Reeling under the severe heatwaves and drought, some parts of Chongqing city in southern China welcomed the long-awaited rain as the southwestern . 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. Then we can later analyze at what stage the droplets formed and at what number and size of the droplets. We know the oceans are getting warmer and that puts more moisture in the atmosphere, and a warmer atmosphere can hold more moisture.. 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.. Unlock more weather data and layers options. Our topic today is cloud seeding to increase rainfall. 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. Like: 'we have the pilots' names, we know where you live, you're going to pay for this,' kind of stuff," Handel told AFP. "They needed a shoulder to cry on and hear their story. 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. It is not yet known whether these findings also apply to wild conditions. For more information about us and the show, please check out our website at technologyreview.com. Play it now! But conspiracy theorists aren't buying it. The claim is false. (Audience submitted: David Bradley)"The extent to which cloud seeding has exaggerated the flood is still . Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). The government can also provide flood insurance for the people. The floods have once again turned deadly, with the body of a man swept away by floodwaters in Queensland found by police this morning, bringing the state's death toll to 19 since January. The language they are using such as "rain bombs" is clear enough for me,' a commenter said. , first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. Observed so far: 1. 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.. This data describing my new seeding materials property and their interactions in atmosphere. "Cloud seeding is not that effective, people do it only under very special circumstances," he said. 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. 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. 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. In the U.S., studies have found a few percentage points of increase in precipitation. Source: nationalparks.nsw.gov.au In the midst of an historic megadrought, states in the American West are embracing cloud seeding to increase snow and rainfall. Business owners in central Gympie scramble to get stock out of their stores and residents prepare to evacuate. A team of pilots is conducting an investigation by releasing the seeding materials and in real time capturing and analyzing them. Unfortunately, such material is unpredictable, where and how much available. March 8, 2022 . Despite the online claims, cloud seeding is not responsible for any of the east coast floods, said weather modification expert Simon Siems. 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. 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. These small droplets and crystals usually form around even smaller particles of dust, salt and other aerosols floating in the atmosphere, which are called cloud condensation nuclei. 2023 ACC TOURNAMENT SEEDING AS OF FEB. 26. 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." They've basically lost everything and then someone has then said here's your answer," Berko said. Laurel: Certainly, a number of possible commercial ventures. 7.4 Cloud seeding from a plane uses silver iodide burners, dry ice pellets or hygroscopic flares. There's no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. The U.S. has a long history of cloud seeding, and gained a lot of attention in October of 1947 when it cloud seeded a hurricane. After extensive testing, the CSIRO has determined that cloud seeding is unlikely to be effective in much of Australia. Theres a small one, a medium one, and a large one. Read about our approach to external linking. Cloud seeding is an artificial weather modification technique that involves introducing cloud condensation nuclei into the atmosphere, which enhances a clouds ability to produce rain and snow. These fall to the ground as snow or raindrops, depending on the surface temperatures. 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. The United Arab Emirates is creating its own rain using drones that fly into clouds and unleash electrical charges to beat the sweltering 122 degrees Fahrenheit (50 degrees Celsius) heat. The information and techniques are out of date and their effectiveness is not well understood.. Were having trouble saving your preferences. "Cloud seeding is a . In Australia, cloud seeding is used in some areas to increase surface water runoff for use in the production of hydropower. Handel Aviation operator Mark Handel told AFP on Thursday that the company does not seed clouds. Today, together with the National Center of Meteorology of the UAE, we can see the application of these new seeding materials in real operations very quickly across UAE to increase the rainfall. 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, first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. BBC. 2023 BBC. Conspiracy theorists have claimedthe floods devastating Australia's east coast are part of a 'government weather warfare attack'. The extra water produced from cloud seeding can sit in water storages for multiple years. CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australias southeastern coast this year. They vary in size. one follower wrote. 'Could also be the start of the universal basic income scheme for the displaced victims of this tyranny? Often, a compound like Silver Iodine (AgI) is used as the particulate matter, as it is naturally occurring in the world in low concentrations. 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. Cloud seeding is the process of artificially generating rain by implanting clouds with particles such as silver iodide crystals. Commonly called "chemtrails" this "cloud seeding" is picking up in pace. This is a black-and-white photograph of a cloud-seeding operation over the Pacific Ocean near Sydney. FILE - Buildings are surrounded by flood waters in Londonderry on the outskirts of Sydney, Australia, Thursday, March 3, 2022. 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). According to some laboratory studies, a high concentration of AgI can affect smaller organisms like algae and bacteria when applied consistently over a long period of time. 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". You are also pursuing funding initiatives at this point too, for your research. As a result, flooding this time has been much more extensive from small creeks and large rivers, he says. [2] [3] Around 85,000 people were displaced by the flooding or requested to leave their homes by authorities. 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.. Ouse in the Derwent River catchment was one of the hardest hit areas in this week's floods. But Khan says the Brisbane flooding could easily have been much worse. CORRECTION: We have added an additional source relating to cloud seeding that debates its harmless nature. But others were distressed, telling the experienced pilot they had lost everything during the floods and thought the company was responsible. (AP Photo/Rick Rycroft), Connect with the definitive source for global and local news. The clip is unrelated to recent floods in Australia, however, and dates . 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. 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. This podcast is produced in partnership with the UAE Pavilion Expo 2020 Dubai. Dr. Zou: The cloud chamber is a three-dimensional experimental environment. Domensino says while several features in the atmosphere combined to deliver the rain, climate change likely made the event worse. If you enjoyed this episode, we hope you'll take a moment to rate and review us. The natural occurring condensation nuclei are such as dust particles, volcano flash, or pollens. Copyright 2023 CBS Interactive Inc. All rights reserved. Somerset Dam, that can feed Wivenhoe, also starts to rapidly fill, going from 80% to 148% in one day. The higher you move up to the atmosphere, quickly moving into subzero and very cold. 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. It can enhance precipitation in areas experiencing drought, among other uses. ', 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. However, experts told AFP the floods were naturally occurring and cloud seeding cannot cause flooding. Dr. Zou: Yeah. The tiny vapors rise into the atmosphere without condensation nuclei, which are small particles. [4] [5] The floods' damage was significant because rain fell on . Why doesn't Australia use the cloud seeding method? In my project, we have changed the surface of the material to make it more reactive so it can work at a lower and wider relative humidity to make it more likely to happen. I'm your host, Laurel Ruma. On social media, they blame the extreme rainfall on "cloud seeding" and "weather manipulation". Two words for you: nanoengineered materials. "Those numbers tell us that this is an inexpensive way to help add water to the system. So it has a huge possibility to improve its efficiency. Twitter users are sharing a clip from a 2016 news broadcast about flooding in Tasmania to claim it proves that cloud seeding provoked the heavy rainfall. Silver iodide is an ice-forming agent, which causes supercooled water droplets to freeze in the clouds. So, what is cloud seeding, how does it work and where is it used in Australia? Everything from wind speed, air movement and updraft, or a current of rising air, can affect a storms strength, Tessendorf said. Learn more about fact-checking at AP. Is that correct? This stored water can help ensure renewable energy generation and downstream water availability during future drier years, when inflows are lower. Tuesday, March 7 (First round) Game 1: (12) Virginia Tech vs. (13) Georgia Tech | 2 p.m. | ACC Network . And two Middle East rivals - the United . You can find out more about Snowy Hydros cloud seeding operations here. Cloud seeding was conducted a day before the recent floods in Australia. In partnership withUAE Pavilion Expo 2020 Dubai. This has been an absolute, fantastic conversation. "Handel Aviation operates aerial photography aircraft only. This is done by firing small particles (usually silver iodide) into clouds . Now theyve finally become mainstream. UAE is in the arid climate zone, and the government has already taken the initiative of this UAE research program for re-enhancement science. JB Straubel speaks about his company, Redwood Materials, and what challenges loom for batteries. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. It's not infallible, but it's been used all around the world to - for example - help irrigate crops. New video piece available now! Brisbane suffered major flooding, along with the cities of Maryborough, Gympie, the Sunshine Coast, Caboolture, Toowoomba, Gatton, Ipswich, Logan City, the . Get in touch. 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. This podcast episode was produced by Insights, the custom content arm of MIT Technology Review. Handel said he tasked his operations manager, Anthony Berko, with responding to each email and calling people who provided their phone numbers. 'The Gold Coast and surrounds is currently under a government weather warfare attack,' he told his army of devoted followers. That hasn't stopped some TikTok users from denouncing "weather engineering". The comments below have not been moderated. Cloud seeding was invented in the 1940s and is often used as a tool to increase winter snowfalls. The conventional cloud seeding material can only be activated at a very high relative humidity in atmosphere in the cloud, such as greater than 75% relative humidity. I'm the Director of Insights, the custom publishing division of MIT Technology Review. Top Stories. Brisbane wakes up to major flooding. 2022 AFP. 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. EPA. China, which already artificially alters its weather over major cities, plans to be able to modify weather over half its territory by 2025, to the alarm of neighbours including India. The first cloud seeding trials were carried out by Kraus and Squires (1947) near Sydney. 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. 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. If we had started where we started from in 2011 we would be in serious trouble.. more time. Iran has already accused Israel of stealing its water by using cloud-seeding that reduces rainfall over its territory. It's very promising to know more about the effects of this seeding material. Dr. Zou: Yes, you are right. So how did it come about, and how does it compare to the 2011 Brisbane disaster? Cloud seeding is a real thing. Bartolo was handcuffed on his lounge room floor in a struggle seconds after the police broke inside. Four police officers knocked down the former bodybuilder's door when he refused to open it, claiming they didn't have authorisation to be on the property. The flight lasted an hour and 34 minutes over the Upper Derwent catchment, targeting Lake Echo. Torrential rain hovers over the Brisbane region, feeding Wivenhoe Dam but also filling major rivers like the Bremer that winds through Ipswich and the Lockyer Creek. Since the 1940s, scientists have studied ways to increase rainfall with the goal of increasing precipitation in arid and semi-arid climates. As well as the rising river levels, the amount of rain falling locally causes flash floods all across the city and its outer suburbs as creeks swell, inundating areas that escaped the 2011 floods. Australia 05:57 31 Mar 2022 . So they form super cool vapor and crystallize into ice particles. Silver Iodide is safe to use in cloud seeding operations because it is found naturally in the atmosphere, soil and sediments of the Snowy Mountains region. There is no evidence to back up such theories, but this hasn't prevented falsehoods from reaching thousands of people online. The amount of snow or rain tied to cloud seeding has varied, with up to 14% reported in experiments in Australia. Cloud seeding gives these clouds a lot more ice crystals (or cloud nuclei). 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. This material can initiate ice nucleation followed by rapid growth starting from a temperature of minus 80 degrees. Dr. Zou: Yes. Australia, March 30, 2022 in an image taken from video. 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 . 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. Our in-depth reporting reveals whats going on now to prepare you for whats coming next. Large areas of south-east Queensland are placed under a warning for intense rainfall and thunderstorms that will cause flooding. Some of the natural sources include bushfires, volcanoes and dust storms, while artificial sources of condensation nuclei include industry emissions and cloud seeding operations. Australian Bureau of Meteorology (BOM) (link is external) Australia declared a national emergency March 9, 2022 due to a series of floods from torrential rain in the eastern region of the country that began in late Feb., impacting South East Queensland, Wide Bay-Burnett and parts of coastal New South Wales. We dont have that technology, she said. Cloud seeding can use either ground based generators and / or aviation for operations. It involves manipulating existing clouds to try and help them produce more rain or snow. 7 July 2022. 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'. 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. Laurel: Back to your technology, you filed a patent on the cloud seeding material itself. out 'cloud seeding' - a weather . As the water spreads to northern New South Wales, how did the so-called rain bomb develop? Resources: https: . 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. Once this water is released from the hydropower lakes, downstream river catchments can also benefit from increased water to irrigate crops. 'If you also know this, comment on your awareness of unnatural weather below. The fact that the damage and loss of life were so great this time is due to the fact that many more people live in . So far, there are no reports of cloud seeding or floods in Tasmania in 2022. Cloud seeding is used in parts of Australia to enhance rain, snowfall and water security. These images are used to assess the damage caused by recent weather events.. 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".. Clouds form when water vapor in the atmosphere cools and condenses to form tiny water droplets or ice crystals in the sky. My guest today is Dr. Linda Zou, who is a professor of civil and environmental engineering at Khalifa University of Science and Technology. A flooded road is seen in Lismore, New South Wales, Australia, following heavy rains on March 2, 2022. The BBC is not responsible for the content of external sites. This show is available wherever you get your podcasts. 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. 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. 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. Cloud seeding has strict requirements. 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. Covid origin likely China lab incident - FBI chief. This material may not be published, broadcast, rewritten, or redistributed. Why Is the Government Cloud Seeding in NSW's Over the Areas That Have Just Been Ravaged by Floods? Laurel: You've also developed another kind of technology, ice nucleating particles. Centrelink jobseeker overhauled with new 'point-based system' . This means cloud seeding operations happen only during suitable cold weather systems, generally cold fronts between May and October. Queensland Premier Annastacia Palaszczuk has expressed her concern over the impact of the floods as the state is inundated by rain. And why has Queenslands capital flooded again just 11 years after the devastation of 2011? Dr. Zou: It is a challenge area and I have collaborated with the Cloud Microphysics Modeling International team. This temperature is much higher than most other known ice nucleate material. Australian Broadcasting Corporation (ABC News) quoted the Department of Premier and Cabinet's report on the flood in 2018. The United Arab Emirates have been hit particularly hard by this season's sweltering heat, recording a 51.8C this June (that . The colors depict the wetness percentile; that is, how the levels of groundwater compare to long-term records (1948-2012). Theres no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. Australia's 2022 floods have seen Brisbane's Southbank hit by a 'rain bomb'. NSW's Snowy Mountains region. Share. Wivenhoe has never dealt with that volume of water but it was lucky it was down at 60% at the start. Farm Heroes Saga, the #4 Game on iTunes. Were not altering the updraft of the clouds. "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.". Because the coated nanolayers are more hydrophilic and porous, the water can be absorbed easily and increase the local relative humidity of the crystals and increase the probability of forming water droplets. Read about our approach to external linking. . La Nia events can influence weather in different ways across the . Cloud seeding trials continued through the late 1950s and early 1960s by the CSIRO in the Snowy Mountains, in the New England district of NSW, the Warragamba catchment near Sydney and in the York Peninsula in SA. Compared to the current flood, the factor is almost threefold. Cloud seeding aims to protect flood-hit Jakarta. 2022 . Could you explain in more detail how cloud seeding works? The technique has been around for decades. 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. Leverage advanced weather intelligence and decisioning tools for your enterprise business. - Ukraine - Cloud Seeding (Weather & Flooding) - Testing on Oz Military personnel - Publicly Funded Private Dams - Australian Children Saved from Paedophile Ring - Governor General - Joe Biden - Pfizer - Reserve Bank - Clinton Foundation - Canberra Rallies. This salt vapor then will recondense as very small particles. Water vapor in the atmosphere can then adhere to the particles, and condense into raindrops or snowflakes. Social Credit? 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. Flight lasted an hour and 34 minutes over the areas that have Just been Ravaged by floods the percentile..., the custom content arm of MIT Technology Review availability during future drier,..., climate change likely made the event worse `` weather engineering '' small creeks and large rivers he... Well understood so-called rain bomb develop nuclei, which are small particles Zou, who is a cloud seeding australia 2022 floods of and! Our topic today cloud seeding australia 2022 floods dr. Linda Zou, who is a challenge and. 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