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February Climate Briefing: Weak La Niña Replaced With Neutral ENSO, and Uncertainty

Read our ENSO Essentials & Impacts pages for more about El Niño. Tony Barnston provides an overview of the briefing Since last month’s briefing, sea-surface temperatures have warmed in the area of the central equatorial Pacific Ocean that define El Niño and La Niña events, called the Nino3.4 region. Last week, the weekly anomaly for Nino3.4 was +0.1ºC — the first time […]

Financial Instruments Sector Team Launches New “Trade Blog”

The Financial Instruments Sector Team has launched a new publication on Medium, called Inside Index Insurance. The purpose of the publication is to provide a range of content types from team members – from quick dispatches from activities around the world to in-depth analysis of the technical components of financial instruments. “I’ve always wanted to know more about what […]

January Climate Briefing: La Niña on Last Legs

Read our ENSO Essentials & Impacts pages for more about El Niño. Tony Barnston provides an overview of the briefing Since last month’s briefing, sea-surface temperature anomalies in the area of the central equatorial Pacific Ocean that define El Niño and La Niña events, called the Nino3.4 region, have warmed about a tenth of a degree. The past few weeks, these anomalies have been […]

Local beats global when it comes to national climate services in Rwanda

By Dannie Dinh, James Hansen, Floribert Vuguziga, Madeleine Thomson, Yohana Tekeste, and Aisha Owusu This post originally appeared on the web site of the CGIAR Research Program on Climate, Agriculture and Food Security. Climate data gaps are an obstacle to providing useful services for smallholder farmers Climate information—and its use for farming decision making, index-based […]

Mark Cane, George Philander, Win 2017 Vetlesen Prize

Mark Cane was instrumental in the 1996 establishment of Columbia University’s International Research Institute for Climate and Society. Two scientists who untangled the complex forces that drive El Niño, the world’s most powerful weather cycle, have won the 2017 Vetlesen Prize for achievement in earth sciences. The $250,000 award will go to S. George Philander […]

IRI @ AMS: Schedule of Events

“Observations Lead the Way” is the theme for the upcoming 97th annual meeting of the American Meteorological Society. Much, if not all, of the initiatives at the International Research Institute for Climate and Society rely on a critical mass of quality weather and climate observations. The presentations of IRI’s staff and scientists at this year’s […]

December Climate Briefing: La Niña Lingers, Likely to Lapse

Read our ENSO Essentials & Impacts pages for more about El Niño. Tony Barnston provides an overview of the briefing Since last month’s briefing, weekly sea-surface temperature anomalies in the area of the central equatorial Pacific Ocean that define El Niño and La Niña events, called the Nino3.4 region, have remained within a tenth of a degree of the -0.5ºC threshold indicative of La […]

Health and Climate Colloquium Report

Earlier this year, the International Research Institute for Climate and Society and the Mailman School of Public Health, both of Columbia University, hosted the Health and Climate Colloquium 2016. The purpose of the Colloquium was to help build a global community of health practitioners and policymakers that can use climate information as a means to […]

IRI@AGU: Advancing Climate Prediction at New Timescales

Andrew Robertson is a senior research scientist at the International Research Institute for Climate and Society. He heads IRI’s climate group and studies how to improve climate forecasts with lead times between two weeks to two months, referred to by scientists as the subseasonal-to-seasonal (S2S) timescale. He also co-chairs the S2S Prediction Project Steering Group, which […]

IRI@AGU: Upmanu Lall on Improving Risk Management

Upmanu Lall is the director of the Columbia Water Center, a senior research scientist at IRI and the Alan & Carol Silberstein Professor of Engineering in the School of Engineering and Applied Sciences. In addition to other presentations at the 2016 American Geophysical Union Annual Meeting, Lall will be presenting, “Quantifying conditional risks for water and […]

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