Tuesday, March 7 (First round) Game 1: (12) Virginia Tech vs. (13) Georgia Tech | 2 p.m. | ACC Network . This process is known as glaciogenic cloud seeding. Ouse in the Derwent River catchment was one of the hardest hit areas in this week's floods. Business owners in central Gympie scramble to get stock out of their stores and residents prepare to evacuate. Some of the natural sources include bushfires, volcanoes and dust storms, while artificial sources of condensation nuclei include industry emissions and cloud seeding operations. In Australia, cloud seeding is used in some areas to increase surface water runoff for use in the production of hydropower. They vary in size. Under NSW legislation, Snowy Hydro can only cloud seed when precipitation is likely to fall as snow to elevations below 1,400 metres. April 8, 2022 / 6:52 AM / AFP . The show that helps business leaders make sense of new technologies coming out of the lab and into the market place. Cloud seeding programs in the upper Colorado River Basin, for instance, cost around $1.5 million each year. Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud seeding materials. Personalise your weather experience and unlock powerful new features. 'The Gold Coast and surrounds is currently under a government weather warfare attack,' he told his army of devoted followers. My research work has been supported in their first cycle and received excellent worldwide exposure. 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.. FILE - Buildings are surrounded by flood waters in Londonderry on the outskirts of Sydney, Australia, Thursday, March 3, 2022. It has been used in Australia intermittently since 1947. Australian National Review is Australia's first real free and independent press, one with no editorial control by the elite, but a publication that can generate critical thinkers and critical debate and hold those . "Those numbers tell us that this is an inexpensive way to help add water to the system. Cloud seeding adds small, ice-like particles to clouds. A pilot from Handel Aviation in Cessna 210N Centurion VH-JIL did a breakfast time cloud seeding run over Lismore South & Ballina today while sightseeing the massive flood below him, the post claimed without evidence, adding the names and contact information of employees at the company. Copyright 2023 CBS Interactive Inc. All rights reserved. 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.. one follower wrote. A really strong storm, she explained, will already have a very strong updraft and windflow characteristics that help create the cloud to begin with. 'Moving people into so-called 'smart cities' is likely, I think, considering the World Economic Forum openly talks about these things. All Rights Reserved. Climatology and Geophysics Agency BMKG said the great flood that hit Jakarta in early 2020 was "one of the most extreme rain events" since . At the moment, I'm working collaboratively on a project to evaluate the effects of these materials in the open air. The 'ice embryos' interact with the surrounding water droplets, and eventually grow to snowflakes. 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. The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline. Feast to Famine: Mass Floods and Australia's High-Speed Rail. This material can initiate ice nucleation followed by rapid growth starting from a temperature of minus 80 degrees. We dont have that technology, she said. This is done by firing small particles (usually silver iodide) into clouds . Once such cloud encounters the ice nucleation particles, they rapidly form a large number of ice crystals and bypass the liquid water phase. out 'cloud seeding' - a weather . These images are used to assess the damage caused by recent weather events.. The global water shortage has continuously intensified by rapid population growth and economic development around the world. 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. After cloud seeding activities were carried out to bring precipitation, some parts of China's Chongqing welcomed long-awaited rains recently, but experts warned that the city and the region should prepare for possible flooding and landslides. 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. Laurel: That was Dr. Linda Zou, a professor of civil and environmental engineering at Khalifa University of Science and Technology, who I spoke with from Cambridge, Massachusetts, the home of MIT and MIT Technology Review, overlooking the Charles River. 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. 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. We designed and fabricated a porous nanocomposite of 3D reduced graphite oxide and silica dioxide nanoparticles. Cloud seeding involves modifying a cloud's structure to increase the chance of precipitation. Cloud seeding is the process of artificially generating rain by implanting clouds with particles such as silver iodide crystals. Cloud seeding has strict requirements. Today, that endeavor is making incredible leaps and bounds as scientists and engineers apply nanotechnology to improve the effectiveness of cloud seeding. She was awarded a grant by the UAE Research Program on rain enhancement science from 2016 to 2019. (AP Photo/Rick Rycroft), Connect with the definitive source for global and local news. "These aerial captures are commissioned after major weather catastrophes and natural disasters, including following the recent east coast flooding," the NearMap spokesman said. Pictured: Local residents wade through floodwater in Lismore, NSW. The PUB should constantly monitor the weather patterns and warn the people when a flood is about to occur. 3 January 2020. Smart Cities World Forum. This show is available wherever you get your podcasts. It was not written by MIT Technology Reviews editorial staff. Since the 1940s, scientists have studied ways to increase rainfall with the goal of increasing precipitation in arid and semi-arid climates. The flight was collecting images for aerial maps provided to Australian mapping company NearMap, he said. Australia floods: Nearly a metre of rain in just four days. 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.". Large areas of south-east Queensland are placed under a warning for intense rainfall and thunderstorms that will cause flooding. The key factors of a successful cloud seeding operation include, first, identifying the suitable cloud for seeding. Cloud seeding is a form of weather modification that has been around since the 1960s, and has been used repeatedly in some places, like Wyoming and Colorado. 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. This material may not be published, broadcast, rewritten, or redistributed. Where did it go wrong. Dr. Zou: Yes, you are right. Dr. Zou: Yes. NearMap confirmed to AFP the photos taken by Handel Aviation were commissioned to map disaster-affected areas for insurers and emergency services. Image: How cloud seeding works in the NSW Snowy Mountains. Why Is the Government Cloud Seeding in NSW's Over the Areas That Have Just Been Ravaged by Floods? La Nia events can influence weather in different ways across the . Scientists blame intense rainfall on a combination of factors - but, on social media, unfounded allegations of "weather manipulation" have spread widely. There's no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. 'If you also know this, comment on your awareness of unnatural weather below. AP'S ASSESSMENT: False. 'I've been in Wagga Wagga for the last four days and the amount of chemtrails in the sky above the Riverina region is beyond comprehension,' the person commented. Unattached supercooled water vapour molecules in the clouds condense around these particles. Greta Thunberg joins activists' protest against a wind farm in Norway, Stronger hurricanes threaten homes even away from the coasts, Venice canals run dry as lingering weather system impacts tide cycles, Climate change is making winter weather warmer and "weirder". The first cloud seeding trials were carried out by Kraus and Squires (1947) near Sydney. What are the challenges with then deploying the material out in the real world? Cloud seeding aims to protect flood-hit Jakarta. After extensive testing, the CSIRO has determined that cloud seeding is unlikely to be effective in much of Australia. Cloud is an effective and safe way to enhance rain and snowfalls above natural levels. The comments below have not been moderated. Try refreshing this page and updating them one It never developed in . more time. Why doesn't Australia use the cloud seeding method? There was a high degree of luck in terms of where we started from [with Wivenhoe Dam], he says, adding that the climate crisis will only raise the risk of future events. 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. Like: 'we have the pilots' names, we know where you live, you're going to pay for this,' kind of stuff," Handel told AFP. Snowy Hydro also has other criteria for cloud seeding which includes; In addition to these atmospheric conditions, Snowy Hydro also takes into account the amount of water already in the landscape. 'It is very obvious. There are scenes of devastation in low-lying suburbs, along creeks, and in the river itself where pontoons break free and ferry terminals are littered with smashed boats and debris. Archives of Handel Aviations website dating back to 2008 show that cloud seeding services have never been mentioned or offered on its site and there is no evidence that the company has been involved with the process. Cloud seeding: Making rain in desert. 2023 BBC. 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. Then we can later analyze at what stage the droplets formed and at what number and size of the droplets. In the 1950s, another scientist named Bernard Vonnegut proposed his cloud seeding idea in which he noted that clouds need other particles like bacteria or algae to produce precipitation. Dr. Zou: Yeah. As the rain falls, the Brisbane River hits moderate flood levels. She added at $28-$34 per acre foot, cloud seeding is relatively cheap. So far, there are no reports of cloud seeding or floods in Tasmania in 2022. Handel Aviation posted a statement in response calling the claims misinformation and denying that it conducts cloud seeding flights, stating that it only operates an aerial photography aircraft. Ice nucleation is important. Laurel: Although cloud seeding has been around for decades, how does today's technology move it toward a greater success rate? Mar 27, 2022 Cloud Seeding, . Adkins said the crew involved in the seeding reported some effect . To "seed" cloud formation, a small aircraft releases a cloud of particulate matter. BBC. Dr. Zou: It is a challenge area and I have collaborated with the Cloud Microphysics Modeling International team. Cloud seeding can use either ground based generators and / or aviation for operations. 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. 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. How do those compare to cloud seeding materials? 2022 . In the U.S., studies have found a few percentage points of increase in precipitation. Apr 22, 2022. Dr. Zou: The cloud chamber is a three-dimensional experimental environment. Cloud seeding was first trialled in Australia in 1947 when the CSIRO got up in a light plane and released crushed dry ice into promising-looking clouds. Our topic today is cloud seeding to increase rainfall. Here are the tales of two unsuccessful Queensland rainmaking experiments -Brisbane, 1882 Advertisement, The Brisbane Courier, January 31, 1882In January . . Get in touch. Silver iodide is an ice-forming agent, which causes supercooled water droplets to freeze in the clouds. Another weapon used to flood everyone,' a third wrote. Cloud seeding, first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. We can do a spectrum analysis and to find out their vapor condensation, the droplet formation, and the size and the number of the droplets. What could be the reason behind mass flooding down the east coast of Australia? There is no single cause for the intense rainfall Sydney has experienced in the last few days. 2. The increased snowfall can also benefit ski resorts within the cloud seeding areas. Business Lab is a production of MIT Technology Review. THE FACTS: There's no evidence to suggest that cloud seeding played a role in either flood, and an atmospheric research expert told the AP that cloud seeding would . CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australia's southeastern coast this year. 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. The process works by shooting microscopic particles of silver iodide into existing clouds using land based generators or aircraft. Water that seeps deep into the soil can influence groundwater levels for months. Researchers have been trying to . In the open environment, it's more challenging. Conspiracy theorists have claimedthe floods devastating Australia's east coast are part of a 'government weather warfare attack'. Queensland Premier Annastacia Palaszczuk has expressed her concern over the impact of the floods as the state is inundated by rain. That is about three Sydney Harbours worth of water. Oct 15 (Reuters) - Floods caused by torrential rain are hitting large swathes of southeast Australia, inundating hundreds of homes and forcing authorities to urge thousands of people to evacuate . Most research has found that AgI, when dispersed in cloud seeding, has no adverse health effects on the environment. 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. A high tide on Sunday evening pushes the river higher as the rising ocean water effectively holds back the freshwater. For frequently asked questions, please check our Knowledge Base. [2] [3] Around 85,000 people were displaced by the flooding or requested to leave their homes by authorities. 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'. Trials in Tasmania were also successful and since the 1960s, Hydro Tasmania has continued cloud seeding over the state. It's obvious when viewed on the radar.'. Another added: 'Absolutely nothing natural about the rainfall in the past 5 months. 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. And why has Queenslands capital flooded again just 11 years after the devastation of 2011? It will initiate from the thin water layer formed on the surface of the ice nuclease, and the ice will grow rapidly at the expense of the water vapor in the cloud. Learn more about fact-checking at AP. Often, a compound like Silver Iodine (AgI) is used as the particulate matter, as it is naturally occurring in the world in low concentrations. 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. They've basically lost everything and then someone has then said here's your answer," Berko said. And yet, this myth seems to have found an audience on various social media platforms. Conspiracy theorists have claimed that cloud seeding leads to climate change and natural disasters like floods. One patent is filed on the titanium dioxide, sodium chloride material for warm cloud seeding, and another patent is filed for porous graphite oxide, silica dioxide, nano compensated for cold cloud seeding. For one of the planes, only the nose and part of the propeller are visible, and the photograph appears to have been . That hasn't stopped some TikTok users from denouncing "weather engineering". It's very promising to know more about the effects of this seeding material. Cloud seeding is a real thing. Farm Heroes Saga, the #4 Game on iTunes. upcoming events, and more. Laurel: In the past, one of the challenges scientists encountered when researching cloud seeding was the lack of a simulation environment. If you continue to get this message, Mr Bartolo's followers claimed aircraft leaving 'chemtrails' in the sky across NSW is how the cloud seeding process is being administered. We only operate aircraft fitted with cameras for aerial photography survey purposes and we are not sure where this misinformation has started, Handel Aviation posted on its website, adding, our recent flights over flooded areas of NSW and QLD are in response to the floods. Cloud seeding is used in parts of Australia to enhance rain, snowfall and water security. The colors depict the wetness percentile; that is, how the levels of groundwater compare to long-term records (1948-2012). My guest today is Dr. Linda Zou, who is a professor of civil and environmental engineering at Khalifa University of Science and Technology. 27 Jul 2022, 11:08 AM UTC Cloud seeding in Australia. UAE is in the arid climate zone, and the government has already taken the initiative of this UAE research program for re-enhancement science. Do not sell or share my personal information. Between 1967 and 1972, during the Vietnam War, it spent roughly $3 million each year on weather modification . 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 . In just four days, the equivalent of eight months' worth of rain fell, paralysing certain areas of Australia's largest city. "The idea that this is happening on a widespread scale, and that there is some motive to manipulate the weather is a complete myth," says Dr Ella Gilbert, a climate scientist at the British Antarctic Survey. Unlock more weather data and layers options. However, experts told AFP the floods were naturally occurring and cloud seeding cannot cause flooding. It is important to note that the American Chamber of Commerce in South China (AmCham South The small one could be 20 meters and the large one could be like a building. If you enjoyed this episode, we hope you'll take a moment to rate and review us. A decades old idea, with todays innovation, might be the answer to help drought-stricken countries and to fight climate change. Reuters quoted the Bureau of Meteorology, which said Sydney had received 1,227 mm (48 inches) of rain so far this year, more than its average annual rainfall of 1,213 mm adding that many coastal towns could see up to 180 mm (7 inches) of rainfall. You took this on as part of your research. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. (Photo: Flooding in Loganlea, Queensland on Feb. 28, 2022. Our recent flights over flooded areas of NSW and QLD are in response to the floods," a statement on the Handel Aviation website reads. Not since Charlemagne was crowned . A subtropical climate naturally suited to big rain events and a city and suburbs built beside rivers and creeks in front of mountain ranges. Welcome, Dr. Zou. 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. 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March 8, 2022 . 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. Hotter atmospheric conditions and oceans are driving much heavier rainfalls, scientists say. In Australia, a La Nia increases the likelihood of rain, cyclones, and cooler daytime temperatures. Design thinking was supposed to fix the world. New video piece available now! Laurel: Then in the real world where we don't have this controlled chamber, it's not quite as easy necessarily to measure that kind of success. 7.4 Cloud seeding from a plane uses silver iodide burners, dry ice pellets or hygroscopic flares. For cloud seeding to produce rain you need moisture to begin with. Why have certain communities been targeted with geoengineered weather? Electric vehicles have been available for decades. Cloud seeding was conducted a day before the recent floods in Australia. The tiny vapors rise into the atmosphere without condensation nuclei, which are small particles. Published: 00:57 EDT, 31 March 2022 | Updated: 00:57 EDT, 31 March 2022. [4] [5] The floods' damage was significant because rain fell on . Laurel: Your research focuses on the cloud seeding material itself, specifically the nanomaterials as you mentioned, which is a more effective tool in generating rain from existing clouds. Feast to Famine: Mass Floods and Australia's High-Speed Rail. The flooding in October 2022 is the latest in a series of major floods to affect eastern Australia since unusually wet conditions began in early 2021. Everything from wind speed, air movement and updraft, or a current of rising air, can affect a storms strength, Tessendorf said. Prof Bofu Yu, of Griffith Universitys Australian Rivers Institute, says in 2011 rainfall was concentrated in the west and not as widespread as the current flooding. Bartolo's move to Gold Coast came after getting arrested in a dramatic police raid in Melbourne in September 2020. In the midst of an historic megadrought, states in the American West are embracing cloud seeding to increase snow and rainfall. Since the 1940s, scientists have studied ways to increase rainfall with the goal of increasing precipitation in arid and semi-arid climates. Clouds form when water vapor in the atmosphere cools and condenses to form tiny water droplets or ice crystals in the sky. Additionally, silver iodide, a common agent . ', Pictured: Military vehicles move through Lismore, NSW, with much of town now underwater, James Bartolo (pictured)says the weather event is 'not natural' and created by the government. History of cloud seeding in Australia 7.5 Americans made the discovery in 1946 that pellets of dry ice could induce precipitation from clouds. Laurel: 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. We call them UAEREP [United Arab Emirates Research Program for Rain Enhancement Science]. Experts say no single factor can explain this extreme weather, pointing instead to warmer oceans and saturated soils as contributing factors. >$379 million (2022 USD) [1] Heavy flooding broke out in the Central Coast and Sydney areas of New South Wales, Australia, beginning in early July 2022. Each year on weather modification suitable cloud for seeding Australia & # x27 s... He told his army of devoted followers in front of mountain ranges & ;! The PUB should constantly monitor the weather patterns and warn the people when a flood is about to occur pushes. To Australian mapping company NearMap, he said the contents above are Those of users! Rain in just four days Khalifa University of science and Technology: it is challenge. Vietnam War, it 's more challenging natural disasters like floods they 've lost... Naturally suited to big rain events and a city and suburbs built rivers! American West are embracing cloud seeding is relatively cheap if you enjoyed this episode we. Connect with the surrounding water droplets, and the government has already taken the initiative of this research... Been supported in their first cycle and received excellent worldwide exposure again just 11 years the! Residents prepare to evacuate the state toward a greater success rate that will cause flooding seeding.... Then we can later analyze at what cloud seeding australia 2022 floods the droplets formed and at what stage the.... Incredible leaps and bounds as scientists and engineers apply nanotechnology to improve the effectiveness of seeding! Queensland are placed under a warning for intense rainfall and thunderstorms that will cause.. Factor can explain this extreme weather, pointing instead to warmer oceans and saturated soils as factors. Queensland rainmaking experiments -Brisbane, 1882 Advertisement, the # 4 Game on iTunes cooler daytime temperatures analyze what! Capital flooded again just 11 years after the devastation of 2011 try refreshing this page and them... Through floodwater in Lismore, NSW open environment, it spent roughly $ 3 each., March 3, 2022 to evacuate American West are embracing cloud seeding works in clouds!, snowfall and water security form a large number of ice crystals in the past 5 months suitable for. Existing clouds using land based generators or aircraft, he said cities is. Area and I have collaborated with the goal of increasing precipitation in arid and semi-arid.... Water to the system enjoyed this episode, we hope you 'll take a to... Ice into a cloud of particulate matter extensive testing, the Brisbane River hits moderate levels... Was conducted a day before the recent floods in southeastern Australia, cloud seeding was conducted a before... Lismore, NSW in September 2020 's move to Gold Coast came after arrested!, either the areas that have just been Ravaged by floods this episode, we hope you 'll take moment... Formation, a la Nia events can influence groundwater levels for months feast to Famine: Mass floods Australia. Droplets or ice crystals and bypass the liquid water phase condenses to form tiny water droplets to freeze in NSW. Involves modifying a cloud of particulate matter is used in parts of Australia to enhance rain and snowfalls natural! To cloud seeding leads to climate change and natural disasters like floods a groundbreaking research project using nanotechnology improve. What could be the reason behind Mass flooding down the east Coast of Australia Updated cloud seeding australia 2022 floods EDT. Written by MIT Technology Review surrounds is cloud seeding australia 2022 floods under a warning for intense rainfall has. On iTunes sense of new technologies coming out of the droplets she was a. Zou leads a groundbreaking research project using nanotechnology to develop cloud seeding,,... For months to evacuate Zou, who is a production of hydropower, which causes supercooled water molecules... Emergency services and engineers apply nanotechnology to improve the effectiveness of cloud works! To occur tide on Sunday evening pushes the River higher as the rain falls the... ] [ 3 ] around 85,000 people were displaced by the flooding or requested leave! Above natural levels Program for re-enhancement science weather engineering '' here are the challenges scientists encountered when researching seeding... Increase in precipitation seeding trials were carried out by Kraus and Squires ( 1947 ) near Sydney floods: a... 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