ICTP Atmospheric General Circulation Model SPEEDY-Net

A network of research users

SPEEDY 8-layer (version 42) model description:

speedy 8-layer (version 42) description (pdf)


SPEEDY 8-layer (version 41) model description:

speedy 8-layer (version 41) description (pdf)

SPEEDY 8-layer (version 40) model description:

speedy 8-layer (version 40) description (pdf)

Description of a previous SPEEDY 5-layer model (version 23):

speedy 5-layer (version 23) documentation

Articles published at the ICTP using SPEEDY: SPEEDY Articles

SPEEDY 8-layer (version 42) climatology verification:

speedy 8-layer (version 42) verification page

SPEEDY 8-layer (version 41) climatology verification:

speedy 8-layer (version 41) verification page

SPEEDY 8-layer (version 40) climatology verification:

speedy 8-layer (version 40) verification page

Typical performance on an Intel Core (3.20GHz) processor: 1 year of simulation can be run in about 6 min.

For reference, please cite:

Molteni F (2003) Atmospheric simulations using a GCM with simplified
physical parametrizations. I. Model climatology and variability in
multi-decadal experiments. Clim Dyn 20: 175-191
and
Kucharski F, Molteni F, and Bracco A (2006) Decadal interactions
between the western tropical Pacific and the North Atlantic
Oscillation. Clim Dyn 26: 79-91
and
Kucharski, F, Molteni F, King M P, Farneti R, Kang I-S,
and Feudale L (2013) On the need of intermediate complexity general
circulation models: a 'SPEEDY' example.
BAMS 94: 25-30, DOI: 10.1175/BAMS-D-11-00238.1,
http://journals.ametsoc.org/doi/pdf/10.1175/BAMS-D-11-00238.1
On-line version

and
Molteni, F, Kucharski F, Farneti R (2024) Multi-decadal pacemaker simulations with an
intermediate-complexity climate model.
Weather and Climate Dynamics 5(1):293-322,
https://wcd.copernicus.org/articles/5/293/2024/
On-line version

For users of the SPEEDY-NEMO coupled model please cite:

Ruggieri, P., Abid, M.A., Garcia-Serrano, J. et al. (2024)
SPEEDY-NEMO: performance and applications of a fully-coupled intermediate-complexity climate model.
Climate Dynamics (2024).
https://doi.org/10.1007/s00382-023-07097-8
On-line version

For downloading SPEEDY Atmospheric General Circulation Model,
as well as the SPEEDY-NEMO coupled model, please contact: kucharsk@ictp.it (Fred Kucharski)

For a package containing exclusively the SPEEDY physical parameterization please download and follow instructions in the following tar file:

SPEEDY physical parameterization package

Members of the ICTP AGCM-Net

Atmospheric circulation and predictability studies

    • Harvard University, USA:
      Nikolaos Bakas, Dorian Schuyler Abbot and Brian Farrell

    • Bjerknes Centre for Climate Research, Bergen, Norway:
      Juergen Bader

    • Department of Solar Energy & Environmental Physics, The Jacob Blaustein Institutes for Desert Research, Israel:
      Yossi Ashkenazy

    • Dept. of Earth, Atmospheric and Planetary Sciences, Massachusetts Institute of Technology, USA:
      Manfredi Manizza, Jean-Michel Campin and John Marshall

    • University of Alaska Fairbanks, Alaska:
      Martin P. King

    • Croatian Meteorological Service/Univ. of Zagreb, Croatia:
      Cedo Brankovic and Ivana Herceg Bulic

    • Department of Atmospheric Sciences - USP/IAG/ACA, University of Sao Paulo, Brazil:
      Prof. Tercio Ambrizzi and Anita Rodrigues de M. Drumond

    • Department of Meteorology, Reading University, UK:
      Andrew Turner

    • Climate Research Center, Seoul National University, Korea:
      Yang, Young-Min and Jin Ho Yoo

    • Department of Atymospheric and Oceanic Sciences, University of Wisconsin-Madison, USA:
      Stefan Hastenrath

    • Risk Management Solutions, London, UK:
      Steve Jewson

    • Department of Meteorology, University of Maryland, USA:
      Takemasa Miyoshi, Junjie Liuand Eugenia Kalnay

    • Bolsista de Produtividade em Pesquisa - CNPq Universidade Federal de Visa, Brasil:
      Flavio Justino and Rafael Reis

    • Georgia Institute of Technology, Earth and Atmospheric Sciences, USA:
      Julien Emile-Geay

    • Bjerknes Centre for Climate Research - CARBOOCEAN, University of Bergen, Norway:
      Kristof Sturm

    • Cemagref Research Institute, Lyon, France:
      Etienne Leblois

    • Lisbon University, Portugal:
      Maria Joao Rocha

    • Centro de Previsao de Tempo e Estudos Climaticos - CPTEC/INPE, Brazil:
      David Mendes

    • Institute for Computational Earth System Science (ICESS), University of California:
      Charles Jones

    • Unidad de Ciencias de la Atmosfera, Universidad de la Republica, Uruguay:
      Marcelo Barreiro

    • University of Nebraska Lincoln, USA:
      Baburao Kamble

    • School of Engineering, Monash University Sunway Campus, Malaysia:
      Martin P. King

    • Hokkaido university science faculty, department of earth science, Japan:
      Akira Ooshima

    • Environmental, Earth, and Atmospheric Sciences, University of Massachusetts Lowell, USA:
      Mathew Barlow

    • Faculty of Sciences of University of Lisbon, Portugal:
      Telmo Frias, Carlos Pires

    • Department of Environmental Systems Science, Doshisha University Kyotanabe, Kyoto, Japan:
      Shozo Yamane

    • Computer and Space Sciences, University of Maryland, USA:
      Anthony Santorelli

    • Institute of Atmospheric Science, School of Mines and Technology, SD, USA:
      Mebratu Bahiru

    • Los Alamos National Lab, Los Alamos, NM 87545 USA:
      Sara A. Rauscher

    • Kyoto University Meteorology Research Group, Japan:
      Kzuhiro Nishimura

    • Egyptian Meteorological Authority, Cairo, Egypt:
      Mohamed Ibrahim E. M. Omar

    • National Meteorological Administration, Bucharest, Romania:
      Roxana Bojariu

    • Brazilian Hydrographic Center, Rio de Janeiro, Brazil:
      Jairo Gomes

    • Laboratoire de Meteorologie Dynamique (CNRS and IPSL), Paris, France:
      B. Deremble

    • Department of Atmospheric and Oceanic Sciences, McGill University, Montreal, Canada:
      David Small

    • Texas A&M University, Texas, USA:
      Ethan Nelson, Istvan Szunyogh

    • Department of Meteorology (MISU), Stockholm University, Sweden:
      Anders Engstrom

    • CPTEC/INPE, SP, Brasil:
      Me. Joao Gerd Zell de Mattos

    • Los Alamos National Laboratory, Mathematical Modeling and Analysis, USA:
      Humberto C Godinez Vazquez

    • Agency for the Assessment and Application of Technology, Indonesia:
      Mahally Kudsy

    • Joint Global Change Research Institute Pacific Northwest National Laboratory, USA:
      Xuesong Zhang

    • Egyptian Meteorological Authority, Climate Studies Centre, Cairo, Egypt:
      Mohamed Ibrahim El-Sayed OMAR

    • New Mexico Consortium, Los Alamos, USA:
      Ernesto Munoz

    • Department of Information & Comm. Tech. Metropolitan UniversitySylhet, Bangladesh:
      Choudhury Wahid

    • Department of Atmospheric Sciences University of Washington, USA:
      Robert Nicholas

    • CPTEC-INPE, Brazil:
      Augusto Brandao d Oliveira

    • CPTEC-INPE, Brazil:
      Enver Ramirez

    • University of Michigan, Department of Atmospheric, Oceanic & Space Sciences, USA:
      Christiane Jablonowski

    • Virginia Tech, Department of Computer Science, USA:
      Adrian Sandu

    • Shahid Beheshti University Teheran, Iran:
      Saeed Sarpas

    • Addis Ababa University, Physics Department, Ethiopia:
      Gemechu Fanta

    • Addis Ababa University, Physics Department, Ethiopia:
      Titike Kassa

    • Universidade Federal do Paran (UFPR), Brazil:
      Bruno Nocera Zanette

    • University of Ljubljana, Slovenia:
      Katarina Kosovelj

    • CSIR Centre for Mathematical Modelling and Computer Simulation (C-MMACS), Bangalore, India:
      Dr K Rameshan

    • COMSATS Institute of Information Technology, Islamabad, Pakistan:
      Dr. Athar Hussain

    • Institute of Atmospheric Physics, Chinese Academy of Science, Beijing, China:
      Fei Zheng

    • Bangladesh Centre for Advanced Studies (BCAS), Bangladesh:
      Nabir Mamnun

    • Weather Modification Technology Center, Jakarta, Indonesia:
      Mahally Kudsy

    • Department of Earth and Life, Taipei Municipal University of Education, Taipei, Taiwan:
      Chi-Cherng Hong

    • Departamento de Geofisica (DGEO), Universidad de Concepcion, Chile:
      Rodrigo Abarca del Rio

    • Global Change Research Group, Vale Technological Institute, Brasile:
      Luis Aimola

    • Department of Atmospheric Sciences, Chinese Culture University, Taipei, Taiwan:
      Chia-chi Wang

    • Incident and Emergency Centre, International Atomic Energy Agency:
      Travis Llado

    • Marine Hydrophysical Institute, National Academy of Sciences of Ukraine:
      Dmitry Basharin

    • University of Oxford, UK:
      Peter Dueben

    • Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China:
      Jianqi Sun

    • University of California, Berkeley, USA:
      Jason Simon

    • Universidade Federal do Rio de Janeiro, LAMMA, Brazil:
      Audalio Rebelo Torres Jr , DSc

    • Kenya Meteorological Department, Kenya:
      David Muchemi and John Mungai

    • Laboratorio de Meteorologia Aplicada, Depto. de Meteorologia, University of Rio de Janeiro, Brasil:
      Igor Campos

    • Dept of Meteorology & Oceanography, Andhra University, India:
      Raghavendra Raju Nadimpalli

    • Department of Meteorology, SOEST, University of Hawaii at Manoa, USA:
      Cheng Sun

    • Climate Research & Seismology - Global Climate Divisio, Royal Netherlands Meteorological Institute (KNMI):
      Frank Selten

    • International Pacific Research Center University of Hawaii at Manoa, USA:
      Pedro DiNezio

    • Environmental Research and Training Center Technopolis, Thailand:
      Atsamon Limsakul

    • Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, China:
      Xiao Dong

    • Korea Institute of Atmospheric Prediction Systems, Seoul, Korea:
      Hyo-Jong Song

    • Tsinghua University, Beijing, China:
      Wei Xue

    • Principal Scientific Group, LLC, Fishers, USA:
      Jeremiah Brown

    • Department of Mathematics, University of Pittsburgh, USA:
      Catalin Trenchea

    • Oceanografia Fisica, CICESE, Mexico:
      Julio Sheinbaum

    • Japan Agency for Marine-Earth Science and Technology, Japan:
      Kosuke Ito

    • NED University of Engineering & Technology, Pakistan:
      Muhammad Hashim

    • Center of Mathematics and Computer Science (CWI), Netherlands:
      Jesse Dorrestij

    • Research Center for Environmental Changes, Academia Sinica, Taiwan:
      Chi-Hua Wu

    • Laboratorio de Meteorologia - LAMET - CCT, Brazil:
      Isimar de Azevedo Santos

    • Department of Computer Science, Virginia Tech., USA:
      Elias D. Nino

    • University of California, USA:
      Houk Paek

    • University of Vermont, USA:
      Brian Beckage

    • Department of Atmospheric and Environmental Sciences, University at Albany, USA:
      Juan C. Sulca

    • National Institute of Technology Rourkela, India:
      Kishore Ragi

    • Institute of Environmental Science and Meteorology, University of the Philippines, Philippines:
      Ronald C. Macatangay

    • Facultad de Ciencias Fisicomatematicas e Ingenieria, Buenos Aires, Argentina:
      Eduardo Agosta Scarel

    • Universidade Federal de Itajuba - Unifei Instituto de Recursos Naturais - IRN, Brazil:
      Roger Rodrigues Torres

    • Nanjing University of Information Science and Technology, Nanjing, China:
      Haonan Zhu

    • School of Earth and Atmospheric Sciences, Georgia Institute of Technology, USA:
      Sebastian Ortega Arango

    • Indian National Centre for Ocean Information Services (INCOIS), Hyderabad, India:
      Girish Kumar MS.

    • CSE, Galgotias College of Engineering & Technology, Greater Noida, India:
      Uday Pratap Singh

    • Northeastern University, Boston, USA:
      Daiwei (David) Wang

    • Center for Earth System Science CCST, National Institute for Space Research INPE, Brazil:
      Manoel Cardoso

    • Universidade Federal do Rio de Janeiro-UFRJ, Conselho Regional de Engenharia-CREA-RJ, Brazil:
      Alfredo Silveira

    • Universitat Politecnica de Catalunya, Dept. Fisica i Enginyeria Nuclear, Spain:
      Juan Ignacio Deza

    • Cochin University of Science and Technology, Kerala, India:
      Johnson Zacharia

    • Department of Atmospheric Sciences, University of Washington, Seattle, USA:
      Daehyun Kim

    • LAMET/UENF, Rio De Janeiro, Brazil:
      Maria Gertrudes Justi

    • Department of Meteorology & Oceanography, Andhra University, India:
      S.S.V.S.Ramakrishna, Reddi Srihari

    • Sao Paulo University - USP, Brazil:
      Cristiano Prestrelo de Oliveira

    • Atmospheric Model Div. of Atmospheric Technology Center, LAPAN, Indonesia:
      A. Nurzaman

    • Center for Ocean-Land-Atmosphere-Studies, George Mason University, USA:
      Kathy Pegion

    • Virginia Tech, Computational Science Lab, USA:
      Ahmed Attia

    • Department of Civil Engineering - Zarqa Univversity, Jordan:
      Ashraf Shaqadan

    • School of Marine and Atmospheric Sciences, Stony Brook University, USA:
      Yang Zhou

    • Princeton University, Princeton, USA:
      Wei Zhang

    • JAMSTEC, Yokohama Institute for Earth Sciences, Japan:
      Satyaban Bishoyi Ratna

    • University of Chinese Academy of Sciences, China:
      Miao Fang

    • University of Hyderabad, India:
      Feba Francis

    • College of Atmospheric Sciences, Lanzhou University, China:
      Li Yuanpu

    • University of Oklahoma in Norman, USA:
      Jason C. Furtado

    • Center of Weather Forecast and Climate Studies, Brazil:
      Helena Barbieri de Azevedo

    • University of Hawaii at Manoa, USA:
      Licheng Geng

    • University of Wisconsin - Madison, Department of Atmospheric and Oceanic Sciences, USA:
      Cristian Martinez-Villalobos

    • Istanbul Technical University, Turkey:
      Serhan YESILKOY

    • Climate Science: Climate Modelling & Climate Change, Republic of Benin:
      Romaric Christel ODOULAMI

    • University of Oxford, UK:
      Aneesh Subramanian

    • Florida International University, Department of Earth & Environment, USA:
      Robert Burgman

    • Institute of Atmospheric Physics, Chinese Academy of Sciences, China:
      Victor Dike

    • Physics Department DSB Campus, Kumaun University Nainital, India:
      Bimal Pande

    • Department of Meteorology, Stockholm University, Sweden:
      Anna Lewinschal

    • Department of Atmospheric and Oceanic Science, University of Maryland, USA:
      Adria Schwarber

    • Geophysical Institute of Peru, Peru:
      Yakelyn Ramos Jauregui

    • Federal University Lafia (FULAFIA), Nigeria:
      Johnson Abimbola

    • Universidade Federal do Rio de Janeiro, PIBIC/CNPq/INPE, Brazil:
      Renan Martins

    • Lawrence Berkeley National Lab., Computational Research Division, USA:
      Ben Timmermans

    • IMT-Atlantique, Brest, France:
      Pierre Tandeo

    • School of Meteorology, University of Oklahoma, USA:
      Nicholas Szapiro

    • Universidad Nacional Autonoma de Mexico, Mexico:
      Jaime Hernandez

    • Centro de Ciencias de la Atmosfera, UNAM, Mexico:
      Alejandro Aguilar Sierra

    • Pakistan Meteorological Department, Pakistan:
      Syed Ahsan Ali Bokhari

    • Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, China:
      Miao Fang

    • Institute of Atmospheric Physics, Bejing, China:
      Victor Dike

    • Advanced Institute for Computational Science, Chuo-ku Kobe, Japan:
      Atsushi Okazaki

    • National Central University, Taiwan:
      George Li

    • Atmospheric and Oceanic Sciences, Princeton University, USA:
      Angel Munoz

    • Division of Earth and Planetary Sciences, Faculty of Science, Kyoto University, Japan:
      Takahiro Banno

    • National Centre for Antarctic and Ocean Research, Goa, India:
      Nuncio Murukesh

    • Department of Meteorology, University of Stockholm, Sweden:
      Sebastian Scher

    • Department of Physics, University of Toronto, Canada:
      Tailong He

    • Indian Institute of Technology - Delhi, India:
      Ashutosh Pandey

    • Institute of Atmospheric Science, Federal University of Alagoas, Brazil :
      Helber Barros Gomes

    • Massachusetts Institute of Technology, USA:
      Ricardo Miguel Baptista

    • Indian Institute of Technology Madras, Chennai, India:
      Krishnamoorthy Chandramouli

    • City University of Hong Kong, Hong Kong, China:
      Akinsanola Akintomide

    • University of Guatemala USAC, Guatemala:
      Parys Ryver

    • Physical Oceanography Lab Department of Earth Science, National Taiwan Normal University, Taiwan:
      You-Lin Wang

    • INER, Taiwan:
      Yi-Fu Chiu

    • McGill University, Montreal, Canada:
      Andres Perez

    • City University of Hong Kong, China:
      Paxson Cheung

    • McGill University, Montreal, Canada:
      Andres Perez

    • Texas A&M University, Texas, USA:
      Troy Arcomano

    • University of Magdeburg, Germany:
      Christian Lessig

    • Dept of Atmospheric & Oceanic Sciences, Peking University, China:
      Xinyu Wen

    • University of Barcelona, Barcelona, Spain:
      Javier Garcia-Serrano

    • Physical Oceanography Laboratory, Ocean University of China, China:
      Zedong Liu

    • City university of Hong Kong, Hong Kong:
      Yu Ting Leung

    • Beihang University Beijing, China:
      Liu Yang Gee

    • COMSATS University Islamabad, Pakistan:
      Nabeel Ahmed

    • Institute of Environmental Physics, University of Heidelberg, Germany:
      Kira Rehfeld

    • School of Earth Science, Zhejiang University, China:
      Qian Qifeng

    • Spaceflight department, TU Delft, Netherland:
      Fouad Abiad

    • La Plata University, Argentina:
      Santiago Hurtado

    • Chinese Academy of Sciences, Beijing, China:
      Xiang Han

    • Universidad Nacional de Colombia, Colombia:
      Adriana Gomez

    • Banaras Hindu University, Department of Geophysics, Varanasi, India:
      Subhadeep Halder

    • SUBDIRECCION DE ESTUDIOS E INVESTIGACIONES AGROMETEOROLOGICAS SENAMHI, Peru:
      Fernando Jonathan Pastor Dale

    • INPE, Brazil:
      Juliano Cruz

    • Department of Atmospheric Sciences, SOEST, University of Hawaii at Mānoa, Hawaii, USA:
      Leishan Jiang

    • Abu Dhabi Polytechnic, Abu Dhabi, UAE:
      RajKumar Sivaprahasam

    • Faculty of Science, University of Helsinki, Finland:
      Heikki Jarvinen

    • Central University of Rajasthan, India:
      Unashish Mondal

    • NOAA Air Resources Laboratory, USA:
      Rick D. Saylor

    • University of Concepcion, Chile:
      Matias Troncoso Villa

    • Indian Institute of Science Education and Research, Pune, India:
      Arijeet Dutta

    • University of Oxford, UK:
      Lorenzo Pacchiardi

    • Salamenca University, Spain:
      Estefania Campana Roman

    • Istanbul Technical University, Turkey:
      Hande Temur

    • University of Tokyo, Japan:
      Tomoki Iwakiri

    • Tsinghua University, China:
      Jianda Chen

    • IITM, Pune, India:
      Sujata K. Mandke

    • Columbia University, LDEO, USA:
      Kevin Schwarzwald

    • UNIST, South Korea:
      Seungseok Lee

    • Purdue University, USA:
      Michael Oyekunl

    • Ocean University of China, China:
      Liang Yu

    • Yunnan University, China:
      Zhu Cosin

    • Korea Institute of Science and Technology Information (KISTI), South Korea:
      Ji-Sun Kang

    • Yonsei University, South Korea:
      Chao Liu

    • University of Concepción, Chile:
      Javier Campos

    • Nanjing University, China:
      Sandro Veiga

    • Ulsan National Institute of Science and Technology (UNIST), South Korea:
      Seungseok Lee

    • Indian Institute of Tropical Meteorology, Pune, India:
      Sujata Mandke

    • University of Teheran, Teheran, Iran:
      Eliad Bagherzadegan

    • Marine Meteorology Division, U.S. Naval Research Laboratory, USA:
      James Doyle

    • Dept. of Meteorology, Stockholm University (MISU), Stockholm, Sweden:
      Aiden Joensson

    • Dept.of Earth and Atmospheric Sciences, NIT Rourkela, ODISHA, India:
      Sai Krishna

    • MIT, Boston, USA:
      Martin Velez-Pardo

    • Tokyo Institute of Technology, Tokyo, Japan:
      Faisal Amri

    • Met Office, Exeter, UK:
      Samantha Adams

    • First Institute of Oceanography, Qingdao, China:
      Yongzhi Liu

    Coupled Ocean-Atmosphere modelling:

    • Oceanographic Research Dept.,
      Royal Netherlands Meteorological Institute (KNMI):
      Wilco Hazeleger, Camiel Severijns

    • IRI - International Research Institute for Climate Prediction (IRI), Lamont-Doherty Earth Observatory, USA:
      David G. DeWitt

    • Department of Atmospheric Sciences, University of Washington, USA:
      David Battisti, William Roberts and Angie Pendergrass

    • Department of Geosciences, Princeton University, USA:
      Marcelo Barreiro

    • School of Earth and Atmospheric Sciences, Georgia Institute of Technology, USA:
      Annalisa Bracco

    • Korea Ocean Research and Development Institute (KORDI), Korea:
      Hyoun-Woo Kang

    • University of Southern California, Dep. of Earth Sciences & Center for Applied Mathem. Sciences, USA:
      Julien Emile-Geay

    • Universidad Computense Madrid, Spain:
      Teresa Losada

    • Scripps Institution of Oceanography, University of California, San Diego, USA:
      Henry D. I. Abarbanel

    • LOCEAN/IPSL, France:
      Guillaume Gastineau

    • Brazilian National Institute for Space Research, Brazil:
      Roberto De Almeida

    • Department of Geosciences University of Arizona, USA:
      Toby R. Ault

    • South Florida Natural Resources Center, USA:
      Erik Stabenau

    • Earth System Science Interdisciplinary Center (ESSIC), Maryland, USA:
      Rong-Hua Zhang

    • Department of Meteorology, SOEST, University of Hawaii at Manoa, USA:
      Malte Stuecker

    • Australian Research Council Centre of Excellence for Climate System Science, Sydney, Australia:
      Nicholas Hannah

    • CMNS-Earth System Science Interdisciplinary Center, University of Maryland, USA:
      Eric Hackert

    • Georgia Institute of Technology, School of Earth and Atmospheric Sciences, USA:
      Yohei Takano

    • Climate Prediction Center, NOAA, USA:
      Augustin Vintzileos

    • Centro de Ciencias de la Atmosfera/UNAM, Mexico:
      Arturo Quintanar

    • National Center for Atmospheric Research, USA:
      Judith Berner

    • ISMAR, CNR, La Spezia, Italy:
      Andrea Storto

    • University of Bologna, Italy:
      Carlo Grancini

    • CSIRO, Australia:
      Arnold Sullivan

    • First Institute of Oceanography, Qingdao, China:
      Yongshi Liu

    • IISE, Pune, India:
      Arijeet Dutta

    • Chinese Academy of Science, Beijing, China:
      Yushan Wang


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