Climate Attribution

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Ecological Impacts of the 2015/16 El Niño in the Central Equatorial Pacific

January 2018
Russell E. Brainard, Thomas Oliver, Michael J. McPhaden, Anne Cohen, Roberto Venegas, Adel Heenan, Bernardo Vargas-Ángel, Randi Rotjan, Sangeeta Mangubhai, Elizabeth Flint, Susan A. Hunter
Bulletin of the American Meteorological Society
Coral reef and seabird communities in the central equatorial Pacific were disrupted by record-setting sea surface temperatures, linked to an anthropogenically forced trend, during the 2015/16 El Niño.Read More →

Anthropogenic Enhancement of Moderate-to-Strong El Niño Events Likely Contributed to Drought and Poor Harvests in Southern Africa During 2016

January 2018
Chris Funk, Frank Davenport, Laura Harrison, Tamuka Magadzire, Gideon Galu, Guleid A. Artan, Shraddhanand Shukla, Diriba Korecha, Matayo Indeje, Catherine Pomposi, Denis Macharia, Gregory Husak, Faka Dieudonne Nsadisa
Bulletin of the American Meteorological Society
A 40-member CESM LE ensemble indicates that climate change likely increased the intensity of the 2015/16 El Niño, contributing to further decreases in SA precipitation, crop production and food availability.Read More →

2017 Montana Climate Assessment

September 2017
Cathy Whitlock, Wyatt F. Cross, Bruce Maxwell, Nick Silverman, and Alisa A. Wade
Montana Climate Assessment
This assessment reports on climate trends and their consequences for three of Montana’s vital sectors: water, forests, and agriculture.Read More →

Influence of Anthropogenic Climate Change on Planetary Wave Resonance and Extreme Weather Events

March 2017
Michael E. Mann, Stefan Rahmstorf, Kai Kornhuber, Byron A. Steinman, Sonya K. Miller, Dim Coumou
Scientific Reports
This study uses climate models and observational surface temperature datasets to demonstrate an increase in the projection for a fingerprint in the zonal mean surface temperature profile that is associated with QRA-favorable conditions. Read More →

Influences of Natural Variability and Anthropogenic Forcing on the Extreme 2015 Accumulated Cyclone Energy in the Western North Pacific

December 2016
Wei Zhang, Gabriel A. Vecchi, Hiroyuki Murakami, Gabriele Villarini, Thomas L. Delworth, Karen Paffendorf, Rich Gudgel, Liwei Jia, Fanrong Zeng, Xiaosong Yang
Bulletin of the American Meteorological Society
The extreme value of the 2015 western North Pacific accumulated cyclone energy was mainly caused by the sea surface warming in the eastern and central Pacific. Read More →

A multiregion model evaluation and attribution study of historical changes in the area affected by temperature and precipitation extremes

December 2016
Andrea J. Dittus, David J. Karoly, Sophie C. Lewis, Lisa V. Alexander, and Markus G. Donat
American Meteorological Society
Using simulations performed under different radiative forcing scenarios, a clear anthropogenic signal is found in the trends in the maximum and minimum temperature components for multiple regions.Read More →