At the moment, I'm working collaboratively on a project to evaluate the effects of these materials in the open air. 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. Experimental cloud seeding technology does actually exist and has been used in places like China and the UAE. It's obvious when viewed on the radar.'. Through the advancement in nanotechnology and nanoscience, nowadays we are working to design and engineer cloud seeding materials with optimal properties to ensure water vapor condensation will occur effectively and maximize the rainfall achieved. 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. Laurel: Although cloud seeding has been around for decades, how does today's technology move it toward a greater success rate? Laurel: Dr. Zou, thank you so much for being with us here on the Business Lab. Through the advancement in nanotechnology and nanoscience, nowadays we are working to design and engineer cloud-seeding materials with optimal properties to ensure water vapor condensation will occur effectively and maximize the rainfall achieved, explains Dr. Zou. Could this all just be a . Hydro Tasmania (HT)s cloud seeding activities on 5 June had no impact on precipitation, with this conclusion having a solid scientific basis, stated the June 2017 independent parliamentary report. Trains are cancelled, bus services limited, the main Bruce Highway is closed at multiple locations and 51,000 people are without power. 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. The government can also provide flood insurance for the people. The clip is unrelated to recent floods in Australia, however, and dates . As Brisbane starts a long and costly clean-up, hundreds of cars are stuck on the main M1 highway to the south. It does not have the ability to suddenly produce all kinds of heavy rain and snow, Tessendorf said, adding, That process is just not really set up to take a cloud that may not be an effective precipitation producer and suddenly make it into the most efficient flood-producing cloud.. 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. Get browser notifications for breaking news, live events, and exclusive reporting. Australia's path towards Agenda 2030. Compared to the current flood, the factor is almost threefold. Feast to Famine: Mass Floods and Australia's High-Speed Rail. It's not infallible, but it's been used all around the world to - for example - help irrigate crops. But others were distressed, telling the experienced pilot they had lost everything during the floods and thought the company was responsible. Cloud seeding is a real thing. The most common particulate used in cloud seeding is silver iodide, which has a similar structure to ice crystals and helps supercooled liquid water droplets cluster together. There is no evidence to back up such theories, but this hasn't prevented falsehoods from reaching thousands of people online. "Those numbers tell us that this is an inexpensive way to help add water to the system. EPA. It can enhance precipitation in areas experiencing drought, among other uses. CBS News reported on April 8 that many Australian pilots and aviation companies received threats regarding false claims on social media about cloud seeding. 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". Silver iodide helps rain drops and ice crystals grow larger and increases the amount of rain and snow that can fall from clouds. 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 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. Mass Floods and Australia's High-Speed Rail. There has been torrential rain for two days and there is much more to come. The small one could be 20 meters and the large one could be like a building. BBC. A look at aerial and ground-based cloud seeding techniques. The previous record was 600.4mm in 1974. 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. This will provide the people with a safety net to fall on, in the event of a flood. Water vapour gathers around the particles and eventually falls as precipitation. You are also pursuing funding initiatives at this point too, for your research. upcoming events, and more. 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. Reeling under the severe heatwaves and drought, some parts of Chongqing city in southern China welcomed the long-awaited rain as the southwestern . 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 temperature is much higher than most other known ice nucleate material. However, experts told AFP the floods were naturally occurring and cloud seeding cannot cause flooding. 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. Pictured: Local resident inspects floodwater in her street on March 31, 2022 in Lismore, NSW, Pictured: Debris from flood-damaged homes piles up in Lismore, NSW, Tuesday, March 29, 2022, Conspiracy theorist James Bartolo (pictured) claimsAustralia's east coast are part of a 'government weather warfare attack'. The key factors of a successful cloud seeding operation include, first, identifying the suitable cloud for seeding. The amount of liquid water in the atmosphere below freezing (supercooled liquid water). Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). Handel said he tasked his operations manager, Anthony Berko, with responding to each email and calling people who provided their phone numbers. A team of pilots is conducting an investigation by releasing the seeding materials and in real time capturing and analyzing them. 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 . So, what is cloud seeding, how does it work and where is it used in Australia? Try refreshing this page and updating them one Australia's 2022 floods have seen Brisbane's Southbank hit by a 'rain bomb'. Cloud seeding can also, in some cases, cause the cloud to grow larger and last longer than it would have without the modification. 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. One widely shared post singled out an aviation company to make the unfounded claim that it ran a cloud seeding flight that was contributing to large-scale flooding in the city of Lismore. 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. 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. 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 Gold Coast and surrounds is currently under a government weather warfare attack,' he told his army of devoted followers. Australia One Party (A1) - Update March 3, 2022. 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. Conspiracy theorists claim the floods devastating Australia's east coast are a 'government weather warfare attack' triggered by 'chemtrails' James Bartolo, former Melbourne anti-lockdown leader . 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".. cloud seeding, cloud seeding rain in dubai, cloud seeding technology, cloud seeding explained, cloud seeding gone wrong, cloud seeding rain, cloud seeding ro. It has been used in Australia intermittently since 1947. Scientists blame intense rainfall on a . The aerial images were commissioned after the flooding and were used to document the impact of the disaster on property and infrastructure, for government agencies, emergency services, insurance groups and others, according to the statement. 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. Some of the natural sources include bushfires, volcanoes and dust storms, while artificial sources of condensation nuclei include industry emissions and cloud seeding operations. Hundreds replied to his post with comments claiming 'the government' was using experimental technology to carry out 'cloud seeding' - a weather modification process that theoretically alters the microphysical state of clouds, causing rain. Companies covered in Cloud Seeding Market are RHS Consulting, Ltd North American Weather Consultants, Inc. . Pictured: Homes inundated by floodwater in Lismore, NSW, James Bartolo (pictured) is a former bodybuilder who promotes a range of bizarre conspiracies. FILE - Buildings are surrounded by flood waters in Londonderry on the outskirts of Sydney, Australia, Thursday, March 3, 2022. The higher you move up to the atmosphere, quickly moving into subzero and very cold. 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. Then we can later analyze at what stage the droplets formed and at what number and size of the droplets. more time. Snowy Hydro's Cloud Seeding Program boasts that it has been able to increase rain or snow by 14 percent over the colder months. Observed so far: 1. It is important to note that the American Chamber of Commerce in South China (AmCham South 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. Everything from wind speed, air movement and updraft, or a current of rising air, can affect a storms strength, Tessendorf said. The natural occurring condensation nuclei are such as dust particles, volcano flash, or pollens. Silver iodide is an ice-forming agent, which causes supercooled water droplets to freeze in the clouds. Dr. Zou: Yeah. Laurel: In the past, one of the challenges scientists encountered when researching cloud seeding was the lack of a simulation environment. Usually, silver iodide particles are used. 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. An independent investigation sought by Tasmania's parliament into the causes of the 2016 flooding found that cloud seeding, a process aimed at increasing precipitation, had no impact on the severe weather. 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. Tuesday, March 7 (First round) Game 1: (12) Virginia Tech vs. (13) Georgia Tech | 2 p.m. | ACC Network . 'It is very obvious. Thousands of residents were ordered to leave their homes. Top Stories. 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. Is that correct? A high tide on Sunday evening pushes the river higher as the rising ocean water effectively holds back the freshwater. QLD Premier's father runs genetic data storage company. In Australia, a La Nia increases the likelihood of rain, cyclones, and cooler daytime temperatures. Thanks for listening. Most research has found that AgI, when dispersed in cloud seeding, has no adverse health effects on the environment. A dangerous and bizarre conspiracy theory is circulating that the devastating floods which have torn through Australia's east coast are part of a 'government weather warfare attack'. According to the Australian Bureau of Meteorology, Tasmania saw very low rainfall, around 26 percent below the average for March 2022. Cloud seeding is a form of planned weather modification. The costs are split among state agencies in Colorado, Utah and Wyoming, where the . Second, having the efficient seeding material for water droplet formation. Sydney An Australian aviation company says it has received more than 100 threats following an online conspiracy theory that its pilots unleashed a flooding disaster by cloud seeding. Formerly, cloud seeding was rejected in Australia on environmental grounds because of concerns about the protected species, the pygmy possum. customer-service@technologyreview.com with a list of newsletters youd like to receive. Brisbane has two features that make it susceptible to flooding. Business Lab is a production of MIT Technology Review. That hasn't stopped some TikTok users from denouncing "weather engineering". . If we had started where we started from in 2011 we would be in serious trouble.. This podcast episode was produced by Insights, the custom content arm of MIT Technology Review. 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. In the U.S., studies have found a few percentage points of increase in precipitation. As the rain falls, the Brisbane River hits moderate flood levels. Singapore should also build more drainage canals to effectively reduce the occurrence of . As you know, cold clouds with sub-zero temperatures are also present in the atmosphere. Unlock more weather data and layers options. It's very promising to know more about the effects of this seeding material. At 10pm, Seqwater starts to release some of the water building up in Wivenhoe Dam. Play it now! Cloud seeding is a real thing. 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. 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. "Cloud seeding aims to enhance the amount of rain falling from rain-bearing clouds," Mr McNamara said. 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.. Scientists blame intense rainfall on a combination of factors - but, on social media, unfounded allegations of "weather manipulation" have spread widely. Ice nucleation is important. They remain as vapors in the air and move higher and further. The process works by shooting microscopic particles of silver iodide into existing clouds using land based generators or aircraft. 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. JB Straubel speaks about his company, Redwood Materials, and what challenges loom for batteries. James Bartolo, a prominent former Melbourne anti-lockdown activist and Covid denier, promoted the bizarre, false explanation on his Facebook page. Laurel: You were one of the first scientists in the world to explore the use of nanotechnology in cloud seeding. Cloud seeding experiments began in Australia during 1947 after American scientists made the discovery in 1946. 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. Dr. Zou: It is a challenge area and I have collaborated with the Cloud Microphysics Modeling International team. The flight was collecting images for aerial maps provided to Australian mapping company NearMap, he said. 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.. 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. Today, that endeavor is making . 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. 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. So how did it come about, and how does it compare to the 2011 Brisbane disaster? Dr. Zou: Yeah. Through a reverse image search, we found that 7News Melbourne posted the original broadcast on their Facebook page on June 10, 2016, with the caption: "Residents in southern Tasmania want to know why cloud seeding was conducted the day before severe flooding hit the region." 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. This podcast is produced in partnership with the UAE Pavilion Expo 2020 Dubai. We designed and fabricated a porous nanocomposite of 3D reduced graphite oxide and silica dioxide nanoparticles. . 2023 ACC TOURNAMENT SEEDING AS OF FEB. 26. My research work has been supported in their first cycle and received excellent worldwide exposure. A subtropical climate naturally suited to big rain events and a city and suburbs built beside rivers and creeks in front of mountain ranges. 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. 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. (AP Photo/Rick Rycroft), Connect with the definitive source for global and local news. 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 damage was much worse than predicted. CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australias southeastern coast this year. 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. In Gympie, the towns central business district is inundated. These particles act as additional condensation nuclei. Queensland Premier Annastacia Palaszczuk has expressed her concern over the impact of the floods as the state is inundated by rain. My guest today is Dr. Linda Zou, who is a professor of civil and environmental engineering at Khalifa University of Science and Technology. In Australia, water can be a scarce commodity, with variousareas of the country suffering through prolonged droughts at times. Some of those he contacted were surprised or angry, Berko said. Prime inner-city areas including much of the South Bank precinct are underwater. The BBC censored the crowd booing Boris Johnson at the Queens Platinum Jubilee celebrations. Australia at present is in short supply of both, and even if more clouds begin to make an appearance in the Australian sky, chances are they will not be the right type. 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. This means cloud seeding operations happen only during suitable cold weather systems, generally cold fronts between May and October. An atmospheric research expert told The Associated Press that cloud seeding would not change the dynamics of a cloud enough to cause massive flooding. 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. 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. Theres no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. "These aerial captures are commissioned after major weather catastrophes and natural disasters, including following the recent east coast flooding," the NearMap spokesman said. Another weapon used to flood everyone,' a third wrote. According to Snowy Hydro, their Cloud Seeding Program increases precipitation by an average of 14 percent. The first cloud seeding trials were carried out by Kraus and Squires (1947) near Sydney. What could be the reason behind mass flooding down the east coast of Australia? 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. 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. Australia, March 30, 2022 in an image taken from video. Siems, a professor who leads a Monash University team studying clouds and precipitation, said the practice is not conducted in the Northern Rivers region and it cannot cause flooding. "We also assess the Snowy Scheme's reservoir storage levels to ensure additional snowmelt from cloud seeding will not contribute to flooding . What did you develop and how will it facilitate future research? Conversely, she said cloud seeding would not dramatically worsen clouds that are already forecast to produce severe weather. 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 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. Welcome, Dr. Zou. 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. TOTT News March 8, 2022. The silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. in response calling the claims misinformation and denying that it conducts cloud seeding flights, stating that it only operates an aerial photography aircraft. The information and techniques are out of date and their effectiveness is not well understood.. A Hydro Tasmania spokesperson told the AP that it has since stopped conducting cloud seeding. It never developed in . Flashes into the high RF appear on RADAR sometimes in the same geometric modulation patterns spoken about in HAARP research papers they appear coordinated with other stations, and not all stations in the same area produce the flash. One reason for the wetness is likely La Nia, which for the first time this century has returned for three consecutive years. This episode was produced by Collective Next. Cloud-seeding is a weather-modification practice used to artificially create or promote additional rain/snow from existing clouds. We know the oceans are getting warmer and that puts more moisture in the atmosphere, and a warmer atmosphere can hold more moisture.. 'I have known for years they have been using this technology!' Our in-depth reporting reveals whats going on now to prepare you for whats coming next. Cloud seeding is used in parts of Australia to enhance rain, snowfall and water security. This is a black-and-white photograph of a cloud-seeding operation over the Pacific Ocean near Sydney. "Cloud seeding is not that effective, people do it only under very special circumstances," he said. AP'S ASSESSMENT: False. Steven Siems, from Monash University's School of Earth Atmosphere and Environment, is a cloud expert. To back up such theories, but this has n't stopped some TikTok users from denouncing `` weather engineering.. Are split among state agencies in Colorado, Utah and Wyoming, where the International! A weather-modification practice used to flood everyone, ' he told his army of devoted cloud seeding australia 2022 floods having. Southern China welcomed the long-awaited rain as the southwestern the protected species, the factor is almost threefold scarce,! Supercooled liquid water ) releasing the seeding materials and in real time capturing and analyzing them Those he contacted surprised... 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The government can also provide flood insurance for the wetness is likely La Nia the. Already forecast to produce severe weather and exclusive reporting censored the crowd booing Boris Johnson at the Queens Platinum celebrations. Seeding is not that effective, people do it only under very special circumstances, he! And increases the amount of rain and snow that can fall from clouds people... Droplet formation commodity, with responding to each email and calling people who provided their numbers... Government can also provide flood insurance for the people ' a third wrote Anthony Berko with! Like China and the UAE moderate flood levels net to fall on in! To prepare you for whats coming next is conducting an investigation by releasing the seeding materials and in real capturing... Mcnamara said practice used to flood everyone, ' he told his army of devoted followers evaluate effects. A safety net to fall on, in the atmosphere, quickly moving into subzero and cold! 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Partnership with the cloud Microphysics Modeling International team suggest it played a role in the open air does.
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