Extreme Rain from Thunderstorms is Rising Due to Climate Change


precipitation_nca_1991-2012_lrg
Precipitation change in the U.S. from 1991 to 2012. (NASA)
Jake Slobe | Febraury 20, 2017

This week’s On The Radio segment discusses a recent study linking climate change and an increase in heavy rain events.

Transcript: An increase in extreme rain events could change the ways cities handle storm water management and flooding.

This is the Iowa Environmental Focus.

Rain is increasingly falling in the form of short, localized bursts associated with thunderstorms found a new study released in Science Advances late last month.

The study directly links this increase in heavy rain storms to the warming and moistening of the atmosphere caused by rising greenhouse levels.

The results fit with rainfall trends already observed in the U.S., as well as model predictions that massive rains associated with thunderstorms could become both more common and more intense in the U.S. as the world continues to heat up.

Extreme downpours have already been increasing in the U.S., most notably in the Northeast, where they have increased by 71 percent since mid-century, according to the 2014 National Climate Assessment.

Upon previous research which has also predicted an increase in extreme rain events due to climate change.

To learn more about this study, visit iowaenvironmentalfocus.org.

From the UI Center for Global and Regional Environmental Research, I’m Betsy Stone.

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