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. 2022 . Others pointed to terms used in media coverage as proof the floods were part of an 'attack' and not natural. Smart Cities World Forum. Cloud seeding was invented in the 1940s and is often used as a tool to increase winter snowfalls. Feast to Famine: Mass Floods and Australia's High-Speed Rail. The BoM has said heavy rainfall events will get more intense as the world gets hotter. The unsubstantiated claims have been spreading at a concerning rate on social media, with thousands seemingly convinced the record rain in northern NSW and Queensland are a 'man made' phenomenon. 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. 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. So it has a huge possibility to improve its efficiency. This data describing my new seeding materials property and their interactions in atmosphere. We build our cities on rivers for a reason it was good for transport and waste disposal but that also means we built on flood plains, Khan says. Conspiracy theorists spread the false claims after weeks of torrential rains led to deadly east coast floods over the past two months, engulfing homes and sweeping cars from the roads. that happened throughout February and March in Queensland and New South Wales, leading to more than a dozen deaths. My guest today is Dr. Linda Zou, who is a professor of civil and environmental engineering at Khalifa University of Science and Technology. It has been used in Australia intermittently since 1947. 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. There is no single cause for the intense rainfall Sydney has experienced in the last few days. Vivek Ramaswamy: The Indian . Hydro Tasmania also denied that its flights were to blame and said in a statement that an analysis shows the operation had no measurable impact on rainfall on that day.. Dr. Zou: Yes, you are right. They are made of many super cooled water vapors, so although they are below zero, they remain as vapor. 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. 2023 ACC TOURNAMENT SEEDING AS OF FEB. 26. Cloud seeding is a real thing. Why are you interested in this type of research? This type of microphysical response is very unlikely to produce such an overwhelming change in the cloud.. She added at $28-$34 per acre foot, cloud seeding is relatively cheap. However, both are far overshadowed by the disaster of 1804, whose water discharge, with a peak discharge of about 1,200 m3/s, was twice as massive as the 1910 event. 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. QLD Premier's father runs genetic data storage company. That's it for this episode of Business Lab. Cloud seeding. The silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. 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. At least 3,600 homes are flooded in Gympie. 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'. Dr. Zou: Yeah. 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. The amount of snow or rain tied to cloud seeding has varied, with up to 14% reported in experiments in Australia. Its no wonder then that several 'cloud seeding' (rain-making) experiments have been conducted in Australia. Like: 'we have the pilots' names, we know where you live, you're going to pay for this,' kind of stuff," Handel told AFP. What could be the reason behind mass flooding down the east coast of Australia? The river peaks overnight at the major flood level of 3.5m, falls slightly after the high tide, and goes higher to eventually peak on Monday at 3.85m below the 2011 peak of 4.46m. The language they are using such as "rain bombs" is clear enough for me,' a commenter said. Another weapon used to flood everyone,' a third wrote. Satisfactory evidence in relation to this might be a flight path, combined with evidence of a permit or . 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. Learn more about fact-checking at AP. . As the water spreads to northern New South Wales, how did the so-called rain bomb develop? There is no evidence to prove cloud seeding affected the flood. 'The Gold Coast and surrounds is currently under a government weather warfare attack,' he told his army of devoted followers. Thanks for listening. 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. more time. Laurel: You were one of the first scientists in the world to explore the use of nanotechnology in cloud seeding. You are also pursuing funding initiatives at this point too, for your research. Clouds form when water vapor in the atmosphere cools and condenses to form tiny water droplets or ice crystals in the sky. Today, that endeavor is making incredible leaps and bounds as scientists and engineers apply nanotechnology to improve the effectiveness of cloud seeding. 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. An atmospheric research expert told The Associated Press that cloud seeding would not change the dynamics of a cloud enough to cause massive flooding. These images are used to assess the damage caused by recent weather events.. Dr. Zou: The cloud chamber is a three-dimensional experimental environment. This process is known as glaciogenic cloud seeding. "They needed a shoulder to cry on and hear their story. Australian Broadcasting Corporation (ABC News) quoted the Department of Premier and Cabinet's report on the flood in 2018. 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. US and Russia trade blows over Ukraine at G20, Greek trains halted as anger over crash grows, Messages reveal battle over UK Covid policy, How 10% of Nigerian registered voters delivered victory, Sake brewers toast big rise in global sales, The Indian-American CEO who wants to be US president, Blackpink lead top stars back on the road in Asia, Exploring the rigging claims in Nigeria's elections, 'Wales is in England' gaffe sparks TikToker's trip. Laurel: Back to your technology, you filed a patent on the cloud seeding material itself. Dr. Zou: It is a challenge area and I have collaborated with the Cloud Microphysics Modeling International team. Messaging from rooftops: Lismores flooded residents document a disaster, Eastern Australian states hit by major flooding after rain bomb weather event, Original reporting and incisive analysis, direct from the Guardian every morning, Eastern Australia reeling from NSW and Queensland 2022 floods as downpour moves south video report, NSWdeath toll rises to five; more high impact storms forecast for Queensland as it happened, Australia east coast floods: how to help those affected in NSW and Queensland, There is no comprehending the sound and fury of the flooding that pulverised Brisbane, A jetski turned up with Mick Fanning on it: world champion surfer ferries locals through NSW floods, Ballina flood: thousands of homes impacted with peak to continue for a number of hours, Sydney on high alert for flash flooding over next 24 hours as heavy rain lashes city, Floods and livestock losses leave NSW and Queensland farmers reeling from third disaster in three years, Flood of help: how the NSW and Queensland disaster has brought neighbours closer together, Disaster agency defends not listing Lismore as flooding priority area for funding, NSW and Qld floods live updates latest eastern Australia flood news, Ballina: emergency orders issued for NSW coastal town as waters rise, Lismore man saves 16 people and five dogs after losing his own home, Flash flood warning for parts of Sydney and nearby districts, evacuation orders are issued for South Ballina. Laurel: Could you describe that weather chamber that you used in your experiments? 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. The claim is false. Some social media users are spreading false theories about what has caused multiple floods in Australia in recent years. Laurel: You've also developed another kind of technology, ice nucleating particles. 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. Recent research suggests that the decades-old approach can be effective, though questions remain about how much water it can wring from the sky. Source: nationalparks.nsw.gov.au Source: Snowy Hydro. Do not sell or share my personal information. 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. Handel said he tasked his operations manager, Anthony Berko, with responding to each email and calling people who provided their phone numbers. That hasn't stopped some TikTok users from denouncing "weather engineering". . The 2022 eastern Australia floods were one of the nation's worst recorded flood disasters with a series of floods that occurred from February to April in South East Queensland, the Wide Bay-Burnett and parts of coastal New South Wales. A record-breaking and relentless deluge that lasted days and flooded towns and cities along Queenslands south-east coast, submerging thousands of homes and leaving at least nine people dead. CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australias southeastern coast this year. Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud seeding materials. 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. Snowy Hydro limited Seeding Operations and Atmospheric Research (SOAR) and many morePune, India, Feb. 21, 2022 (GLOBE NEWSWIRE) -- The global cloud seeding market size is set to gain traction from the increasing adoption of weather modification technologies by various countries, shares . 3 January 2020. In just four days, the equivalent of eight months' worth of rain fell, paralysing certain areas of Australia's largest city. He was charged with incitement for allegedly encouraging his social media followers to attend an illegal rally. March 8, 2022 . The information and techniques are out of date and their effectiveness is not well understood.. The costs are split among state agencies in Colorado, Utah and Wyoming, where the . Cloud seeding is a real thing. Question is why?' 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. Covered in this AustraliaOne Update -. Between 1967 and 1972, during the Vietnam War, it spent roughly $3 million each year on weather modification . Multiple posts on Facebook - as seen here, here and here - attempt to link Australia's floods with cloud seeding and possible government manipulation of the weather. THE FACTS: In recent months, Australias southeastern coast has experienced some of its worst flooding in more than a decade, leading some social media users to highlight a previous instance of flooding and spread false theories about what caused it and other floods over the years. Australia 05:57 31 Mar 2022 . Some conspiracy theorists have been sharing a 2016 news report from the Australian TV network 7News - which has now been watched thousands of times. And two Middle East rivals - the United . The innovation of my project is the characteristics data we obtained from the experiment. 'Moving people into so-called 'smart cities' is likely, I think, considering the World Economic Forum openly talks about these things. Dr. Zou: Yes. About this record. However, there is no evidence that cloud seeding was responsible for the flood. Cloud seeding involves adding small particles into existing clouds to help them grow. How do those compare to cloud seeding materials? Towards New Zealand, Domensino says, an area of high pressure known as a blocking high stops the system from moving away into the Tasman Sea. Given climate change is a background to all weather events, its hard to say that it does not play a role, he says. Unlock more weather data and layers options. Using this information is very good to compare the performance of different materials, and we did that extensively. Cloud seeding experiments began in Australia in 1947, shortly after the classic experiments of Schaefer (1946) in America showing that pellets of dry ice could rapidly glaciate a laboratory cloud. In the midst of an historic megadrought, states in the American West are embracing cloud seeding to increase snow and rainfall. If we had started where we started from in 2011 we would be in serious trouble.. . 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. So how did it come about, and how does it compare to the 2011 Brisbane disaster? Silver iodide is an ice-forming agent, which causes supercooled water droplets to freeze in the clouds. For the third time this year, Sydney has been hit by major floods. In Australia, water can be a scarce commodity, with variousareas of the country suffering through prolonged droughts at times. Social media users are sharing a news clip from 2016 about cloud seeding the day before a severe flood in Southern Tasmania. 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.". China is developing a weather-modification system that aims to divert water vapour thousands of miles through the sky and bring rainfall to the country's driest regions. There is no evidence to back up such theories, but this hasn't prevented falsehoods from reaching thousands of people online. 4m ago. We wont run out of key ingredients for climate action, but mining comes with social and environmental ramifications. Snowy Hydro follows strict environmental guidelines to ensure that cloud seeding does not contribute to increased levels of silver in or around the Snowy Mountains. 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. 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. 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. Is that correct? According to Snowy Hydro, their Cloud Seeding Program increases precipitation by an average of 14 percent. EPA. Cloud seeding is the process of artificially generating rain by implanting clouds with particles such as silver iodide crystals. This show is available wherever you get your podcasts. Conspiracy theorists have claimed that cloud seeding leads to climate change and natural disasters like floods. NearMap confirmed to AFP the photos taken by Handel Aviation were commissioned to map disaster-affected areas for insurers and emergency services. 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. Design thinking was supposed to fix the world. Cloud seeding has strict requirements. Snowy Hydro's Cloud Seeding Program boasts that it has been able to increase rain or snow by 14 percent over the colder months. Conversely, she said cloud seeding would not dramatically worsen clouds that are already forecast to produce severe weather. As Brisbane starts a long and costly clean-up, hundreds of cars are stuck on the main M1 highway to the south. Cloud seeding gives these clouds a lot more ice crystals (or cloud nuclei). . It was a wall of water. Large areas of south-east Queensland are placed under a warning for intense rainfall and thunderstorms that will cause flooding. 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. Cloud seeding got its start in 1947, with General Electric scientists working under a military contract to find a way to de-ice planes in cold weather and create fog to obscure troop movements. In Gympie, the towns central business district is inundated. These fall to the ground as snow or raindrops, depending on the surface temperatures. 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 . They vary in size. 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. At the moment, I'm working collaboratively on a project to evaluate the effects of these materials in the open air. The previous record was 600.4mm in 1974. This will provide the people with a safety net to fall on, in the event of a flood. Welcome, Dr. Zou. The clip is unrelated to recent floods in Australia, however, and dates . This has been an absolute, fantastic conversation. Cloud seeding can use either ground based generators and / or aviation for operations. 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. Adkins said the crew involved in the seeding reported some effect . The delivery of this salt is to vaporize them by ignition by a flare device. Cloud seeding is a form of planned weather modification. Read about our approach to external linking. The key factors of a successful cloud seeding operation include, first, identifying the suitable cloud for seeding. Image: How cloud seeding works in the NSW Snowy Mountains. Laurel Ruma: From MIT Technology Review, I'm Laurel Ruma, and this is Business Lab. "Cloud seeding aims to enhance the amount of rain falling from rain-bearing clouds," Mr McNamara said. The post's caption states, "There were no flood warnings for the area in Tasmania targeted by a cloud-seeding operation the day before floods devastated the town of Ouse." Media reports estimated at least 22 . For cloud seeding to produce rain you need moisture to begin with. Where did it go wrong. 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. This temperature is much higher than most other known ice nucleate material. Observed so far: 1. You can find out more about Snowy Hydros cloud seeding operations here. The aim is to get other innovative projects from scientists in the field of rain enhancement from all over the world, with the winning ideas obtaining a grant of $5 million to work and improve on concepts for a period of three years. They say it's all part of a government plan to "weaponise" the weather against its own people - a popular conspiracy trope that has been around for years. Cloud seeding can also, in some cases, cause the cloud to grow larger and last longer than it would have without the modification. Now theyve finally become mainstream. For frequently asked questions, please check our Knowledge Base. This podcast is produced in partnership with the UAE Pavilion Expo 2020 Dubai. Electric vehicles have been available for decades. Wivenhoe Dam Brisbanes main source of water and also a key piece of infrastructure to stop the city flooding starts rising rapidly from 58% capacity. (Audience submitted: David Bradley)"The extent to which cloud seeding has exaggerated the flood is still . Usually, silver iodide particles are used. 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. 1. This material can initiate ice nucleation followed by rapid growth starting from a temperature of minus 80 degrees. Formerly, cloud seeding was rejected in Australia on environmental grounds because of concerns about the protected species, the pygmy possum. But conspiracy theorists aren't buying it. So they form super cool vapor and crystallize into ice particles. Dr. Zou: The conventional cloud seeding materials include mostly hydroscopic salt mixture, which can change from salt crystals into water droplets at the right condition. FILE - Buildings are surrounded by flood waters in Londonderry on the outskirts of Sydney, Australia, Thursday, March 3, 2022. A flooded road is seen in Lismore, New South Wales, Australia, following heavy rains on March 2, 2022. 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