Global Intensity of Water Cycle Extremes: It has increased from 2002-2021 according to a study in Nature Water.
It is a metric that combines extent, duration, and severity of droughts and floods.
Understanding past and ongoing extreme weather events, and projecting future events, can help improve preparedness and mitigate impacts.
Intense Droughts: It has been found that there was an excess of intense droughts and extreme wet events during 2015–2021, which were also the hottest seven years on record.
During this period, the frequency of the most extreme events was 4 per year, compared with 3 per year over the previous 13 years.
Monthly dry and wet event intensities were well correlated with global mean temperature.
Three of the most intense droughts on record also began in recent years: in the southwestern USA, southern Europe, and southern Brazil.
Wet Event in Africa: The most intense extreme event of the past two decades was a wet event covering all of central Africa, which began in 2019 and is still ongoing.
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