Australia's path towards Agenda 2030. 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. Social Credit? A La Nia develops when strong winds blow the warm surface waters of the Pacific away from South America and towards Indonesia. Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). 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. 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. Australia, March 30, 2022 in an image taken from video. 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. To be successful, scientists need 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. Media reports estimated at least 22 . 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 . For cloud seeding to produce rain you need moisture to begin with. I used an eight cubic meter chamber with controlled humidity and temperature. Of these four experiments, the Snowy Mountains saw statistically significant increases in rainfall during the experiment. (Photo: Flooding in Loganlea, Queensland on Feb. 28, 2022. Source: nationalparks.nsw.gov.au The extra water produced from cloud seeding can sit in water storages for multiple years. 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. 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). Artist depiction of cloud seeding drones. Silver iodide is an ice-forming agent, which causes supercooled water droplets to freeze in the clouds. Experts said that the floods in Australia were naturally occurring and cloud seeding cannot cause flooding. Laurel: This is very critical because the cloud seeding materials go very high up into the atmosphere where it is very cold, correct? April 8, 2022 / 6:52 AM / AFP . "Those numbers tell us that this is an inexpensive way to help add water to the system. 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. Usually, silver iodide particles are used. "Cloud seeding is a . If you enjoyed this episode, we hope you'll take a moment to rate and review us. Mr Bartolo's followers claimed aircraft leaving 'chemtrails' in the sky across NSW is how the cloud seeding process is being administered. Why Is the Government Cloud Seeding in NSW's Over the Areas That Have Just Been Ravaged by Floods? Hotter atmospheric conditions and oceans are driving much heavier rainfalls, scientists say. 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 . Cloud-seeding is a weather-modification practice used to artificially create or promote additional rain/snow from existing clouds. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. In Australia, water can be a scarce commodity, with variousareas of the country suffering through prolonged droughts at times. One user even claimed that planes about 1,200km away from the epicenter of the floods might be to blame. QLD Premier's father runs genetic data storage company. So it is a synergistic effect. Compared to the current flood, the factor is almost threefold. It has been used in Australia intermittently since 1947. 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. . The silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. Dr. Zou: Yeah. La Nia events can influence weather in different ways across the . 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. upcoming events, and more. Laurel: Back to your technology, you filed a patent on the cloud seeding material itself. Two words for you: nanoengineered materials. Essentially, we are creating a . concerns about cloud seeding were raised in relation to the 2022 Lismore and South-East Queensland floods. In the 2016 clip from the Australian TV network 7News, a journalist says, Residents in southern Tasmania are demanding to know why cloud seeding was conducted over the Derwent River catchment the day before the worst floods in 40 years., One social media user shared the old clip Tuesday with the caption, Remember when this was a CONSPIRACY NOW - CLOUD SEEDING IS NOW OPENLY REPORTED - MAKING FLOODING WORSE - investigations are now being conducted as to WHY this was done!. 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. There is no evidence to prove cloud seeding affected the flood. There are up to 15,000 homes flooded in the city, with 1,544 people in evacuation centres in the south-east. There is no evidence to back up such theories, but this hasn't prevented falsehoods from reaching thousands of people online. The first trials were carried out near Sydney by Kraus and Squires in 1947. 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 . An amusement ride is seen inundated by floodwaters in Sydney, TikTok videos like this one have been watched thousands of times, This 2016 news report has been widely shared on all major social media platforms, UAE to test cloud-busting drones to boost rainfall, How climate is making Australia more unliveable, Devastating floods spur new warning systems, Harry and Meghan told to 'vacate' Frogmore Cottage, Explosive found in check-in luggage at US airport, Whiskey fungus forces Jack Daniels to stop construction, Tulsa massacre survivors granted Ghana citizenship, Messages reveal battle over Covid school policy, Rare Jurassic-era bug found at Arkansas Walmart, Covid messages leak a massive betrayal - Hancock, Aboriginal spears taken in 1770 to return to Sydney. Where did it go wrong. They remain as vapors in the air and move higher and further. Bartolo's move to Gold Coast came after getting arrested in a dramatic police raid in Melbourne in September 2020. NOTE: Dry ice used for cloud-seeding = solid carbon dioxide = CO2. Trials in Tasmania were also successful and since the 1960s, Hydro Tasmania has continued cloud seeding over the state. Given climate change is a background to all weather events, its hard to say that it does not play a role, he says. Between 1967 and 1972, during the Vietnam War, it spent roughly $3 million each year on weather modification . Australian Broadcasting Corporation (ABC News) quoted the Department of Premier and Cabinet's report on the flood in 2018. To "seed" cloud formation, a small aircraft releases a cloud of particulate matter. The photograph shows two Royal Australian Air Force (RAAF) DC-3 planes flying above some cumulus clouds. This data describing my new seeding materials property and their interactions in atmosphere. We designed and fabricated a porous nanocomposite of 3D reduced graphite oxide and silica dioxide nanoparticles. 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. Defence and National Security Intelligence. '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. 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 decades old idea, with todays innovation, might be the answer to help drought-stricken countries and to fight climate change. 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 . 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. A car is seen submerged in floodwater following heavy rains in the northern town of Lismore, New South Wales, Australia, March 30, 2022 in an image taken from video. Cloud seeding has strict requirements. 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? Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud-seeding materials. 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. Cloud seeding involves modifying a cloud's structure to increase the chance of precipitation. This nanoengineered shell core structured material can be activated at much broader relative humidity conditions such as about 65%. 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. Domensino says while several features in the atmosphere combined to deliver the rain, climate change likely made the event worse. We also assess the Snowy Schemes reservoir storage levels to ensure additional snowmelt from cloud seeding will not contribute to flooding downstream, Snowy Hydro said. One reason for the wetness is likely La Nia, which for the first time this century has returned for three consecutive years. Weather and cloud-seeding experts say it is impossible for the rain-making technology to work on such a large scale, and the incessant downpours are due to a La Nina weather system - a fact that . 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 . What did you develop and how will it facilitate future research? 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. Queensland Premier Annastacia Palaszczuk has expressed her concern over the impact of the floods as the state is inundated by rain. Theres no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. NSW's Snowy Mountains region. This is a black-and-white photograph of a cloud-seeding operation over the Pacific Ocean near Sydney. To help advance the science, in 2015 the UAE government launched a new initiative, the UAE Research Program for Rain Enhancement Science. 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.. [4] [5] The floods' damage was significant because rain fell on . According to the Australian Bureau of Meteorology, Tasmania saw very low rainfall, around 26 percent below the average for March 2022. Centrelink jobseeker overhauled with new 'point-based system' . If you think a claim has been misjudged or requires correction, please send us evidence to support your error claim. A 2016 news clip was associated with the recent floods in Australia. Brisbane has two features that make it susceptible to flooding. Conspiracy theorists . History of cloud seeding in Australia 7.5 Americans made the discovery in 1946 that pellets of dry ice could induce precipitation from clouds. 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. Welcome, Dr. Zou. Posts shared online alleged aerial survey pilots from Handel Aviation caused a second deluge in the flood-ravaged New South Wales town of Lismore on March 31 by cloud seeding dispersing a substance into the clouds to prompt rain. 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. But a probe by the Tasmanian government into the 2016 flooding has since been completed, and investigators and expert atmospheric scientists found that cloud seeding by Hydro Tasmania, a government-owned generator of renewable energy, did not contribute to or worsen the heavy rains. 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 claim is false. The information and techniques are out of date and their effectiveness is not well understood.. "We also assess the Snowy Scheme's reservoir storage levels to ensure additional snowmelt from cloud seeding will not contribute to flooding . The first three months of 2022 brought a year's worth of rain to Sydney. 2023 BBC. Formerly, cloud seeding was rejected in Australia on environmental grounds because of concerns about the protected species, the pygmy possum. Since the 1940s, scientists have studied ways to increase rainfall with the goal of increasing precipitation in arid and semi-arid climates. Could this all just be a . Thousands of residents were ordered to leave their homes. "We had really violent threatening stuff coming through. This will provide the people with a safety net to fall on, in the event of a flood. Under NSW legislation, Snowy Hydro can only cloud seed when precipitation is likely to fall as snow to elevations below 1,400 metres. What are you working on now, and what are you thinking about next? Dr. Zou: Yes. Apr 22, 2022. Design thinking was supposed to fix the world. Ouse in the Derwent River catchment was one of the hardest hit areas in this week's floods. Experts say no single factor can explain this extreme weather, pointing instead to warmer oceans and saturated soils as contributing factors. 'Cloud seeding is being used to increase rainfall by corrupt governments to act on mother nature. March 8, 2022 . . JB Straubel speaks about his company, Redwood Materials, and what challenges loom for batteries. Our topic today is cloud seeding to increase rainfall. A subtropical climate naturally suited to big rain events and a city and suburbs built beside rivers and creeks in front of mountain ranges. For general feedback and enquiries, please contact us through our Help Desk. APS ASSESSMENT: False. "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.". . The views expressed in the contents above are those of our users and do not necessarily reflect the views of MailOnline. But others were distressed, telling the experienced pilot they had lost everything during the floods and thought the company was responsible. Why are you interested in this type of research? Pictured: Local residents wade through floodwater in Lismore, NSW. 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. In just four days, the equivalent of eight months' worth of rain fell, paralysing certain areas of Australia's largest city. Bureau of Meteorology, Australia (@BOM_au) February 26, 2022 About 18,000 homes in Brisbane and surrounding areas have been flooded and more than 50,000 are without power. Australia floods: Nearly a metre of rain in just four days. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. 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. 'Surprisingly, they have talked about cloud seeding and weather manipulation on the mainstream media so it's coming from multiple sources now. 4m ago. Scientists blame intense rainfall on a combination of factors - but, on social media, unfounded allegations of "weather manipulation" have spread widely. Most research has found that AgI, when dispersed in cloud seeding, has no adverse health effects on the environment. Today, that endeavor is making incredible leaps and bounds as scientists and engineers apply nanotechnology to improve the effectiveness of cloud seeding. Handel Aviation did not return requests for additional comment. 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. Dr. Zou: It is a challenge area and I have collaborated with the Cloud Microphysics Modeling International team. 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. Cloud seeding experiments began in Australia during 1947 after American scientists made the discovery in 1946. The height of the Mary River at Gympie goes from 12m at 10am to 19m by midnight. The flight was collecting images for aerial maps provided to Australian mapping company NearMap, he said. This stored water can help ensure renewable energy generation and downstream water availability during future drier years, when inflows are lower. Others pointed to terms used in media coverage as proof the floods were part of an 'attack' and not natural. You took this on as part of your research. 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. 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. It's very promising to know more about the effects of this seeding material. Atmospheric water is one such alternative resource. Clouds form when water vapor in the atmosphere cools and condenses to form tiny water droplets or ice crystals in the sky. Social media users are also sharing a separate example to baselessly claim that cloud seeding played a role in. 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. Leverage advanced weather intelligence and decisioning tools for your enterprise business. 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. Laurel Ruma: From MIT Technology Review, I'm Laurel Ruma, and this is Business Lab. 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. A planned factory marks a major milestone in the US for new batteries that enable lower-cost, longer-lasting EVs. The technique has been around for decades. CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australias southeastern coast this year. 'It is very obvious. (AP Photo/Rick Rycroft), Connect with the definitive source for global and local news. An independent investigation sought by Tasmanias 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. In the U.S., studies have found a few percentage points of increase in precipitation. Laurel: You were one of the first scientists in the world to explore the use of nanotechnology in cloud seeding. 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