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The districts of Leiria and Coimbra are under orange alert due to the probable passage of cyclone Alpha, reports the Portuguese Institute of the Sea and Atmosphere (IPMA). In the next few hours, winds, heavy rains and thunderstorms are likely to occur in the center of the country.
On its website, IPMA explains that “the depression centered along the coast of the Leiria district, acquired subtropical characteristics during the afternoon, revealing an organized structure in the satellite imagesIn this context, the NHC (North American National Hurricane Center) “contacted the IPMA to carry out a joint diagnosis of the situation, having chosen to name the cyclone. This cyclone was called Alpha. According to projections of the different models, after entering the ground, the Alpha should lose intensity quickly ”.
If you were away for a couple of hours, you may have missed the last two Atlantic storms. # Wilfred is not a threat to the earth, while #Alpha it is near the coast of Portugal. For more information on the dangers of Alpha, see https://t.co/SPVEfodInE and NHC notices are at https://t.co/tW4KeFW0gB pic.twitter.com/do9pDwdcRi
– National Hurricane Center (@NHC_Atlantic) September 18, 2020
In the assessment carried out, the IPMA states that “with the approach of the depression to the coast it was possible to monitor the cyclone with the help of the radar system, allowing the identification of very strong winds at altitude, but relatively close to the surface”.
In view of the stage and, “taking into account the elements available at that time, it was decided raise the alert level to orange for warnings of wind, precipitation and thunderstorms in the districts directly affected, Leiria and Coimbra “.
ℹ️⚠️ #FMA_Alpha If you are in #Leiria or #Coimbra (in districts) these are the basic precautions you should take:
– Remove objects from balconies
– Close doors and windows
– Do not park under trees or near moving structures– You Portugal (@VOSTPT) September 18, 2020
Supercells in Beja and Palmela
This Friday, the southern region, such as Beja and Palmela are examples, suffered bad weather, with many tree falls and floods, as well as other material damage, with the passage of tornadoes. The IPMA explained that the meteorological phenomena that occurred in the morning in Beja and Palmela occurred due to “disorganized convective cells”, supercells, which can cause tornadoes to form.
Speaking to Lusa, the meteorologist Nuno Moreira explained that the convective cells are associated with a depression in the Atlantic Ocean, traveling northeast and entering, this Friday afternoon, the continental territory of Portugal.
“What happened this morning in Beja and Palmela was the occurrence of disorganized convective cells, which we call supercells and which contain mesocyclones in their interior, a structure that can give rise to tornadoes, for example,” he said.
This morning, an intense storm hit several areas of the city of Beja, causing more than 100 trees to fall and damage to vehicles and infrastructure, a fire source said.
It was “a rapid phenomenon of strong wind and heavy rain, perhaps a mini-tour,” which started around 10:50 and crossed “about 20 arteries in the south / southeast of the city,” mainly causing trees to fall. , some on top of vehicles, explained the commander of the Beja Volunteer Firefighters, Pedro Barahona.
Also a phenomenon of strong winds that occurred today in Estrada do Lau, municipality of Palmela, district of Setúbal, caused the fall of large trees and electricity poles and damaged two houses.
A source from the District Relief Operations Command (CDOS) of Setúbal said, around 2 pm, that there were no injuries or displacements.
On Saturday, and until the beginning of next week, the climate on the continent will be conditioned by a new depression that will focus on the northwest of the Portuguese territory, forecasting the occurrence of showers and the possibility of electrical storms, most likely in the North and Center, with a light to moderate wind from the west quadrant, which blows strongly in the mountains.
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