Making it rain: Inside the United Arab Emirates' cloud-seeding programme • FRANCE 24 English

Key Concepts

• Cloud Seeding
• Artificial Rain Triggering
• Salt-based Compound
• Sodium Particles
• Water Vapor Attraction
• Rainfall Enhancement
• Water Table Recharge
• Drought Mitigation
• Soft Power
• Water Diplomacy
• Seawater Desalination

Cloud Seeding Operations in the UAE

The United Arab Emirates (UAE) is actively engaged in cloud seeding operations, a method designed to artificially induce rainfall. These operations are conducted from air bases in the desert, with pilots like Ahmed playing a crucial role.

Methodology and Process

1. Preparation and Inspection: Pilots conduct thorough inspections of specialized cartridges loaded with a salt-based compound. These cartridges are essential for the cloud seeding process. Ahmed emphasizes ensuring the cartridges are "properly closed and connected to the electrical cables."
2. Ignition System: The system works with an ignition mechanism that facilitates the injection of sodium into the clouds.
3. Flight and Deployment: Jets equipped with these cartridges on their wings are deployed. As they encounter clouds, they release sodium particles.
4. Mechanism of Action: The released sodium particles are designed to attract water vapor within the clouds, with the ultimate goal of forming raindrops.
5. Timing and Cloud Dynamics: Pilots must act swiftly, as cloud masses can dissipate quickly. The transcript highlights the urgency, stating, "Ahmad has very little time before the cloud masses dissipate. The slices delay could ruin the operation."
6. Monitoring and Decision Making: The National Meteorological Center plays a vital role in analyzing weather patterns for up to five days in advance. They use radar to track air currents and identify suitable cloud formations. The center provides pilots with coordinates for their targets. The director of the center explains, "Here you can see the cloud is rising in altitude, meaning it's active. And we can carry out a seating operation because it will help increase rainfall."
7. Post-Operation Assessment: After the mission, pilots return to base. The success of the operation is then observed, with Ahmed expressing pride, "The rain's starting. It's the cloud we seeded. And now we can see the result."

Scale and Investment

• The UAE organizes approximately 400 cloud seeding flights annually.
• The government has invested over 19 million euros in this field over the last decade.
• This investment includes grants for 800 researchers globally.
• The authorities aim to increase annual rainfall by at least 5% through this technique.

Context and Motivation

• Drought and Water Scarcity: The UAE experiences less than 100 mm of rainfall annually, and the current year is noted as one of the driest on record. Cloud seeding is a strategy to combat this scarcity.
• Water Table Recharge: The operations aim to "recharge the water table and ensure not a single drop goes to waste."
• Infrastructure: To manage rainfall, 150 dams have been constructed across the UAE.
• Public Reception: Torrential rains resulting from these efforts are welcomed, with "stormchasers" becoming popular on social media. Authorities have even requested prayers for rain in mosques.

Technical Aspects and Scientific Basis

• Salt-based Compound: The cartridges contain a salt-based compound, which is crucial for the seeding process.
• Sodium Particles: The release of sodium particles is the active agent in attracting water vapor.
• "God-given Science": The process is described as "not magic. It's a god-given science," emphasizing its scientific foundation.
• Research and Development: The director of the National Meteorological Center states that it is a "niche field which requires a lot of research. There are no limits. The sky is the limit."

Soft Power and International Relations

• Diplomatic Tool: Cloud seeding is presented as a form of "soft power" for the UAE, positioning them as leaders in cutting-edge technology.
• Regional Water Challenges: This is particularly relevant in a region facing declining water access.
• Water Diplomacy and Legal Issues: Dr. Naji Abi Chedid, a specialist in water resources at the Lebanese American University, raises concerns about the diplomatic implications. He notes, "If I see the cloud and it rains over my land, it means countries downstream will not be getting the clouds or the enriched clouds that I captured. So, they will get less rain." This leads to questions of ownership and legal frameworks: "who owns the clouds, what is the legal question? So, this is setting up legal uh questions and issues that need to be addressed uh amongst governments."

Limitations and Alternatives

• Limited Solution: Cloud seeding is acknowledged as a "limited solution in the Emirates," providing only a quarter of the country's water needs.
• Seawater Desalination: The primary source of water remains seawater desalination, which is described as "more efficient but also more expensive and energy-intensive."

Notable Quotes

• Ahmed: "I'm ensuring the cartridges are properly closed and connected to the electrical cables."
• Ahmed: "It works with an ignition system which allows sodium to be injected into the cloud."
• Ahmed: "We were lucky. Thank God. The rain's starting. It's the cloud we seeded. And now we can see the result. It's our pride and joy. The government invested in it. And now you can see the results. It's not magic. It's a god-given science."
• National Meteorological Center Director: "Here you can see the cloud is rising in altitude, meaning it's active. And we can carry out a seating operation because it will help increase rainfall."
• National Meteorological Center Director: "It's a niche field which requires a lot of research. There are no limits. The sky is the limit. We're very keen to share our expertise and techniques with other countries around the world, specifically with countries that are also experiencing drought and need access to water."
• Dr. Naji Abi Chedid: "If I see the cloud and it rains over my land, it means countries downstream will not be getting the clouds or the enriched clouds that I captured. So, they will get less rain."
• Dr. Naji Abi Chedid: "Those that have money versus those that don't have money. who owns the clouds, what is the legal question? So, this is setting up legal uh questions and issues that need to be addressed uh amongst governments."

Conclusion

The UAE's cloud seeding program represents a significant investment in artificial rain generation, driven by the urgent need to address water scarcity in a desert environment. The program employs a scientifically grounded methodology involving specialized cartridges and sodium particle release to enhance rainfall. While successful in contributing to water resources and serving as a tool for soft power, it is recognized as a supplementary solution, with seawater desalination remaining the primary water source. The program also raises complex international legal and diplomatic questions regarding transboundary water resources.