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This high-risk meteorological situation for the Autonomous Region of Madeira has been anticipated for many days. The rapid evolution of an Atlantic depression system, located southwest of mainland Portugal and now located north of the island of Madeira, gave rise to the Clemente depression., an adverse meteorological phenomenon named yesterday afternoon by the IPMA (Portuguese Institute of the Sea and Atmosphere).
This is the third depression officially appointed to 2020/2021 season that appears in the official storm table of the national meteorological services in southwestern Europe.
In this satellite image, the water vapor channel shows us the depression #Gracious with a practically organized structure, similar to a subtropical cyclone
Has been affecting #Azores, and between today and Tuesday, its nucleus will go directly to #Madeira ️ pic.twitter.com/oRKOadJgOH
– Measured | Tempo.pt (@MeteoredPT) November 29, 2020
In just over 2 weeks the formation and development of the second powerful Atlantic storm that appears next to the Autonomous Region of Madeira takes place. One of the most obvious differences between the subtropical cyclone Theta and the Clemente depression is that, this time, the archipelago of Madeira will be right in the middle of the storm.
Lots of rain and strong southwest wind
Some lines of instability associated with this Atlantic depression have already been affecting mainland Portugal throughout Saturday, but the core of this storm will focus mainly on the Madeira archipelago.. The southwest winds will blow with great force, gusts exceeding 100 km / h in some places on the island of Madeira, such as Calheta, Ribeira Brava, Funchal and São Vicente. At times, they may occasionally reach the 115 kilometers per hour.
Depression #Gracious will leave a strong southwest wind in #Madeira, tomorrow will be the most critical day of your step ️
In areas of the island such as Calheta, Ribeira Brava, Funchal and São Vicente the maximum gusts of wind can exceed 100 km / h
Notices: https://t.co/EAcoXRh5Fg pic.twitter.com/hn85Liryei
– Measured | Tempo.pt (@MeteoredPT) November 29, 2020
The entire island will be under the influence of this powerful low pressure system. Very cloudy skies and rains in general are expected to fall in a weak to moderate regime. December 1 precipitation can begin to fall in a strong regime. They are also formed favorable conditions for thunderstorms. The most critical day of Clemente’s depression will be tomorrow, November 30.
Risks and dangers associated with the Clemente pass
The potential effects of this Atlantic storm, which in recent hours has left a lot of instability in the Azores islands, are the occurrence of floods and rapid floods, the fall of infrastructure, the felling of trees and possible material or personal damage and landslides.
The agitation of the sea integrates the dangers inherent in the passage of the Clemente depression, the waves can reach a maximum height of 5 to 6 meters during some hours of the day 30
The waves of the sea are another of the dangers inherent in displacing this Atlantic depression. During some hours of the 30th, the waves can reach a maximum height of 5 to 6 meters, decreasing with the hours, to 3 or 4 meters.. The adverse weather will remain present for the next few days. If you live in Madeira, be very careful with this situation!
Follow the evolution of this storm in detail and update yourself on the forecasts, using our section of news, maps and models, satellite and radar images. Never stop asking us here at Meteored.
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