Cited by 137Climate variability and modelsHydrology and Drought AnalysisMeteorological Phenomena and Simulations

Precipitation extremes over the continental United States in a transient, high‐resolution, ensemble climate model experiment

Singh, Deepti, Tsiang, Michael, Rajaratnam, Bala, Diffenbaugh, Noah S.·2013·Journal of Geophysical Research: Atmospheres

Abstract

Understanding future changes in the frequency, intensity, and duration of extreme events in response to increased greenhouse gas forcing is important for formulating adaptation and mitigation strategies that minimize damages to natural and human systems. We quantify transient changes in daily‐scale seasonal extreme precipitation events over the U.S. using a five‐member ensemble of nested, high‐resolution climate model simulations covering the 21st century in the Intergovernmental Panel on Climate Change (IPCC) Special Report on Emission Scenarios (SRES) A1B scenario. We find a strong drying trend in annual and seasonal precipitation over the Southwest in autumn, winter, and spring and over the central U.S. in summer. These changes are accompanied by statistically significant increases in dry‐day frequency and dry‐spell lengths. Our results also show substantial increases in the frequency of extreme wet events over the northwestern U.S. in autumn, winter, and spring and the eastern U.S. in spring and summer. In addition, the average precipitation intensity increases relative to the extreme precipitation intensity in all seasons and most regions, with the exception of the Southeast. Further, most regions receive a greater fraction of total seasonal precipitation from extreme events. These results imply fewer but heavier precipitation events in the future, leading to more frequent wet and dry extremes in most regions of the U.S. Our simulations suggest that many of these changes are likely to become statistically significant by the mid‐21st century. Given current vulnerabilities, such changes in extreme precipitation could be expected to increase stress on water resources in many areas of the U.S., including during the near‐term decades.

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Crossref · 10.1002/jgrd.50543

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  • A weakening of orographic rain shadows related to changes in precipitation extremes has previously been noted in simulations of climate warming over North America.

    “A weakening of orographic rain shadows related to changes in precipitation extremes has previously been noted in simulations of climate warming over North America [22, 75].”

    From Precipitation Extremes Under Climate Change (2015) · cites this paper as [75]

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Authors
Singh, D., Tsiang, M., Rajaratnam, B., & Diffenbaugh, N. S.
Affiliations
  • Stanford University (US)
  • Purdue University West Lafayette (US)
Corresponding author
Singh, Deepti
Venue
Journal of Geophysical Research: Atmospheres
Published
2013-07-11
Volume
118
Issue
13
Pages
7063-7086
ISSN
  • 0148-0227 (ISSN-L)
  • 2169-897X
  • 2169-8996
OpenAlex
W2166421503
Cited by
137
References
94
Citations by year
2026: 2 · 2025: 6 · 2024: 6 · 2023: 8 · 2022: 12 · 2021: 18 · 2020: 21 · 2019: 10 · 2018: 13 · 2017: 11 · 2016: 7 · 2015: 17 · 2014: 4 · 2013: 1
FWCI
7.34
Type
journal article
Language
en
Open access
closed
Locations
Journal of Geophysical Research Atmospheres (publishedVersion)
Funders
  • NIH (1R01AI090159-01)
  • DOE (DE-SC005171)
Topics
  • Physical Sciences › Environmental Science › Global and Planetary Change › Climate variability and models
  • Physical Sciences › Environmental Science › Global and Planetary Change › Hydrology and Drought Analysis
  • Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Meteorological Phenomena and Simulations
Keywords
heavy rainfall, climate change projections, SRES A1B scenario, dry spells, precipitation intensity, seasonal precipitation trends, regional precipitation change, United States climate

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