. 2022. 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. 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. The first cloud seeding trials were carried out by Kraus and Squires (1947) near Sydney. 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. The condensation nuclei that give birth to clouds are extremely small, measuring around two micrometres, which is about 1/100th the size of a single cloud droplet. Experts said that the floods in Australia were naturally occurring and cloud seeding cannot cause flooding. 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. Dr. Zou: Yeah. This process is known as glaciogenic cloud seeding. Experimental cloud seeding technology does actually exist and has been used in places like China and the UAE. The flight was collecting images for aerial maps provided to Australian mapping company NearMap, he said. Reuters quoted the Bureau of Meteorology, which said Sydney had received 1,227 mm (48 inches) of rain so far this year, more than its average annual rainfall of 1,213 mm adding that many coastal towns could see up to 180 mm (7 inches) of rainfall. Laurel: You've also developed another kind of technology, ice nucleating particles. ', 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. Is that correct? Climatology and Geophysics Agency BMKG said the great flood that hit Jakarta in early 2020 was "one of the most extreme rain events" since . For the third time this year, Sydney has been hit by major floods. If we had started where we started from in 2011 we would be in serious trouble.. Welcome, Dr. Zou. In Australia, a La Nia increases the likelihood of rain, cyclones, and cooler daytime temperatures. 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. Learn more about fact-checking at AP. UAE is in the arid climate zone, and the government has already taken the initiative of this UAE research program for re-enhancement science. 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. Image: How cloud seeding works in the NSW Snowy Mountains. It's not infallible, but it's been used all around the world to - for example - help irrigate crops. It was not written by MIT Technology Reviews editorial staff. About as much as eight months' worth of rain has come down in just four days, bringing parts of Australia's largest city to a standstill. As a result, flooding this time has been much more extensive from small creeks and large rivers, he says. It's very promising to know more about the effects of this seeding material. NSW's Snowy Mountains region. There is no evidence to prove cloud seeding affected the flood. The comments below have not been moderated. Cloud seeding is usually carried out by sprinkling particles from a plane. Everything from wind speed, air movement and updraft, or a current of rising air, can affect a storms strength, Tessendorf said. Defence and National Security Intelligence. Cloud seeding was invented in the 1940s and is often used as a tool to increase winter snowfalls. 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 . 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. EPA. 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. Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). I'm the Director of Insights, the custom publishing division of MIT Technology Review. 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. Cloud seeding. Artist depiction of cloud seeding drones. Some of the natural sources include bushfires, volcanoes and dust storms, while artificial sources of condensation nuclei include industry emissions and cloud seeding operations. Cloud seeding can also, in some cases, cause the cloud to grow larger and last longer than it would have without the modification. 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. 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. 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? This nanoengineered shell core structured material can be activated at much broader relative humidity conditions such as about 65%. This is done by firing small particles (usually silver iodide) into clouds. Laurel: Then in the real world where we don't have this controlled chamber, it's not quite as easy necessarily to measure that kind of success. The amount of snow or rain tied to cloud seeding has varied, with up to 14% reported in experiments in Australia. Water that seeps deep into the soil can influence groundwater levels for months. 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. Most research has found that AgI, when dispersed in cloud seeding, has no adverse health effects on the environment. 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. Vivek Ramaswamy: The Indian . Leverage advanced weather intelligence and decisioning tools for your enterprise business. 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. Read about our approach to external linking. This is done by firing small particles (usually silver iodide) into clouds . 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. Were not altering the updraft of the clouds. Share. A planned factory marks a major milestone in the US for new batteries that enable lower-cost, longer-lasting EVs. This is done by firing small particles (usually silver iodide) into clouds . Apr 22, 2022. 'I have known for years they have been using this technology!' Source: Snowy Hydro. Not since Charlemagne was crowned . There is no evidence to prove cloud seeding affected the flood. Cloud-seeding is a weather-modification practice used to artificially create or promote additional rain/snow from existing clouds. Where did it go wrong. Bartolo was handcuffed on his lounge room floor in a struggle seconds after the police broke inside. CORRECTION: We have added an additional source relating to cloud seeding that debates its harmless nature. I used an eight cubic meter chamber with controlled humidity and temperature. 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. Smart Cities World Forum. Why have certain communities been targeted with geoengineered weather? Fast forward to 2022 as Las Vegas, Nevada and the UAE are dealing with severe flooding which happened after acknowledged cloud seeding operations. out 'cloud seeding' - a weather . 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. For the third time this year, Sydney has been hit by major floods. 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Formerly, cloud seeding was rejected in Australia on environmental grounds because of concerns about the protected species, the pygmy possum. upcoming events, and more. . And why has Queenslands capital flooded again just 11 years after the devastation of 2011? The flight path of the Handel Aviation aircraft VH-JIL criss-crossing over flooded areas was also shared online by Australian fashion designer Alice McCall alongside claims it was dropping chemicals to "activate rain.". AP'S ASSESSMENT: False. 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". Dr. Zou: Yes. Conspiracy theorists . Play it now! One patent is filed on the titanium dioxide, sodium chloride material for warm cloud seeding, and another patent is filed for porous graphite oxide, silica dioxide, nano compensated for cold cloud seeding. Nanotechnology can engineer material and design the material with well controlled size, shapes, and properties. According to the Australian Bureau of Meteorology, Tasmania saw very low rainfall, around 26 percent below the average for March 2022. Another weapon used to flood everyone,' a third wrote. Archives of Handel Aviations website dating back to 2008 show that cloud seeding services have never been mentioned or offered on its site and there is no evidence that the company has been involved with the process. He was charged with incitement for allegedly encouraging his social media followers to attend an illegal rally. 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. 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.. reach out to us at If you continue to get this message, one follower wrote. There is no evidence to back up such theories, but this hasn't prevented falsehoods from reaching thousands of people online. Given climate change is a background to all weather events, its hard to say that it does not play a role, he says. The increased snowfall can also benefit ski resorts within the cloud seeding areas. Laurel: Your research signifies a milestone toward achieving greater water security in the world. Is that correct? I'm your host, Laurel Ruma. As Brisbane starts a long and costly clean-up, hundreds of cars are stuck on the main M1 highway to the south. That aircraft was capturing images of the flood damage at the time, according to the statement. 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. At the moment, all possible solutions that could resolve the water shortage issue should be examined carefully. 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. Cloud seeding, first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. For one of the planes, only the nose and part of the propeller are visible, and the photograph appears to have been . This stored water can help ensure renewable energy generation and downstream water availability during future drier years, when inflows are lower. Showers and #thunderstorms will develop across eastern and central #Vic and parts of northern #Tas on Wednesday, continuing across the region until the weekend extending into eastern #SA and western Vic as well.Latest forecasts: https://t.co/EGP9Qynjs3 pic.twitter.com/4dZwkN8TKM. Second, having the efficient seeding material for water droplet formation. This podcast episode was produced by Insights, the custom content arm of MIT Technology Review. Here are the tales of two unsuccessful Queensland rainmaking experiments -Brisbane, 1882 Advertisement, The Brisbane Courier, January 31, 1882In January . The silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. It can enhance precipitation in areas experiencing drought, among other uses. 7 July 2022. Discover special offers, top stories, In the open environment, it's more challenging. Dr. Zou: Yes. It was a wall of water. Cloud seeding is perhaps the ultimate silver bullet, in which literal silver in the form of silver iodide is infused into clouds, causing ice crystals to form and water to condense into rain or snow. A really strong storm, she explained, will already have a very strong updraft and windflow characteristics that help create the cloud to begin with. She was awarded a grant by the UAE Research Program on rain enhancement science from 2016 to 2019. Source: nationalparks.nsw.gov.au My research work has been supported in their first cycle and received excellent worldwide exposure. Dr. Zou leads a groundbreaking research project using nanotechnology to develop cloud seeding materials. Essentially, we are creating a . Tuesday, March 7 (First round) Game 1: (12) Virginia Tech vs. (13) Georgia Tech | 2 p.m. | ACC Network . Covid origin likely China lab incident - FBI chief. 'If you also know this, comment on your awareness of unnatural weather below. After extensive testing, the CSIRO has determined that cloud seeding is unlikely to be effective in much of Australia. BBC. And yet, this myth seems to have found an audience on various social media platforms. 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. Of these four experiments, the Snowy Mountains saw statistically significant increases in rainfall during the experiment. This material can initiate ice nucleation followed by rapid growth starting from a temperature of minus 80 degrees. That is about three Sydney Harbours worth of water. 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. 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. 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!. Conversely, she said cloud seeding would not dramatically worsen clouds that are already forecast to produce severe weather. . Source: Snowy Hydro. 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'. History of cloud seeding in Australia 7.5 Americans made the discovery in 1946 that pellets of dry ice could induce precipitation from clouds. Bartolo's move to Gold Coast came after getting arrested in a dramatic police raid in Melbourne in September 2020. Cloud seeding got its start in 1947, with General Electric scientists working under a military contract to find a way to de-ice planes in cold weather and create fog to obscure troop movements. An amusement ride is seen inundated by floodwaters in Sydney. 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. There is already local flooding from the intense and incessant rain that is interspersed with violent thunderstorms. The PUB should constantly monitor the weather patterns and warn the people when a flood is about to occur. Once such cloud encounters the ice nucleation particles, they rapidly form a large number of ice crystals and bypass the liquid water phase. If you enjoyed this episode, we hope you'll take a moment to rate and review us. Rainfall during the experiment hope you 'll take a moment to rate and Review US for encouraging... An additional source relating to cloud seeding was invented in the US for new batteries that lower-cost. Batteries that enable lower-cost, longer-lasting EVs Brisbane starts a long and costly clean-up, hundreds of cars are on! 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