reach the Mediterranean area.

The most remarkable thing in terms of the values ​​is that they will be more typical of autumn, with highs that will not exceed 20 degrees in the north, although the heat and heat will still persist in parts of the Mediterranean.

By provincial capitals, on Sunday, the day when the freshest atmosphere will have settled in almost the whole country, Ávila, Burgos, Vitoria and Oviedo will reach a maximum of 17 degrees, while in San Sebastián, Palencia, Santander and Zamora the thermometers will reach between 18 and 19 degrees.

On this day, the thermal drop will also be noticed in Albacete, Barcelona, ​​Bilbao, A Coruña, Cuenca, Huesca, Lleida, Logroño, Madrid, Ourense, Valencia, Teruel, Pontevedra and Salamanca with values ​​between 20 and 23 degrees.

Next week will start with showers and thunderstorms in the Canary Islands, locally strong, although less persistent, to gradually disappear throughout the week, and there will be only cloud intervals with probable light rain in the north of the islands with the greatest relief.

In northern Galicia and in the Cantabrian region it will rain persistently throughout the week, sometimes accompanied by thunderstorms, while in the Mediterranean region and in the east of the peninsula there will be thunderstorms Monday, which could be strong.

From Aemet they influenced that from Tuesday, except in the north of the peninsula, “a period of calm opens until Thursday”, when the rains will probably be reactivated, first in the northern half of the peninsula and in the Balearic Islands and , facing the weekend, more generally.

As far as temperatures are concerned, a week with “drops between Monday and Wednesday” is expected, to recover slightly on Thursday, and go down again from Friday.

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