Recent News


October Climate Briefing: El Niño Wait Continues

From the October climate briefing, given by IRI’s Chief Forecaster Tony Barnston: Tony Barnston provides an overview of the briefing Changes from last month’s briefing Based on the latest models, the chance of an El Niño developing during the current (October-December) season is between 65 and 70%, down slightly from last month. These odds for the October-December season are similar to those issued by […]

A mother and child rest under an insecticide treated bed net to help combat malaria in the Chongwe District, Zambia on 3/26/09. *NOT RELEASED. Gates Foundation

Data for Malaria Decision Making in Africa

Earlier this year, the International Research Institute for Climate and Society and Columbia Global Centers | Africa  supported a two-day meeting of the Roll Back Malaria Partnership in Dar es Salaam, Tanzania called “Strengthening National Climate Data and Information for Malaria Decision Making in Africa”. The meeting, held August 4-5, provided an overview of existing […]


Crop Models to Integrate Data from Space with Climate Forecasts

In a few months, NASA will launch a new satellite mission called Soil Moisture Active Passive, SMAP, which will provide high-resolution global coverage of soil moisture conditions. The IRI is collaborating with NASA’s Jet Propulsion Laboratory and the CGIAR’s Research Program on Climate Change, Agriculture and Food Security to develop a crop-forecasting model to help decision makers […]


Field Notes: Climate, Health and the Maasai

IRI’s Pietro Ceccato recently attended the 2nd Capacity Building Workshop for the World Health Organization TDR/IDRC research initiative on Population Health Vulnerabilities to Vector-Borne Diseases: Increasing Resilience under Climate Change Conditions in Africa, held at the Nelson Mandela University in Arusha, Tanzania. He shares his observations here. Earlier this year, I attended a workshop in Arusha, Tanzania […]

Figure 3. Mean forecasts of statistical models for the Nino3.4 SST anomaly for overlapping 3-month periods from JFM 2012 to JJA 2014, and the corresponding observations. The observations are shown by the orange line, while the forecasts are shown by the dark blue line (1-month lead), blue-green line (4-month lead) and light blue line (7-month lead). Current forecasts extending out through early 2015 are shown. See footnote 3 for the definition of lead time. Image credit: IRI/NOAA

How Good Have ENSO Forecasts Been Lately?

By IRI Chief Forecaster Tony BarnstonThis post originally appeared on’s ENSO blog. Reproduced with permission.  One of my responsibilities as the lead ENSO forecaster at IRI is to judge how well the forecasts have matched reality. One way I do this is I go back through the archived forecasts and make graphics that compare the forecasts […]

UN Photo of General Assembly during Climate Summit 2014

8 Ways We Can Strengthen Development and Increase Climate Resilience

Today, President Obama announced a new executive order that will help vulnerable nations around the world be more resilient to climate and disasters.  Climate variability and change pose a set of serious risks and challenges, but as the President highlighted, we can be better equipped to overcome them. For nearly two decades, the International Research […]


September Climate Briefing: Weak El Niño Still Favored Forecast

From the September climate briefing, given by IRI’s Chief Forecaster Tony Barnston: Changes from last month’s briefing Based on the latest models, the chance of an El Niño developing during the September-November season is 55%, which is the same as the forecast for the same period that was issued in August. The probability for El Niño development by the late […]

Sustaining Health: Linking environment, nutrition and health

On Monday, September 22, senior research scientist Madeleine Thomson of the International Research Institute for Climate and Society will serve as a panelist for Sustaining Health: Linking environment, nutrition and health, an event co-hosted by the Wellcome Trust, Columbia University Mailman School of Public Health, Meteos and IRI.  She will join panelists and an expert audience of IPCC […]


Climate Week Panel: Building Innovative Index Insurance Markets

First Climate Week Panel To Focus On Building Innovative Index Insurance Markets in Developing Countries NEW YORK, September 18, 2014 — A panel of leaders and experts from the business, humanitarian and research communities will convene this week at the Climate Week NYC to discuss the growing relevance of index insurance as a tool to […]

ElNino_Rainfall_2014 copy

IRI presenta nuevos webinars sobre El Niño

Un nuevo conjunto de webinars de entrenamiento desarrollados por el Instituto International de Investigaciones para el Clima y la Sociedad (IRI) discuten las principales características de El niño y La Niña y sus impactos alrededor del mundo. Los nuevos videos, disponibles en ingles y español, son lo más reciente de la serie Conceptos climáticos para […]

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