Free To Use

All IRI forecasts are free to use with a license, and can be visually analyzed using our free Data Library. All images derived from these should be cited as described in our citations section below.

Operational Forecast Data Information

Current seasonal and sub seasonal forecasts may be downloaded without a license. Non-commercial licenses are free to use and commercial licenses are also available

http://iridl.ldeo.columbia.edu/SOURCES/.IRI/.FD/.NMME_Seasonal_Forecast/.ELR_coeffsv2/
http://iridl.ldeo.columbia.edu/SOURCES/.IRI/.FD/.NMME_Seasonal_Forecast/.Precipitation_ELR/
http://iridl.ldeo.columbia.edu/SOURCES/.IRI/.FD/.NMME_Seasonal_Forecast/.Temperature_ELR/

http://iridl.ldeo.columbia.edu/SOURCES/.IRI/.FD/.SubX/.SubX_ELR_Forecast/
http://iridl.ldeo.columbia.edu/SOURCES/.IRI/.FD/.SubX/.SubX_Tercile_Forecast/

Maprooms:
http://iridl.ldeo.columbia.edu/maproom/Global/Forecasts/index.html
http://iridl.ldeo.columbia.edu/maproom/Global/ForecastsS2S/index.html

Citations

When using one of our products, data or images, please cite the IRI in the following ways, unless the page has specific citation information.

Graphics

All graphics should contain at the minimum, “Graphics provided by the International Research Institute for Climate and Society, Columbia University, https://iri.columbia.edu“.

Seasonal Forecasts

Any images or data used from our seasonal forecasts should cite:

Kirtman, B., D. Min, J. Infanti, J. Kinter, D. Paolino, Q. Zhang, H. van den Dool, S. Saha, M. Mendez, E. Becker, P. Peng, P. Tripp, J. Huang, D. DeWitt, M. Tippett, A. Barnston, S. Li, A. Rosati, S. Schubert, M. Rienecker, M. Suarez, Z. Li, J. Marshak, Y. Lim, J. Tribbia, K. Pegion, W. Merryfield, B. Denis, and E. Wood, 2014: The North American Multimodel Ensemble: Phase-1 Seasonal-to-Interannual Prediction; Phase-2 toward Developing Intraseasonal Prediction. Bull. Amer. Meteor. Soc., 95, 585–601, doi: 10.1175/BAMS-D-12-00050.1.