News Article 10/30

Title: Why are big storms bringing so much more rain? Warming, yes, but also winds.
As we’re all (hopefully) aware of the last few hurricane seasons have been disastrous for cities and countries around the world. The hurricanes have brought record-breaking rainfall and causing catastrophic flooding – which hurricanes do, but in southern US hurricane(s) Harvey (2017), Florence (2018) and Imelda (2019) have been nothing like previous – they’ve been worse.
This study analyzing the trends that have been observed through 2017 Harvey and 2019 Imelda and why these trends are likely to continue with global warming. The researchers at Princeton have found that the high moisture content of warmer air and storms’ increasing wind speed are directly linked to produce wetter storms.
The hypothesis – a combination of higher sea surface temperatures and stronger storms might explain the predicted increases in rainfall rates, was tested. Through testing this hypothesis they found that the storms holding capacity for water vapor increased due to global warming and that the storms were getting stronger – contributing to higher rainfall rates.
Many researches have predicted what is now being observed for quite sometime but because of this research and, yes, global warming there is a better understanding as to why the probability of hurricanes like Harvey are becoming twice as likely to happen in the future.

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