The global water shortage has continuously intensified by rapid population growth and economic development around the world. Singapore should also build more drainage canals to effectively reduce the occurrence of . 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. Laurel: In the past, one of the challenges scientists encountered when researching cloud seeding was the lack of a simulation environment. . Leverage advanced weather intelligence and decisioning tools for your enterprise business. The Queensland capitals mayor, Adrian Schrinner, says there is a rain bomb over the city. upcoming events, and more. Australian National Review is Australia's first real free and independent press, one with no editorial control by the elite, but a publication that can generate critical thinkers and critical debate and hold those . Formerly, cloud seeding was rejected in Australia on environmental grounds because of concerns about the protected species, the pygmy possum. The claim is false. Laurel: You've also developed another kind of technology, ice nucleating particles. 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 . Read about our approach to external linking. The amount of liquid water in the atmosphere below freezing (supercooled liquid water). 3 January 2020. 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. Could this all just be a . . There's no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. 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. 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. Conspiracy theorists claim the motive for 'elites' carrying out a 'weather attack', which have seen communities around Byron Bay and Lismore underwater is to move people into 'smart cities'. 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. Conspiracy theorists have claimedthe floods devastating Australia's east coast are part of a 'government weather warfare attack'. Often they require minus 25 degrees or even lower. 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. Social media users are also sharing a separate example to baselessly claim that cloud seeding played a role in flooding that happened throughout February and March in Queensland and New South Wales, leading to more than a dozen deaths. Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud seeding materials. 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. Dr. Zou: In the natural water cycle on the earth, the sun irradiates on the surface of our planet and the water on the surface is evaporated by the heat as the vapors. To "seed" cloud formation, a small aircraft releases a cloud of particulate matter. Usually, silver iodide particles are used. 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. Cloud seeding gives these clouds a lot more ice crystals (or cloud nuclei). There are up to 15,000 homes flooded in the city, with 1,544 people in evacuation centres in the south-east. 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 . Media reports estimated at least 22 . 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. NOTE: Dry ice used for cloud-seeding = solid carbon dioxide = CO2. 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'. There is no single cause for the intense rainfall Sydney has experienced in the last few days. You are also pursuing funding initiatives at this point too, for your research. Despite the online claims, cloud seeding is not responsible for any of the east coast floods, said weather modification expert Simon Siems. 27 Jul 2022, 11:08 AM UTC Cloud seeding in Australia. But others were distressed, telling the experienced pilot they had lost everything during the floods and thought the company was responsible. These particles act as additional condensation nuclei. Conspiracy theorists have claimed that cloud seeding leads to climate change and natural disasters like floods. 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. Source: Snowy Hydro. Get in touch. Theres no evidence to suggest it played a role in the 2022 floods in southeastern Australia, either. Mr Bartolo's followers claimed aircraft leaving 'chemtrails' in the sky across NSW is how the cloud seeding process is being administered. Cloud seeding: Making rain in desert. 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. 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." However, Dr. Zou explains, The cloud-seeding materials used today have been around for many decades. It can enhance precipitation in areas experiencing drought, among other uses. Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). This cloud seeding area spans over the high elevation areas of the Snowy Mountains within the Snowy Hydro water catchment area, covering approximately 2110 square kilometres. Ice nucleation is important. 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. Why Is the Government Cloud Seeding in NSW's Over the Areas That Have Just Been Ravaged by Floods? A Hydro Tasmania spokesperson told the AP that it has since stopped conducting cloud seeding. Mass Floods and Australia's High-Speed Rail. Cloud seeding can use either ground based generators and / or aviation for operations. Staggering snowfall in California mountains leaves residents trapped for days, SpaceX launches new crew to space station, Prosecution wraps case at Alex Murdaugh murder trial, White House cybersecurity strategy pivots to regulation, Explosive found in checked luggage at Pennsylvania airport, feds say, Rape kits from two women lead to arrest in 1979 murder of one of them, FDA authorizes first at-home test for both COVID and flu, Couple accuses fertility clinic of implanting embryo with cancer genes, Several hospitalized after Lufthansa flight diverted to Dulles due to turbulence. Laurel: Although cloud seeding has been around for decades, how does today's technology move it toward a greater success rate? 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. The delivery of this salt is to vaporize them by ignition by a flare device. Prime inner-city areas including much of the South Bank precinct are underwater. Australia floods: Nearly a metre of rain in just four days. As a result, flooding this time has been much more extensive from small creeks and large rivers, he says. The flight lasted an hour and 34 minutes over the Upper Derwent catchment, targeting Lake Echo. 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. 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. 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. Resources: https: . Our topic today is cloud seeding to increase rainfall. So it has a huge possibility to improve its efficiency. There is devastation in northern NSW as Wilsons River rises two metres above previous flood records, inundating the town of Lismore. 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 silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. Vivek Ramaswamy: The Indian . Apr 22, 2022. Dr. Zou: Yeah. They remain as vapors in the air and move higher and further. Recent research suggests that the decades-old approach can be effective, though questions remain about how much water it can wring from the sky. This is a black-and-white photograph of a cloud-seeding operation over the Pacific Ocean near Sydney. That is about three Sydney Harbours worth of water. The area of cooler air in the upper atmosphere drifts into the low pressure trough and starts to deliver record-breaking downpours over Brisbane and its surrounds. 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. On Tuesday morning evacuation orders are issued for South Ballina. 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. , first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australias southeastern coast this year. Were not altering the updraft of the clouds. Pictured: Homes inundated by floodwater in Lismore, NSW, James Bartolo (pictured) is a former bodybuilder who promotes a range of bizarre conspiracies. This data describing my new seeding materials property and their interactions in atmosphere. 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, Hydro Tasmania also denied that its flights were to blame and said in a, shows the operation had no measurable impact on rainfall on that day., Sarah Tessendorf, a project scientist at the Colorado-based. According to Domensino, some 611.6mm of rain fell on the city between 9am Friday and 6pm Sunday the highest three-day total in records dating back to 1840. It involves manipulating existing clouds to try and help them produce more rain or snow. Clouds form when water vapor in the atmosphere cools and condenses to form tiny water droplets or ice crystals in the sky. Dr. Zou: We want to move the materials, as I mentioned, from laboratory already and scale up, so it has a chance of reaching the market and to reach many different parts of the world as well, because there are so many countries worldwide that practice weather modification. Some social media users are spreading false theories about what has caused multiple floods in Australia in recent years. 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. Like: 'we have the pilots' names, we know where you live, you're going to pay for this,' kind of stuff," Handel told AFP. 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. 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. Fast forward to 2022 as Las Vegas, Nevada and the UAE are dealing with severe flooding which happened after acknowledged cloud seeding operations. Business owners in central Gympie scramble to get stock out of their stores and residents prepare to evacuate. - 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. Unlock more weather data and layers options. It involves manipulating existing clouds to try and help them produce more rain or snow. It's very promising to know more about the effects of this seeding material. But conspiracy theorists aren't buying it. The technique has been around for decades. "Cloud seeding is a . In the U.S., studies have found a few percentage points of increase in precipitation. Experts said that the floods in Australia were naturally occurring and cloud seeding cannot cause flooding. The BBC is not responsible for the content of external sites. CORRECTION: We have added an additional source relating to cloud seeding that debates its harmless nature. 'Could also be the start of the universal basic income scheme for the displaced victims of this tyranny? Nobody has ever seen this amount of rain in such a short period of time over our south-east catchment, says the Queensland premier, Annastacia Palaszczuk. This material can initiate ice nucleation followed by rapid growth starting from a temperature of minus 80 degrees. Unfortunately, such material is unpredictable, where and how much available. It's obvious when viewed on the radar.'. 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. . 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. Bartolo's move to Gold Coast came after getting arrested in a dramatic police raid in Melbourne in September 2020. A decades old idea, with todays innovation, might be the answer to help drought-stricken countries and to fight climate change. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. The damage was much worse than predicted. Design thinking was supposed to fix the world. Cloud condensation nuclei can be introduced into the atmosphere naturally or artificially. "These aerial captures are commissioned after major weather catastrophes and natural disasters, including following the recent east coast flooding," the NearMap spokesman said. The tiny vapors rise into the atmosphere without condensation nuclei, which are small particles. The image below shows how silver iodide can be used to create snow on the leeside of a mountain range. The previous record was 600.4mm in 1974. reach out to us at The first cloud seeding trials were carried out by Kraus and Squires (1947) near Sydney. For cloud seeding to produce rain you need moisture to begin with. I'm the Director of Insights, the custom publishing division of MIT Technology Review. Immediately after the seeding is released, the electronic equipment, which are electronic optical cameras, will quickly take many, many photos to record the image while the seeding material's falling. There is no evidence to prove cloud seeding affected the flood. Feast to Famine: Mass Floods and Australia's High-Speed Rail. She added at $28-$34 per acre foot, cloud seeding is relatively cheap. Mr Bartolo moved to the Gold Coast in November 2020 after he was charged with incitement for organising illegal protests during Melbourne's lockdown. This type of microphysical response is very unlikely to produce such an overwhelming change in the cloud.. Mar 27, 2022 Cloud Seeding, . Dr. Zou: Yeah. 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. The PUB should constantly monitor the weather patterns and warn the people when a flood is about to occur. Cloud seeding. 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. Do not sell or share my personal information. The innovation of my project is the characteristics data we obtained from the experiment. That's it for this episode of Business Lab. Pilots get "really violent" threats after online rumors wrongly pin devastating floods on cloud seeding. In just four days, the equivalent of eight months' worth of rain fell, paralysing certain areas of Australia's largest city. Conversely, she said cloud seeding would not dramatically worsen clouds that are already forecast to produce severe weather. 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. These images are used to assess the damage caused by recent weather events.. 2022 AFP. 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. Handel said he tasked his operations manager, Anthony Berko, with responding to each email and calling people who provided their phone numbers. Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud-seeding materials. Greta Thunberg joins activists' protest against a wind farm in Norway, Stronger hurricanes threaten homes even away from the coasts, Venice canals run dry as lingering weather system impacts tide cycles, Climate change is making winter weather warmer and "weirder". THE 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. 7 July 2022. April 8, 2022 / 6:52 AM / AFP . "Cloud seeding aims to enhance the amount of rain falling from rain-bearing clouds," Mr McNamara said. 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. Now theyve finally become mainstream. An atmospheric research expert told The Associated Press that cloud seeding would not change the dynamics of a cloud enough to cause massive flooding. 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. A really strong storm, she explained, will already have a very strong updraft and windflow characteristics that help create the cloud to begin with. 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. 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. 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: 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. For one of the planes, only the nose and part of the propeller are visible, and the photograph appears to have been . This podcast is produced in partnership with the UAE Pavilion Expo 2020 Dubai. But experts say the flooding has been worsened by climate change and a La Nia weather phenomenon. Researchers have been trying to . 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