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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

Seasonal Prediction


Decadal Variability   
and Predictability

Flooding in neighborhood

Climate Change

Tornado and lightning

Climate and Extreme       

Ice in polar landscape

Polar Climate Changes

Fish swimming undersea

Climate and Marine       

Coast with cliffs and waves

Climate at the Coasts


See all announcements

Workshop participants mingle among posters.

Call for Spring 2025 US CLIVAR-Supported Meetings

The US CLIVAR program calls for requests to sponsor open community workshops, conferences, and science meetings.


2024 Call for New US CLIVAR Panel Members

We are pleased to announce that the US Climate Variability and Predictability (US CLIVAR) Scientific Steering Committee (SSC) seeks qualified individuals to serve on its three subsidiary panels.

Group picture from the Air-Sea Interactions Working Group Workshop March 2023

2023 Call for New US CLIVAR Working Groups

Requests are now being accepted for new US CLIVAR-sponsored Working Groups. All documents must be submitted by October 10, 2023.

Group photo from the 2023 US CLIVAR Summit in Seattle, Washington

Fall 2023 Call for US CLIVAR-Supported Workshops

Fall 2023 Call for US CLIVAR-Supported Workshops

Upcoming Webinars

There are no upcoming Webinars at this time.

US CLIVAR Climate Variability and Predictability Program