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Who We Are

US CLIVAR is a national research program with a mission to foster understanding and prediction of climate variability and change on intraseasonal-to-centennial timescales, through observations and modeling with emphasis on the role of the ocean and its interaction with other elements of the Earth system, and to serve the climate community and society through the coordination and facilitation of research on outstanding climate questions.

Our Research

The ocean plays a key role in providing a major long-term "memory" for the climate system, generating or enhancing variability on a range of climatic timescales. Understanding the ocean's role in climate variability is therefore crucial for quantifying and harnessing the predictability inherent to the Earth system. US CLIVAR-led research has played a substantial role in advancing understanding of, and skill in predicting climate variability and change.

Science and Research Challenges

Cracked earth

Subseasonal-to-   
Seasonal Prediction

Forest

Decadal Variability   
and Predictability

Flooding in neighborhood

Climate Change

Tornado and lightning

Climate and Extreme       
Events

Ice in polar landscape

Polar Climate Changes

Fish swimming undersea

Climate and Marine       
Carbon/Biogeochemistry

Coast with cliffs and waves

Climate at the Coasts

Announcements

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GCOS Logo

GCOS Status Report and High-Priority Action Plan: Public Review Now Open

The Global Climate Observing System (GCOS) has opened a public review of three documents: the 2027 GCOS Status Report, the High-Priority Action Plan, and a supporting Technical Review.

October Newsgram is Available

October Newsgram is Available

Stay informed with the latest news, research highlights, webinars, data sets, meetings, funding, career opportunities, and jobs for the climate science community.

September Newsgram is Available

September Newsgram is Available

Stay informed with the latest news, research highlights, webinars, data sets, meetings, funding, career opportunities, and jobs for the climate science community.

NSF seeks community input on ocean observing priorities

Share input on future ocean observing needs

NSF seeks community input on priorities for advancing ocean observing to address critical science and societal needs through September 30.

Upcoming Webinars

Usable Climate Risk Science Webinar Series

Date:
Title: Usable Climate Risk Science: November 12, 2026
Presenter(s):

Vasu Misra (Florida State University)

Naomi Goldenson (WCRP Regional Information for Society International Project Office)

During the seventh webinar in the Usable Climate Risk Science series, we will be joined by Vasu Misra (Florida State University) and Naomi Goldenson (WCRP Regional Information for Society International Project Office).

Vasu will discuss climate science to water management applications in Florida, and Naomi will detail making climate research more context-aware to inform regional challenges.

US CLIVAR Climate Variability and Predictability Program

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