Review of the Torrential Rains on September 4, 2024
Introduction
The Old Port of Marseille experienced spectacular flooding on Wednesday, September 4, 2024. Within a few hours, torrential rains transformed this historic site into a basin of water. This event highlights the vulnerability of urban infrastructures to climatic hazards. In this article, we will explore the details of this episode, its impacts on the city, and the measures to consider for the future.
Analysis
The rains on September 4 reached exceptional intensity. Indeed, precipitation reached up to 100 mm in some parts of Marseille. Notably, between Cayolle and Sormiou, the city center, including the Old Port, received between 50 and 70 mm in 1.5 hours. This situation caused rapid and massive flooding. It led to the closure of several roadways, including the Prado Carénage tunnel. Additionally, it disrupted traffic. The Prefect of Bouches-du-Rhône, Christophe Mirmand, called for vigilance. He emphasized the need for residents to remain cautious. Indeed, Météo France declared an orange alert. This alert remained in effect until the following morning. Due to the persistence of storms, the risk of flooding continued.
What are the impacts and consequences?
The floods caused major disruptions in transportation. Indeed, they led to traffic jams and road closures. Moreover, they affected the local economy, particularly the businesses in the Old Port. These businesses suffered significant material damage. Furthermore, the floods led to the cancellation of the first evening of the Delta Festival, a major event for the city.
The most affected areas
- Old Port of Marseille
- Marseille city center
- Prado Carénage tunnel
- Southern neighborhoods of Marseille (Cayolle, Sormiou)
- Prado beaches (site of the Delta Festival)
Sources of the article
- Ouest-France: 4/5 – Precise information on precipitation and local impacts.
- Libération: 5/5 – Details on security measures and road closures.
- France Bleu Provence: 4/5 – Local testimonies and interventions by authorities.
- BFMTV: 4/5 – Live coverage of events and weather alerts.
- Le Parisien: 3/5 – General information on weather conditions.
In conclusion
This episode of flooding at the Old Port of Marseille highlights the urgency of developing resilient infrastructures. The events of September 4, 2024, exposed the city’s vulnerabilities. They underscore the importance of prevention. Local authorities and citizens must collaborate to improve drainage systems. They must adopt effective protective measures. By reflecting on these challenges, we can reduce the impacts of future storms.
Solutions to protect against floods
- Install removable barriers: These devices protect building entrances from water intrusion.
- Improve urban drainage systems: Investing in infrastructures manages large volumes of water.
- Create buffer zones: Green spaces or retention basins absorb excess water.
- Raise public awareness: Educating citizens on safety measures to take in case of flooding.
- Plan adapted urbanization: Integrating flood risks into urban development minimizes future impacts.
