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Is the intensification of precipitation extremes with global warming better detected at hourly than daily resolutions?

Lookup NU author(s): Dr Renaud Barbero, Professor Hayley Fowler, Dr Stephen BlenkinsopORCiD

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This is the final published version of an article that has been published in its final definitive form by Blackwell Publishing Ltd, 2017.

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Abstract

©2017. American Geophysical Union. All Rights Reserved. Although it has been documented that daily precipitation extremes are increasing worldwide, faster increases may be expected for subdaily extremes. Here after a careful quality control procedure, we compared trends in hourly and daily precipitation extremes using a large network of stations across the United States (U.S.) within the 1950–2011 period. A greater number of significant increasing trends in annual and seasonal maximum precipitation were detected from daily extremes, with the primary exception of wintertime. Our results also show that the mean percentage change in annual maximum daily precipitation across the U.S. per global warming degree is ~6.9% °C−1 (in agreement with the Clausius-Clapeyron rate) while lower sensitivities were observed for hourly extremes, suggesting that changes in the magnitude of subdaily extremes in response to global warming emerge more slowly than those for daily extremes in the climate record.

Publication metadata

Author(s): Barbero R, Fowler HJ, Lenderink G, Blenkinsop S

Publication type: Article

Publication status: Published

Journal: Geophysical Research Letters

Year: 2017

Volume: 44

Issue: 2

Pages: 974-983

Print publication date: 28/01/2017

Online publication date: 04/01/2017

Acceptance date: 01/01/2017

Date deposited: 21/06/2017

ISSN (print): 0094-8276

ISSN (electronic): 1944-8007

Publisher: Blackwell Publishing Ltd

URL: https://doi.org/10.1002/2016GL071917

DOI: 10.1002/2016GL071917

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