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. Try refreshing this page and updating them one Laurel: This is very critical because the cloud seeding materials go very high up into the atmosphere where it is very cold, correct? 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. The post's caption states, "There were no flood warnings for the area in Tasmania targeted by a cloud-seeding operation the day before floods devastated the town of Ouse." ', 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. concerns about cloud seeding were raised in relation to the 2022 Lismore and South-East Queensland floods. Cloud seeding is usually carried out by sprinkling particles from a plane. This will provide the people with a safety net to fall on, in the event of a flood. Figure 1: The area which is primarily targeted for increased precipitation from cloud seeding operations is shown in red (approximately 2110 km). 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." "These aerial captures are commissioned after major weather catastrophes and natural disasters, including following the recent east coast flooding," the NearMap spokesman said. According to Snowy Hydro, their Cloud Seeding Program increases precipitation by an average of 14 percent. Oct 15 (Reuters) - Floods caused by torrential rain are hitting large swathes of southeast Australia, inundating hundreds of homes and forcing authorities to urge thousands of people to evacuate . I'm your host, Laurel Ruma. Cloud seeding is a real thing. In the U.S., studies have found a few percentage points of increase in precipitation. 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. Dr. Zou: Yeah. Second, having the efficient seeding material for water droplet formation. 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. There was a high degree of luck in terms of where we started from [with Wivenhoe Dam], he says, adding that the climate crisis will only raise the risk of future events. Thousands of residents were ordered to leave their homes. Handel Aviation did not return requests for additional comment. 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. The global water shortage has continuously intensified by rapid population growth and economic development around the world. 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. 2022. It can enhance precipitation in areas experiencing drought, among other uses. 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. March 8, 2022 . "Those numbers tell us that this is an inexpensive way to help add water to the system. Covered in this AustraliaOne Update -. The claim is false. She was awarded a grant by the UAE Research Program on rain enhancement science from 2016 to 2019. The BBC censored the crowd booing Boris Johnson at the Queens Platinum Jubilee celebrations. "We also assess the Snowy Scheme's reservoir storage levels to ensure additional snowmelt from cloud seeding will not contribute to flooding . The flight lasted an hour and 34 minutes over the Upper Derwent catchment, targeting Lake Echo. And two Middle East rivals - the United . A decades old idea, with todays innovation, might be the answer to help drought-stricken countries and to fight climate change. After extensive testing, the CSIRO has determined that cloud seeding is unlikely to be effective in much of Australia. Recent social media posts claim that the 2022 floods in Australia were caused or exacerbated due to cloud seeding. As the trough is expected to move slightly east, computer models show that by Friday there is a bit of a bullseye over Brisbane, a BoM forecaster says. In their place, colder waters come up to the surface. Is that correct? Some conspiracy theorists have been sharing a 2016 news report from the Australian TV network 7News - which has now been watched thousands of times. 2023 ACC TOURNAMENT SEEDING AS OF FEB. 26. History of cloud seeding in Australia 7.5 Americans made the discovery in 1946 that pellets of dry ice could induce precipitation from clouds. Business owners in central Gympie scramble to get stock out of their stores and residents prepare to evacuate. Image: How cloud seeding works in the NSW Snowy Mountains. Leverage advanced weather intelligence and decisioning tools for your enterprise business. Cloud seeding. So how did it come about, and how does it compare to the 2011 Brisbane disaster? We wont run out of key ingredients for climate action, but mining comes with social and environmental ramifications. A device at the top of the chamber releases the seeding materials. It's not infallible, but it's been used all around the world to - for example - help irrigate crops. A team of pilots is conducting an investigation by releasing the seeding materials and in real time capturing and analyzing them. 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. 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. UAE is in the arid climate zone, and the government has already taken the initiative of this UAE research program for re-enhancement science. On Tuesday morning evacuation orders are issued for South Ballina. Personalise your weather experience and unlock powerful new features. Unattached supercooled water vapour molecules in the clouds condense around these particles. Yes, such type of applications. 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 . Artist depiction of cloud seeding drones. Our topic today is cloud seeding to increase rainfall. JB Straubel speaks about his company, Redwood Materials, and what challenges loom for batteries. Trains are cancelled, bus services limited, the main Bruce Highway is closed at multiple locations and 51,000 people are without power. Cloud is an effective and safe way to enhance rain and snowfalls above natural levels. Cloud seeding is a real thing. 3 January 2020. Laurel: Back to your technology, you filed a patent on the cloud seeding material itself. Unlock more weather data and layers options. 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. Cloud condensation nuclei can be introduced into the atmosphere naturally or artificially. In Australia, a La Nia increases the likelihood of rain, cyclones, and cooler daytime temperatures. (Audience submitted: David Bradley)"The extent to which cloud seeding has exaggerated the flood is still . A planned factory marks a major milestone in the US for new batteries that enable lower-cost, longer-lasting EVs. Trials in Tasmania were also successful and since the 1960s, Hydro Tasmania has continued cloud seeding over the state. 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. , first developed in the 1940s, involves spraying fine particles of silver iodide and dry ice into a cloud system. Australia, March 30, 2022 in an image taken from video. 'Surprisingly, they have talked about cloud seeding and weather manipulation on the mainstream media so it's coming from multiple sources now. 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. Experts say no single factor can explain this extreme weather, pointing instead to warmer oceans and saturated soils as contributing factors. These fall to the ground as snow or raindrops, depending on the surface temperatures. 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 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. But a probe by the Tasmanian government found that cloud seeding did not contribute to or worsen the heavy rains - a conclusion since backed by independent scientists and experts. 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. Defence and National Security Intelligence. As the water spreads to northern New South Wales, how did the so-called rain bomb develop? They've basically lost everything and then someone has then said here's your answer," Berko said. Observed so far: 1. If you think a claim has been misjudged or requires correction, please send us evidence to support your error claim. 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. It involves manipulating existing clouds to try and help them produce more rain or snow. She added at $28-$34 per acre foot, cloud seeding is relatively cheap. 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. Everything from wind speed, air movement and updraft, or a current of rising air, can affect a storms strength, Tessendorf said. Mr Bartolo's followers claimed aircraft leaving 'chemtrails' in the sky across NSW is how the cloud seeding process is being administered. one wrote. 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. Cloud seeding has strict requirements. (Photo: Flooding in Loganlea, Queensland on Feb. 28, 2022. 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. Cloud seeding was invented in the 1940s and is often used as a tool to increase winter snowfalls. Laurel: You've also developed another kind of technology, ice nucleating particles. "Cloud seeding is not that effective, people do it only under very special circumstances," he said. In just four days, the equivalent of eight months' worth of rain fell, paralysing certain areas of Australia's largest city. If experts complete seeding at the right time, it leads to more moisture supply, which will eventually create rainwater. 'I have known for years they have been using this technology!' 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. I used an eight cubic meter chamber with controlled humidity and temperature. This episode was produced by Collective Next. 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 . They vary in size. CLAIM: A rain-enhancing process known as cloud seeding caused historic flooding in Tasmania, Australia, in 2016 and along Australias southeastern coast this year. "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," one widely shared post reads. Were having trouble saving your preferences. That hasn't stopped some TikTok users from denouncing "weather engineering". But Khan says the Brisbane flooding could easily have been much worse. Some areas that flow into the river have had 300mm of rain in just six hours. 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. This process is known as glaciogenic cloud seeding. 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'. A dangerous and bizarre conspiracy theory is circulating that the devastating floods which have torn through Australia's . The silver iodide causes water droplets in the clouds to form ice crystals that become heavier and fall faster, releasing precipitation. It never developed in . 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. 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. 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