Cyclones are slowing down in Australia - A study in Nature, the science journal, has shown tropical cyclones in Australia have slowed down 19% in the past 70 years due to global warming.

Find what this means to our tropical zones and what we can expect in the future.

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Less - The amount of cyclones in Australia has decreased in recent years, which isn't necessarily bad news.

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Destruction - But according to this study it means the cyclones hang around for a longer period of time, causing more destruction and devastation.

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Worldwide - Worldwide cyclones have slowed down by 10% from 1949 to 2016.

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Over the ocean - According to the study, the global 10% increase in translation speeds (how fast a cyclone passes over an area) "withstands rigorous statistical testing and is dominated by tropical cyclones over the ocean."

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Land - However, tropical cyclones over land have varying translation speeds depending on the region.

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Third - Areas within the western area of the North Pacific tropical cyclone region have slowed down 30%.

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Cyclones - While in the North Atlantic tropical cyclone region, speeds are down by 20%.

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Costly - The most costly and devastating natural disasters are tropical cyclones, according to Security Magazine.

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Floods - The strong winds, flooding and mudslides are associated with storm surges and heavy rainfall during cyclones.

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Combination - This study explains that the rate of rainfall is inversely proportionate to that translation speed.

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Meaning - Meaning the slower the translation speed, the more rainfall over a given area.

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Nature - "Translation speeds have slowed, suggesting that the total amount of regional rainfall from tropical cyclones might have increased," according to Nature magazine.

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Global warming - According to news.com.au, "the slowdown is likely to contribute to worsening destruction alongside the associated increase in rain rates caused by global warming."

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Harvey - The study shows that the "stall" Texas' Hurricane Harvey had in 2017 was in relation to regional rainfall amounts and tropical-cyclone translation speed.

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Stall - The study mentions "stalled tropical cyclones are relatively rare, making it difficult to evaluate whether there are statistically significant trends in the limited observations available."

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Categorised - "[Tropical cyclones] are categorised by how intense their most intense winds are. The most intense winds usually lie very close to the eye," Dr Liz Ritchie said to ABC.

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Five - There are five categories in Australia for tropical cyclones to determine how strong the wind speed is.

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Prepare - The categories are used to determine the amount damage and destruction to an area. This allows residents to prepare.

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Cyclone Marcia - In 2015 a ranger at Mon Ropos conservation park safely relocated turtle eggs and hatchlings from Bundaberg in preparation of Cyclone Marcia.

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Rating - There are different rating systems all over the world, Australia and the U.S. differing significantly.

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Australian scientist - Recently retired Australian scientist Greg Holland determined an overall rating called the Cyclone Damage Potential (CDP) to help determine land damage.

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Winds - Tropical cyclones tend to go the direction and speed of the winds in the surrounding environment.

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Change - "Any change in tropical circulation could conceivably affect tropical-cyclone translation speed," the study explains.

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Extreme weather - Since 1900, Australia has seen an increase in extreme weather according to ABC.

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Wind storm - Wind storms saw 525 fatalities between 1900 and 2015 in Australia.

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Bushfire - There were 825 fatalities from bushfires from 1900 to 2011 in Australia.

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Tropical cyclone - Tropical cyclones were the cause of 1,216 from 1900 to 2015 in Australia.

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Flooding - There were 1,859 deaths due to flooding between 1900 and 2015 in Australia.

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Extreme heat - Heatwaves and extreme heat has seen 4,555 fatalities from 1900 to 2011 in Australia.

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