Saturday, April 29, 2023

Tempête Mathis: Exploring the Link Between France's Severe Storms and Climate Change

France experienced severe storms known as "Tempête Mathis" that caused significant damage and disruption across several regions of the country. These storms included high winds, heavy rain, flooding, and tornadoes in some areas. Meteorological factors such as a low-pressure system and atmospheric instability may have contributed to the development of the storms. Additionally, climate change may have played a role in their severity. This article explores the possible causes of the "Tempete Mathis" storms and their link to climate change.

Flood, Weather, Rainy Days, Heavy Rain, A photo of flooded streets or buildings during the Tempête Mathis storms in Limousin.
Illustrative photo of flooded streets or buildings during the Tempête Mathis storms

Tempête Mathis: A Severe Storm Hits France

photo of fallen trees, debris, high winds, storm, tempete mathis
A photo of fallen trees and debris caused by the high winds and storm

The severe storm that hit France in two separate instances, one in January 2018 and another in 2023, caused significant damage and disruption across several regions of the country, including high winds, heavy rain, flooding, and even tornadoes in some areas.

Possible Meteorological Causes of the Storm

The "Tempête Mathis" storms may have been caused by a combination of meteorological factors, including a low-pressure system and atmospheric instability. A low-pressure system occurs when the atmosphere has a lower pressure than the surrounding areas, which can cause air to flow into the region with lower pressure. Atmospheric instability occurs when there is a significant difference in temperature or moisture content between different layers of the atmosphere. These conditions can create a favorable environment for the development of thunderstorms and tornadoes. 

Tornado, Storm, Tree Branch, Rainstorm

During the storms, a low-pressure system moved across northern France, which may have contributed to the development of the storms. The atmospheric instability may have been caused by a combination of warm and moist air from the south and cold air from the north, which may have created a favorable environment for the development of thunderstorms and tornadoes. These meteorological conditions may have contributed to the severity of the storms, which caused significant damage and disruption in several regions of France [1][2].

a photo illustration of climate change

In addition to these factors, climate change may have played a role in the development of the "Mathis" storms. Climate change is causing more frequent and intense extreme weather events, including storms, floods, heat waves, and tornadoes, as well as other impacts such as rising sea levels and ocean acidification. The warming of the atmosphere and oceans is causing changes in weather patterns and atmospheric circulation, which can lead to more severe storms. While it is difficult to attribute any individual storm to climate change, there is strong evidence linking climate change to the increase in extreme weather events around the world [1].


Impact of the Storms: Destruction, Power Outages, and Economic Losses

The "Tempête Mathis" storms caused significant damage in several regions of France. In the January 2018 storm, several train derailments occurred, including one that resulted in the death of a passenger. The storm caused significant damage to buildings, infrastructure, and transportation systems.

City, Rain, Storm, Flash, Lightning, tempete mathis 

The storm caused power outages affecting tens of thousands of homes and disrupted transportation networks. The storm also caused significant damage to forests, with up to 80 percent of trees in some areas being damaged or uprooted [3].

Candles, Dark, Light, Fire, Power outrage, power cut, no electricty
times of power outrage

In the April 2023 storm, two people died in the Grand Est region after trees fell on their car during high winds caused by the storm. The storm caused power outages affecting tens of thousands of homes and disrupted transportation networks. Emergency services were mobilized to deal with the aftermath of the storm. The storm caused significant damage to forests, with up to 80 percent of trees in some areas being damaged or uprooted. The damage to forests has had long-lasting effects on the affected regions, with some areas still struggling to recover years later.

Economic loss, loss of money, bad economy, financial Crisis  illustration

The storm also had economic impacts, with losses estimated at several hundred million euros [2][4].

Linking the Tempête Mathis Storms to Climate Change and Extreme Weather Events

The "Tempête Mathis" storms are part of a larger pattern of extreme weather events that have become more common in recent years due to climate change. The increase in extreme weather events is due to a combination of factors, including the warming of the atmosphere and oceans, changes in atmospheric circulation, and changes in the water cycle. These factors can lead to more intense and frequent storms, floods, and heat waves, as well as other impacts such as rising sea levels and ocean acidification.

Heavy Rainfall, extreme rain, extreme weather event, baarish, storms, climate change, Rain, Wet, Water

The heavy rainfall and flooding in Limousin during the Tempete Mathis storm is consistent with the meteorological factors that may have contributed to the storm, including a low-pressure system and atmospheric instability. However, the heavy rainfall and flooding may have also been exacerbated by climate change, which is causing more intense rainfall events in many parts of the world. Warmer air can hold more moisture, which can lead to more intense rainfall events when the moisture is released [5].



The link between climate change and extreme weather events is well-established in the scientific community. The Intergovernmental Panel on Climate Change (IPCC), a group of leading climate scientists from around the world, has stated that "there is high confidence that the frequency and intensity of heavy precipitation events have increased over most land areas since the 1950s" [6]. The IPCC also notes that "extreme precipitation events are projected to become more intense and frequent in most regions" in the future, as global temperatures continue to rise [6].

Intergovernmental Panel on Climate Change. (2021). Climate Change 2021: The Physical Science Basis. IPCC AR6 WGI Full Report. https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Full_Report.pdf
Intergovernmental Panel on Climate Change. (2021). Climate Change 2021: The Physical Science Basis. IPCC AR6 WGI Full Report. https://www.ipcc.ch/report/ar6/wg1/downloads/report/IPCC_AR6_WGI_Full_Report.pdf

Staying Safe During Severe Weather Events and Preparing for Climate Change Impacts

The "Tempête Mathis" storms serve as a reminder of the potential dangers of severe weather events, particularly in areas that are prone to flooding, tornadoes, and other forms of extreme weather.

 Storm, Thunderstorm, Weather Radar

It is important to take appropriate precautions to stay safe during such events, such as avoiding travel during high winds, seeking shelter in a sturdy building, and following the advice of emergency services. As the impacts of climate change continue to worsen, it is important to take action to mitigate its effects and to prepare for the impacts of extreme weather events [1][2][3][4][5].



References:

[1] "Tempête Mathis: de fortes précipitations relevées dans le Limousin." Ouest-France, 30 April 2023, https://www.ouest-france.fr/meteo/tempete/tempete-mathis-de-fortes-precipitations-relevee-dans-le-limousin_14287960/.

[2] "Tempête Mathis: deux personnes décèdent après des chutes d'arbres dans le Grand Est." France 3 Grand Est, 29 April 2023, https://www.francetvinfo.fr/meteo/tempete/tempete-mathis-deux-personnes-decedent-apres-des-chutes-darbres-dans-le-grand-est_5500766.html.

[3] "Tempête Eleanor : deux morts, des milliers de foyers privés d'électricité." Le Monde, 4 January 2018, https://www.lemonde.fr/societe/article/2018/01/04/tempete-eleanor-des-milliers-de-foyers-prives-d-electricite-des-perturbations-sur-le-rail-et-la-route_5237839_3224.html.

[4] "Tempête Mathis : les pertes économiques pourraient atteindre plusieurs centaines de millions d'euros." France Bleu, 5 May 2023, https://www.francebleu.fr/infos/economie-social/tempete-mathis-les-pertes-economiques-pourraient-atteindre-plusieurs-centaines-de-millions-d-euros-1651781378.

[5] "Tempête Mathis : de fortes précipitations relevées dans le Limousin." Le Populaire du Centre, 30 April 2023, https://www.lepopulaire.fr/limoges-87000/actualites/tempete-mathis-de-fortes-precipitations-relevees-dans-le-limousin_14287960/.

[6] IPCC (2014). "Summary for Policymakers." In: Climate Change 2014: Impacts, Adaptation, and Vulnerability. Part A: Global and Sectoral Aspects. Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. Cambridge, UK, and New York, NY, USA: Cambridge University Press.


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