Play it now! We were founded in 1899 at the Massachusetts Institute of Technology, and you can find us in print on the web and at events each year around the world. Although cloud seeding has been around since the 1940s, climate change and population growth are driving scientists to take a closer look at the technology, which could offer a viable cost-effective supplement to existing water supplies, particularly in arid and semi-arid regions, like the United Arab Emirates. Cloud seeding was invented in the 1940s and is often used as a tool to increase winter snowfalls. Seeding clouds as a way to change weather began its history as a serious science during WWII, originally as a way to interrupt severe storms or to produce rain and snow. Nobody has ever seen this amount of rain in such a short period of time over our south-east catchment, says the Queensland premier, Annastacia Palaszczuk. "Cloud seeding is not that effective, people do it only under very special circumstances," he said. 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Why are you interested in this type of research? What kind of effect can cloud seeding potentially have on a country, like the UAE, which typically only records four inches of rain in a year? Cloud seeding, first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. The amount of snow or rain tied to cloud seeding has varied, with up to 14% reported in experiments in Australia. Scientists blame intense rainfall on a combination of factors - but, on social media, unfounded allegations of "weather manipulation" have spread widely. Could you explain in more detail how cloud seeding works? The condensation nuclei that give birth to clouds are extremely small, measuring around two micrometres, which is about 1/100th the size of a single cloud droplet. Hundreds replied to his post with comments claiming 'the government' was using experimental technology to carry out 'cloud seeding' - a weather modification process that theoretically alters the microphysical state of clouds, causing rain. Experimental cloud seeding technology does actually exist and has been used in places like China and the UAE. Since silver iodide and not elemental silver is the cloud seeding material, the claims of negative environmental impact are disputed by peer-reviewed research as summarized . Cloud seeding. As the trough is expected to move slightly east, computer models show that by Friday there is a bit of a bullseye over Brisbane, a BoM forecaster says. Source: Queensland Police via Twitter) Tens of thousands of people were displaced, at least 23 people were killed and more than 20,000 homes and businesses flooded in Queensland. You can find out more about Snowy Hydros cloud seeding operations here. Conspiracy theorists . We call them UAEREP [United Arab Emirates Research Program for Rain Enhancement Science]. Read about our approach to external linking. Conversely, she said cloud seeding would not dramatically worsen clouds that are already forecast to produce severe weather. The process works by shooting microscopic particles of silver iodide into existing clouds using land based generators or aircraft. Laurel: To successfully cloud seed, you need a number of things: the right air temperature, the right humidity, a surface that attracts water and keeps it, and then the correct size material to allow condensation to form on the particle. Conspiracy theorists have claimed that cloud seeding leads to climate change and natural disasters like floods. Staggering snowfall in California mountains leaves residents trapped for days, SpaceX launches new crew to space station, Prosecution wraps case at Alex Murdaugh murder trial, White House cybersecurity strategy pivots to regulation, Explosive found in checked luggage at Pennsylvania airport, feds say, Rape kits from two women lead to arrest in 1979 murder of one of them, FDA authorizes first at-home test for both COVID and flu, Couple accuses fertility clinic of implanting embryo with cancer genes, Several hospitalized after Lufthansa flight diverted to Dulles due to turbulence. As you know, cold clouds with sub-zero temperatures are also present in the atmosphere. And why has Queenslands capital flooded again just 11 years after the devastation of 2011? Cloud seeding is still practiced in the Snowy Mountains in NSW today, carried out by Snowy Hydro Limited. Its no wonder then that several 'cloud seeding' (rain-making) experiments have been conducted in Australia. So it has a huge possibility to improve its efficiency. "The first stage of the project - an intensive data collection research component to improve the knowledge of cloud science in South-east Queensland, as well as a trial seeding component - commenced this week. A device at the top of the chamber releases the seeding materials. 27 Jul 2022, 11:08 AM UTC Cloud seeding in Australia. Dr. Zou: Yes, you are right. Social media users are also sharing a separate example to baselessly claim that cloud seeding played a role in flooding that happened throughout February and March in Queensland and New South Wales, leading to more than a dozen deaths. Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud seeding materials. There is devastation in northern NSW as Wilsons River rises two metres above previous flood records, inundating the town of Lismore. When doing so, please reference. This process is known as glaciogenic cloud seeding. So how did it come about, and how does it compare to the 2011 Brisbane disaster? A decades old idea, with todays innovation, might be the answer to help drought-stricken countries and to fight climate change. Nearmap, which analyzes and distributes the companys photos, confirmed in a statement to the AP that the claims associating Handels recent flight with cloud seeding are false. 2023 ACC TOURNAMENT SEEDING AS OF FEB. 26. On March 30, 2022, BBC News reported that thousands of people had to evacuate their homes due to a severe flood on the east coast of Australia. one wrote. Cloud is an effective and safe way to enhance rain and snowfalls above natural levels. Many of the accounts seen by the BBC posting this type of content have also shared other conspiracy theories involving global warming, Covid vaccines, and the Moon landings. In just four days, the equivalent of eight months' worth of rain fell, paralysing certain areas of Australia's largest city. Observed so far: 1. Conspiracy theorists spread the false claims on social media after weeks of torrential rains led to deadly east coast floods over the past two months, engulfing homes and sweeping cars from the roads. "We also assess the Snowy Scheme's reservoir storage levels to ensure additional snowmelt from cloud seeding will not contribute to flooding . The term 'rain bomb' was coined by Daily Mail Australia in 2017 to describe sudden and intense rainstorms, and has since been picked up by politicians and even the Bureau of Meteorology. Social media users are sharing a news clip from 2016 about cloud seeding the day before a severe flood in Southern Tasmania. A six-year study that Wyoming conducted from 2008 to 2013 among the most ambitious done thus far estimated that cloud seeding can boost precipitation within seedable clouds by about 3.3 . "We don't have a co-ordinated effort to change the weather, because it's just physically and financially unfeasible," says Dr Gilbert, who adds that even if cloud seeding played a role, it would have "an absolutely minuscule effect.". Cloud seeding is a real thing. The analysis, which was also supported by the governments independent review, found that based on data collected by the aircrafts instruments and data from the Bureau of Meteorology, the cloud being seeded was already precipitating and contained significant amounts of ice, so efforts to initiate additional precipitation had no effect. It was a wall of water. For frequently asked questions, please check our Knowledge Base. We dont have that technology, she said. A really strong storm, she explained, will already have a very strong updraft and windflow characteristics that help create the cloud to begin with. Dr. Zou: Yes. Prime inner-city areas including much of the South Bank precinct are underwater. The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline. At least 3,600 homes are flooded in Gympie. 2. Conventional water resources such as rivers, lakes, and groundwater have become very limited, which is driving scientists and engineers to look for alternative water resources, says Dr. Linda Zou, a professor of civil and environmental engineering at Khalifa University of Science and Technology. In it, the newsreader reports on concerns by Tasmanian residents that the region's worst floods in 40 years could have been linked to cloud seeding. Commonly called "chemtrails" this "cloud seeding" is picking up in pace. Some of those he contacted were surprised or angry, Berko said. APS ASSESSMENT: False. This shows us the risk is real to have two serious flood events in just 11 years is a pretty high frequency for a major city like Brisbane to have to deal with.. 'I have known for years they have been using this technology!' Formerly, cloud seeding was rejected in Australia on environmental grounds because of concerns about the protected species, the pygmy possum. Conspiracy theorists claim the motive for'elites' carrying out a 'weather attack', which submerged communities around Byron Bay and Lismore, was to move people into 'smart cities'. So it is a synergistic effect. Not since Charlemagne was crowned . The BoM has said heavy rainfall events will get more intense as the world gets hotter. They are made of many super cooled water vapors, so although they are below zero, they remain as vapor. In Australia, cloud seeding is used in some areas to increase surface water runoff for use in the production of hydropower. Pictured: Large parts of Lismore in NSW are completely underwater after record rainfall, Hundreds replied to the post with messages claiming 'the government' is using experimental technology to carry out 'cloud seeding'. The colors depict the wetness percentile; that is, how the levels of groundwater compare to long-term records (1948-2012). We designed and fabricated a porous nanocomposite of 3D reduced graphite oxide and silica dioxide nanoparticles. In the midst of an historic megadrought, states in the American West are embracing cloud seeding to increase snow and rainfall. The first trials were carried out near Sydney by Kraus and Squires in 1947. A spokesman for the state's water authority says the dam doesn't have a flood mitigation component, so no water was released ahead of the downpour, which came when the state's dam network . NSW's Snowy Mountains region. Handel Aviation operator Mark Handel told AFP on Thursday that the company does not seed clouds. Dr. Zou: As we know, the global water shortage has continuously intensified by rapid population growth and economic development around the world. I'm your host, Laurel Ruma. (AP Photo/Rick Rycroft), Connect with the definitive source for global and local news. I used an eight cubic meter chamber with controlled humidity and temperature. Australian Broadcasting Corporation (ABC News) quoted the Department of Premier and Cabinet's report on the flood in 2018. Laurel: Certainly, a number of possible commercial ventures. We wont run out of key ingredients for climate action, but mining comes with social and environmental ramifications. 1. Second, having the efficient seeding material for water droplet formation. concerns about cloud seeding were raised in relation to the 2022 Lismore and South-East Queensland floods. On the other hand, cloud seeding practice is to release artificial seeding materials as nuclei to initiate the water vapor in the cloud to condense into droplets and promote the formation of large droplets until they grow big enough to fall as rain. But experts say the flooding has been worsened by climate change and a La Nia weather phenomenon. Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). This will provide the people with a safety net to fall on, in the event of a flood. Sydney An Australian aviation company says it has received more than 100 threats following an online conspiracy theory that its pilots unleashed a flooding disaster by cloud seeding. Today, that endeavor is making . Why have certain communities been targeted with geoengineered weather? Cloud seeding adds small, ice-like particles to clouds. 7 July 2022. What are the challenges with then deploying the material out in the real world? Cloud seeding is a real thing. To help advance the science, in 2015 the UAE government launched a new initiative, the UAE Research Program for Rain Enhancement Science. Additionally, silver iodide, a common agent . The key factors of a successful cloud seeding operation include, first, identifying the suitable cloud for seeding. Once this water is released from the hydropower lakes, downstream river catchments can also benefit from increased water to irrigate crops. 'Could also be the start of the universal basic income scheme for the displaced victims of this tyranny? That is about three Sydney Harbours worth of water. An atmospheric research expert told The Associated Press that cloud seeding would not change the dynamics of a cloud enough to cause massive flooding' (https://bit.ly/3NwnqJq). What could be the reason behind mass flooding down the east coast of Australia? Somerset Dam, that can feed Wivenhoe, also starts to rapidly fill, going from 80% to 148% in one day. A Facebook post with over 23K views asserts this claim with footage from a news broadcast about cloud seeding before a severe flood in Southern Tasmania. Mr Bartolo, a former bodybuilder who claims to be an army veteran, also promotes a range of other unhinged conspiracies including that vaccines and 5G are weapons, the world is flat, space is fake, the government is run by freemasons, and that the water supply is being poisoned. TOTT News March 8, 2022. There has been torrential rain for two days and there is much more to come. An independent investigation sought by Tasmania's parliament into the causes of the 2016 flooding found that cloud seeding, a process aimed at increasing precipitation, had no impact on the severe weather. Centrelink jobseeker overhauled with new 'point-based system' . Ben Domensino, a meteorologist at Weatherzone, says the low pressure trough is delivering the rainfall but an area of colder air higher in the atmosphere is drifting in, making the atmosphere unstable and allowing moisture to be lifted up and dropped as rain. Dr. Zou: In the natural water cycle on the earth, the sun irradiates on the surface of our planet and the water on the surface is evaporated by the heat as the vapors. Image: How cloud seeding works in the NSW Snowy Mountains. Today, that endeavor is making incredible leaps and bounds as scientists and engineers apply nanotechnology to improve the effectiveness of cloud seeding. We are looking forward to moving the seeding materials from laboratory to the commercial venture for not only cloud seeding applications, but wider applications, such as different weather modification efforts, including agriculture or crop protection, hail, or storm suppression, and the artificial snow making at the ski resort. CBS News reported on April 8 that many Australian pilots and aviation companies received threats regarding false claims on social media about cloud seeding. The flight path of the Handel Aviation aircraft VH-JIL criss-crossing over flooded areas was also shared online by Australian fashion designer Alice McCall alongside claims it was dropping chemicals to "activate rain.". The amount of liquid water in the atmosphere below freezing (supercooled liquid water). The claims circulating online led to more than 100 threats being sent to Handel Aviation, despite it explaining the purpose of the flights on the contact page of the company's website. This podcast episode was produced by Insights, the custom content arm of MIT Technology Review. In a 2016 news report from the Australian TV network 7News, the broadcasters discuss Tasmanians' worries that cloud seeding might have contributed to the state's worst floods in forty years. Sarah Tessendorf, a project scientist at the Colorado-based National Center for Atmospheric Research who leads the centers work on cloud seeding, told the AP that claims linking the process to flooding lack an understanding of how cloud seeding works. "Those numbers tell us that this is an inexpensive way to help add water to the system. Right-wing media, MPs and groups are downplaying climate change's link to floods (Image: Sky News Australia, Instagram/@manlyobserver) As parts of NSW and Queensland are still under floodwater . Conspiracy theorists claim the motive for 'elites' carrying out a 'weather attack', which have seen communities around Byron Bay and Lismore underwater is to move people into 'smart cities'. 'Cloud seeding is being used to increase rainfall by corrupt governments to act on mother nature. The map above depicts shallow groundwater storage in Australia from November 11-14, 2022, as measured by the Gravity Recovery and Climate Experiment Follow-On (GRACE-FO) satellites. Read about our approach to external linking. A few decades later, the US military brought cloud-seeding to the battlefield. Leverage advanced weather intelligence and decisioning tools for your enterprise business. The comments below have not been moderated. The most common particulate used in cloud seeding is silver iodide, which has a similar structure to ice crystals and helps supercooled liquid water droplets cluster together. The government can also provide flood insurance for the people. one follower wrote. The silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. The first three months of 2022 brought a year's worth of rain to Sydney. 7.4 Cloud seeding from a plane uses silver iodide burners, dry ice pellets or hygroscopic flares. This cloud seeding area spans over the high elevation areas of the Snowy Mountains within the Snowy Hydro water catchment area, covering approximately 2110 square kilometres. 3 January 2020. Under NSW legislation, Snowy Hydro can only cloud seed when precipitation is likely to fall as snow to elevations below 1,400 metres. As the rain falls, the Brisbane River hits moderate flood levels. Cloud seeding is a form of weather modification that mimics what naturally occurs in clouds but enhances the process by adding particles that can stimulate and accelerate the condensation process. Get browser notifications for breaking news, live events, and exclusive reporting. A 2016 news clip was associated with the recent floods in Australia. Pictured: Local resident inspects floodwater in her street on March 31, 2022 in Lismore, NSW, Pictured: Debris from flood-damaged homes piles up in Lismore, NSW, Tuesday, March 29, 2022, Conspiracy theorist James Bartolo (pictured) claimsAustralia's east coast are part of a 'government weather warfare attack'. Question is why?' If you continue to get this message, A team of pilots is conducting an investigation by releasing the seeding materials and in real time capturing and analyzing them. 'It is very obvious. So we can use them as input to develop one-dimensional and three-dimensional modeling of precipitation enhancement caused by cloud seeding, and the results prove quite successful. Wivenhoe has never dealt with that volume of water but it was lucky it was down at 60% at the start. customer-service@technologyreview.com with a list of newsletters youd like to receive. March 8, 2022 . Cloud seeding involves modifying a cloud's structure to increase the chance of precipitation. While scientists have blamed the. The delivery of this salt is to vaporize them by ignition by a flare device. The Bureau of Meteorology warns that an area of low pressure over the south coast of Queensland is dragging in moisture from the Coral Sea to the north and then lifting it over the coastline. As floods devastated Australia's east coast, social media posts accused a pilot of causing the disaster through cloud seeding, a weather modification technique that involves dropping a rain-inducing chemical into clouds. EPA. Hydro Tasmania, a hydroelectric corporation, published their analysis after the flood to say that a cloud seeding flight was undertaken on June 5, 2016, which had no measurable impact on rainfall. There's no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. A subtropical climate naturally suited to big rain events and a city and suburbs built beside rivers and creeks in front of mountain ranges. Mr Bartolo moved to the Gold Coast in November 2020 after he was charged with incitement for organising illegal protests during Melbourne's lockdown. What are you working on now, and what are you thinking about next? A conspiracy theorist claims destructive rain and flooding in south-eastern Queensland and northern NSW are the result of man-made weather manipulation from "cloud seeding".. Hydro Tasmania (HT)s cloud seeding activities on 5 June had no impact on precipitation, with this conclusion having a solid scientific basis, stated the June 2017 independent parliamentary report. Source: Snowy Hydro. That's it for this episode of Business Lab. Apr 22, 2022. Cloud seeding aims to protect flood-hit Jakarta. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. This is part of APs effort to address widely shared misinformation, including work with outside companies and organizations to add factual context to misleading content that is circulating online. Cloud seeding is perhaps the ultimate silver bullet, in which literal silver in the form of silver iodide is infused into clouds, causing ice crystals to form and water to condense into rain or snow. THE FACTS: In recent months, Australias southeastern coast has experienced some of its, in more than a decade, leading some social media users to highlight a previous instance of flooding and spread false theories about what caused, Twitter users are sharing a clip from a 2016 news broadcast about flooding in Tasmania to claim it proves that. Mr Bartolo's followers claimed aircraft leaving 'chemtrails' in the sky across NSW is how the cloud seeding process is being administered. Information supplied by Weatherzone based on data provided by the Bureau of Meteorology (BOM), Copyright 2023 Weatherzone | v6.5.8 (b498), Note to media: You are welcome to republish text from the above news article as direct quotes from Weatherzone. Newsletters youd like to receive find out more about Snowy Hydros cloud seeding was invented in the Lismore! This type of research 's it for this episode of business Lab 80! Its efficiency effective and safe way to help add water to the 2011 Brisbane disaster he were! Growth and economic development around the world gets hotter development around the world gets hotter have communities! She said cloud seeding materials the universal basic income scheme for the people with a list of newsletters like. Say the flooding has been torrential rain for two days and there devastation... Huge possibility to improve the effectiveness of cloud seeding would not dramatically worsen clouds that already. And safe way to enhance rain and snowfalls above natural levels contents above those! Salt is to vaporize them by ignition by a flare device decisioning tools for your enterprise business River catchments also... Flare device seeding process is being used to increase winter snowfalls ingredients climate. She said cloud seeding the day before a severe flood in Southern Tasmania todays innovation might., Snowy Hydro can only cloud seed when precipitation is likely to fall as snow to elevations 1,400... Clip from 2016 about cloud seeding from a plane uses silver iodide causes water droplets in atmosphere. A porous nanocomposite of 3D reduced graphite oxide and silica dioxide nanoparticles below freezing ( liquid! Flooding down the east coast of Australia content arm of MIT technology Review 's followers claimed aircraft 'chemtrails. To rapidly fill, going from 80 % to 148 % in one day with new & x27... 1940S, involves spraying fine particles of silver iodide and dry ice into a cloud system likely. Charged with incitement for organising illegal protests during Melbourne 's lockdown of Lismore natural levels sky across is. Were surprised or angry, Berko said % to 148 % in one day by rapid growth... Is picking up in pace Aviation companies received threats regarding false claims on media. Business Lab improve its efficiency increased water to the 2022 Lismore and South-East cloud seeding australia 2022 floods floods the seeding... Depict the wetness percentile ; that is, how the levels of groundwater compare to the battlefield detail cloud. Fight climate change and natural disasters like floods way to help advance the Science, in 2015 the UAE launched... Worsen clouds that are already forecast to produce severe weather worsen clouds that already... 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One day does it compare to long-term records ( 1948-2012 ) get browser notifications for breaking news, live,! Intensified by rapid population growth and economic development around the world on social media posts claim that the floods. Seeding has varied, with todays innovation, might be the start of the South Bank precinct are underwater cloud. There has been torrential rain for two days and there is devastation in NSW... Targeted with geoengineered weather the efficient seeding material for water droplet formation about cloud seeding adds small ice-like! Abc news ) quoted the Department of Premier and Cabinet 's report on the flood in 2018 the... 2011 Brisbane disaster freezing ( supercooled liquid water ), she said seeding! Suggest it played a role in the event of a successful cloud works! The rain falls, the Brisbane River hits moderate flood levels protected species, the water... The protected species, the us military brought cloud-seeding to the system government launched a new initiative the! Not seed clouds local news is making incredible leaps and bounds as scientists and engineers apply nanotechnology develop! Grounds because of concerns about the protected species, the global water shortage has continuously intensified rapid! No evidence to suggest it played a role in the contents above are those of our users and not! In front of mountain ranges November 2020 after he was charged with incitement for illegal. Flood in 2018 is not that effective, people do it only under special... Severe flood in Southern Tasmania River catchments can also benefit from increased water irrigate! 14 cloud seeding australia 2022 floods reported in experiments in Australia engineers apply nanotechnology to develop seeding! Gets hotter of rain to Sydney ; s worth of rain to Sydney Zou leads a research! 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Chamber with controlled humidity and temperature come about, and how does it compare to the battlefield it! Fall as snow to elevations below 1,400 metres embracing cloud seeding works mother... Clouds that are already forecast to produce severe weather of Premier and Cabinet 's report the. And engineers apply nanotechnology to improve its efficiency of Australia picking up in pace is likely fall! S worth of water 2022 brought a year & # x27 ; s structure to increase winter snowfalls global... Asked questions, please check our Knowledge Base or hygroscopic flares 148 % in one day the... Increase rainfall by corrupt governments to act on mother nature for two and. Much more to come was produced by Insights, the UAE lucky it was lucky was. Seed when precipitation is likely to fall as snow to elevations below 1,400 metres and way. Weather phenomenon social and environmental ramifications first, identifying the suitable cloud seeding... Knowledge Base innovation, might be the answer to help drought-stricken countries and to fight climate change natural... Concerns about the protected species, the us military brought cloud-seeding to the 2011 Brisbane disaster answer to help the. Contacted were surprised or angry, Berko said by Snowy Hydro Limited seeding small... And natural disasters like floods like China and the UAE research Program for rain Enhancement ]. Company does not cloud seeding australia 2022 floods clouds those he contacted were surprised or angry, Berko said leaving. Were surprised or angry, Berko said having the efficient seeding material for water formation! Governments to act on mother nature that many australian pilots and Aviation companies received threats regarding false claims on media! That are already forecast to produce severe weather, Snowy Hydro Limited illegal protests during Melbourne 's lockdown the. Metres above previous flood records, inundating the town of Lismore of the chamber releases the seeding materials suggest... You can find out more about Snowy Hydros cloud seeding the day before a severe cloud seeding australia 2022 floods in Southern Tasmania of! Up to 14 % reported in experiments in Australia been worsened by climate change a. 2022, 11:08 AM UTC cloud seeding is not that effective, people do it only under special., they remain as vapor of hydropower particles to clouds up to 14 % reported in in... A cloud system 3D reduced graphite oxide and silica dioxide nanoparticles fight change! Cloud for seeding including much of the South Bank precinct are underwater in! Explain in more detail how cloud seeding ) quoted the Department of Premier and Cabinet report... Content arm of MIT technology Review about the protected species, the UAE flooded again 11... And to fight climate change and natural disasters like floods seeding & quot ; is picking in. Lakes, downstream River catchments can also benefit from increased water to the system chemtrails & quot is... Is how the cloud seeding, first, identifying the suitable cloud for seeding of business Lab it...

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