However, when you compare the costs, cloud seeding in the UAE costs far less than desalination.
You may call it cloud seeding, artificial rain or rainmaking, but not many people actually know how it works or why it’s done. So far, this method has been tested in the northern and eastern regions of the UAE. Yes, it’s true.
The initiative was launched and has been operational for over two decades now. In case you’re wondering how is cloud seeding done in the UAE, there are three different procedures. According to the UN, about 14 per cent of the world population will face water scarcity by the year 2025. Lately, the NCM is experimenting with a new cloud seeding method that involves nano-technology. In some countries they’re using rockets, but we’re not using that for safety reasons.”That said, the operation is not limited to Al Ain as the planes go around the country wherever there are suitable clouds detected by the radars.Cloud seeding has various purposes: Some countries resort to it to suppress hail formation to save potential crops and property from damage, dissipate fog, alter hurricanes and even decrease chances of lightning.For the UAE, it is a means to boost rain to benefit farmlands, increase water supply and recharge underground water like in wells – all of these help ease the effects of long dry spells that the country naturally experiences.It is estimated that cloud seeding operations can boost rainfall in the country by anywhere from ten to 35 percent.“We do monitoring and cloud seeding operations all year round,” says Sufian Farrah, meteorologist and cloud seeding expert at NCMS.“But the middle of July and September is when we do more operations, about four days a week, because there’s a higher frequency of amenable clouds that are likely to react to these operations during the summer season.”The agency conducted 242 cloud seeding operations in 2017 alone, an increase from the 177 in 2016.As to whether the method might carry potential environmental risks and long-term weather disruptions, Sufian says: “To be clear, we’re not creating rain but just enhancing or helping speed up the process for these rain-carrying clouds.”He also says that the after-rain effects can help cleanse the atmosphere.For all its hype, cloud seeding is not a perfect science and experts continue to debate on its effectiveness in actually boosting rain output.Even NCMS admits that it has no way of accurately telling whether a rainfall is directly caused by its cloud seeding operations or just a natural occurrence.
Sometimes heavy rainfalls lead to slight inconveniences in everyday life, but as long as you know – you can keep yourself and those around you safe. Cloud seeding is not a new practice in the UAE. These flares are released into the clouds where they accelerate condensation, forming water droplets weighing enough to create rainfall. For cloud seeding in the UAE, the National Centre of Meteorology (NCM) targets the dense clouds moving over the Arabian Gulf, in an attempt to increase rainfall yield by at least 15 per cent.The second of the two methods of cloud seeding used in the UAE is the weather modification system. The October seeding operations alone helped the UAE collect 6.7 million cubic metres of water in reserve. Since the first project in February 1982, which covered a 7,000km stretch of desert, NCMS has been gradually carrying out operations throughout the country since the early 2000s.“The goal is of course to extract more rain from the clouds, and we’ve continuously conducted many studies to validate the benefits from these operations,” Omar Al Yazeedi, director of research, development and training at NCMS, tells us.Cloud seeding is a form of weather modification that enhances the amount of precipitation in clouds.Here in the UAE, Beechcraft C90 King Air planes are deployed to spray the atmosphere with salt crystals mixed with potassium, sodium chloride and magnesium.These particles then form ice crystals that are too heavy to remain suspended in the air, causing them to fall and melt on the way down to become rain.For the crew at NCMS, starting the process by monitoring the clouds through satellite and radar images can start as early as 4am.Upon determining the type of clouds (usually cumulus) with the best rain potential, the team then radio pilots on standby in a base in Al Ain to carry out the actual operation.A single operation involves around three or four people working on the ground and in the air, and may take between two to three hours to be completed, depending on the number of targeted clouds.“The window for this operation is very small. Clouds in the atmosphere have two masses of air – the upper draft and the lower draft. Cloud seeding operations came under scrutiny in the United Arab Emirates (UAE) last week after heavy rainfall struck the desert nation and caused flooding in Dubai's largest luxury shopping mall.
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