Aemet warns of rainfall of up to 200 l/m in these areas

THE first impact storm of the fall was named as Aitor and I will leave in the next few hours heavy rains northwest of the peninsula –80 liters per square meter in 12 hours-, strong gusts of wind and sea storms according to the State Meteorological Agency (Aemet).

The weather agency predicts that they will accumulate around 80 liters per square meter in twelve hours in La Coruña and Pontevedrabad weather which triggered the orange alert – significant risk – in these areas. It will also rain heavily in the rest of the Galician provinces, where levels of 50 liters per square meter in twelve hours in depth.

Maximum wind gusts will trigger the yellow alert – risk for certain activities – in the surrounding municipalities. They will blow with intermediate gusts 80 and 90 kilometers per hour in the Galician community, in Asturias, in Cantabria and in large areas of Castile and Leon.

“Thanks to a large depression system on the European Atlantic coast and the position of the subtropical anticyclones, In the next few hours, a very important atmospheric river will arrive in Spainwith very rare precipitable water values ​​for the time,” warns Samuel Biener, expert in Weathered. “And according to our reference model, between tomorrow and Thursday, this will fully affect Galicia.”

The meteorological service warns that between Wednesday and Thursday the most complicated situation is expected with heavy and persistent rains in Galicia, the Central System, Asturias, the northwest of Castilla y León, Cantabria and the south of the Pyrenees, where it will fall in some of these places. more than 100 liters per square meter in the episode.

“However, the outlook will be particularly unfavourable in the pre-coastal mountains of Pontevedra, where between 150 and 200 l/m2 in cities like A Lama, Laxedo, A Laxe or Borela“Warns Biener.” In cities like Santiago, Vigo, Pontevedra or Vilagarcía de Arousa, they will exceed 100 l/m2. The rains will continue throughout Wednesday.

On Thursday, starting at noon, “the frontal system will move towards the northwest and the interior of the peninsula” the expert continues. “The environment will continue to be unstable due to more irregular and sometimes stormy post-frontal showers. Pay attention to the increase in river flow in areas where it will rain the most, as very large amounts will fall in a short time.

Finally, wind gusts will exceed 50 km/h up to 90 km/h in the exposed capes, the precoastal mountain ranges of Pontevedra and the high areas of Orense. “The minimums will be relatively mild both in the early hours of Wednesday and Thursday due to the abundant cloudiness and the mild winds from the Atlantic, but on this last day the maximums will be slowed down further by the arrival of a cooler air mass, and for example In Pontevedra or Lugo they will not exceed 20ºC“, Biener concludes.