Attribution of Weather and Climate Events    
Available resources    

This page lists projects providing resources for investigating extreme weather in the context of human-induced climate change.
C20C+ D&A
Project
ETCCDI
HadObs
IDAG
Interpreting
Climate
Conditions
weather@home
WRAF
WWA

C20C+ Detection and Attribution Project
Description
The C20C+ Detection and Attribution Project aims to produce a large pool of output from climate models and impact models for use in improving our understanding of extreme weather in the context of past and current climate change.
Information
The project web page is located here. The project is part of the International CLIVAR Project of the World Climate Research Programme.
Contact: dstone@lbl.gov
Data
Output from the simulations is available on the Earth System Grid Federation under project label "c20c". No registration is required. Most data can also currently be accessed via html.

Description
The Calibrated and Systematic Characterization, Attribution, and Detection of Extremes project has four research areas intended to advance our ability to identify and project climate extremes caused by manmade climate change:
  • Characterization, detection, and attribution of observed extreme events
  • Evaluation and improvement of climate models for simulating extreme weather events
  • High performance computing to detect and predict extremes in warmer climates
  • Statistical methods to quantify changes in extreme weather in light of uncertainty
Information
The project web page is located here.
Data
The CASCADE project contributes data to and manages the data portal for the C20C+ D&A Project on the Earth System Grid Federation under project label "c20c". No registration is required.

ETCCDI
Description
The joint CCI/CLIVAR/JCOMM/GEWEX Expert Team on Climate Change Detection and Indices (ETCCDI) has a mandate to address the need for the objective measurement and characterization of climate variability and change by providing international coordination and helping organizing collaboration on climate change detection and indices relevant to climate change detection, and by encouraging the comparison of modeled data and observations. This includes development of indices of extreme weather.
Information
Information on ETCCDI activities is provided here here.
Data
Index definitions, data, and software are provided here.

Description
The EUropean CLimate and weather Events: Interpretation and Attribution (EUCLEIA) is working closely with stakeholders to establish their requirements for event attribution products, and to help develop climate attribution strategies.
Information
Information about the project is available here.

HadObs
Description
The Met Office Hadley Centre produces and maintains a range of gridded datasets of meteorological variables for use in climate monitoring and climate modelling.
Information
Information is provided on the web page.
Data
The web site provides access to various datasets for bona fide scientific research and personal usage only.

International Detection and Attribution Group
Description
The International Detection and Attribution Group (IDAG) is a group of specialists on climate change detection and attribution, who develop and disseminate methods and analyses for diagnosing the human influence on past and current climate.
Information
Some information on IDAG can be found here.
Data
The "Optimal Detection" software developed and applied by members of IDAG is available here (runs on IDL/GDL).

Interpreting Climate Conditions
Description
The Interpreting Climate Conditions activity at NOAA's Earth System Research Laboratory seeks to provide an explanation of evolving climate conditions and to assess their predictability.
Information
Information on the research activity can be found here.
Data and online analysis tools
Data can be downloaded or analysed using an online interface trhough the FACTS portal.

Description
The Japanese Program for Risk Information on Climate Change produces climate change projections, investigate carbon cycles, and assess climate change impacts. Event attribution experiments are performed using the MIROC5 model.
Information
Information about the project is available here.
The description papers of the MIROC5 event attribution experiments are:
  • Shiogama, H., Watanabe, M., Imada, Y., Mori, M., Ishii, M. and Kimoto, M. (2013), An event attribution of the 2010 drought in the South Amazon region using the MIROC5 model. Atmosph. Sci. Lett., 14: 170-175. doi:10.1002/asl2.435. (link)
  • Shiogama, H., M. Watanabe, Y. Imada, M. Mori, Y. Kamae, M. Ishii, and M. Kimoto, 2014: Attribution of the June-July 2013 heat wave in the southwestern United States. SOLA, 10, 122-126, doi:10.2151/sola.2014-025. (link)
Data
Some simulation output is available on the Earth System Grid Federation under project label "c20c". Please contact to Hideo Shiogama (hiogama.hideo@nies.go.jp) for further data.

weather@home
Description
The weather@home project uses thousands of personal computers volunteered around the world to run regional climate models to answer the question: how does climate change affect our weather.
Information
The project web page is located here. The project is led by the University of Oxford's climateprediction.net.

Weather Risk Attribution Forecast
Description
Running since 2010, the Weather Risk Attribution Forecast is the world's first real-time product to examine whether and how greenhouse gas emissions have contributed to our weather.
Information
The project web page is located here. The project is a collaboration between the University of Cape Town and Lawrence Berkeley National Laboratory.
Contact: dstone@lbl.gov
Data
Output from the simulations is available on the data portal of the C20C+ Detection and Attribution Project, on the Earth System Grid Federation under project label "c20c", also accessible via html. Publication of data to the portal is not yet in real-time.

World Weather Attribution
Description
World Weather Attribution is a new international effort designed to sharpen and accelerate the scientific community's ability to analyze and communicate the possible influence of climate change on extreme-weather events such as storms, floods, heat waves and droughts.
Information
The project web page is located here. The project is a collaboration between Climate Central, the University of Oxford Environmental Change Institute, the Royal Netherlands Meteorological Institute, the University of Melbourne, and the Red Cross Red Crescent Climate Centre.


Maintained by: dstone@lbl.gov
Last updated: 3 July 2015


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