Delivery of Suomi National Polar-orbiting Partnership (Suomi NPP) satellite data products will cease on November 1, 2026. Data users should transition now to alternative products from NOAA-21 and NOAA-20. Suomi NPP data announcement

Jason-1 Microwave Radiometer Resources

Read the latest Jason-1 Microwave Radiometer news and access learning resources designed to help you optimize your Earth science research.

Jason-1 Microwave Radiometer Learning Resources

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Sea Level Change Tools for Planning and Decision Support

This ARSET training focuses on NASA products available to assess sea level change.

Training

June 10-17, 2025

Jason 3 satellite mapping the ocean surface with its radar altimeter

The Rate of Global Sea Level Rise Doubled During the Past Three Decades

For more than 30 years, NASA and its partners have flown satellite altimeter missions providing essential sea level change data to inform coastal communities.

Data in Action

Feb. 5, 2025

The Warm Waters in the Gulf of America Helped ‘Fuel’ Hurricane Helene

Sentinel-6 and Multi-Scale Ultra-High Resolution data reveal how Hurricane Helene rapidly intensified in the warm Gulf waters.

Data in Action

Oct. 3, 2024

comparison of sea level anomalies between el nino events of 2007 and 2015

Sea Level Satellites Monitor How This Year’s El Niño Is Shaping Up

Sea surface height data from the Sentinel-6 Michael Freilich mission reveal complex interactions between the ocean and the atmosphere that affect global weather and climate such as El Niño.

Data in Action

Oct. 31, 2023

sea surface height and circulation visualization

Unveiling Small-Scale Ocean Circulation Through High-Resolution Sea Surface Height

SWOT provides high-resolution data to help researchers monitor the vertical transport of heat and carbon within the ocean.

Data in Action

Sept. 15, 2023

sea surface height grid at the spatial resolution of 2 degrees

Sea Surface Height Grids With Different Spatial Resolutions

SWOT and ECCO can measure sea surface height at different resolutions for monitoring the ocean's vertical heat, carbon transport, and other processes.

Data in Action

Nov. 2, 2022

New NASA Sea Surface Height Grids to Study the Climate

Improvements in the new version of this gridded product enhance data collection for the oceanography and climate science communities.

Data in Action

June 15, 2022

Waves and Satellites: Effect of El Niño on Big Wave Surfing

Data in Action

Jan. 25, 2016

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Gridded ocean height measurements from Sentinel-6 Michael Freilich (Sentinel-6A) observations from Oct. 8-17, 2025

Sentinel-6B Continues 30-Year Legacy of Sea Level Measurements

Sentinel-6B observations will also inform early warnings and forecasts systems.

News

Dec. 16, 2025

HiTIDE interface showing area next to Africa for SWOT data download

PO.DAAC HiTIDE is Moving to a New URL

The new web address is part of the HiTIDE visualization tool's transition to the cloud.

News

Sept. 12, 2023

Solving the Data Puzzle of Sea Level Rise

The new Sea Level Change Data Pathfinder highlights the different datasets used to piece together the status and drivers of sea level rise.

Feature Article

Feb. 18, 2022

Adnan Al-Azri

Who uses NASA Earth science data? Adnan Al-Azri, to study why periodic harmful blooms of algae occur in the Sea of Oman and Arabian Sea.

Data User Story

April 22, 2021

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QUESTIONS & SUPPORT

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Jason-1 Microwave Radiometer Resources

Jason-1 Microwave Radiometer Learning Resources

Sea Level Change Tools for Planning and Decision Support

The Rate of Global Sea Level Rise Doubled During the Past Three Decades

The Warm Waters in the Gulf of America Helped ‘Fuel’ Hurricane Helene

Sea Level Satellites Monitor How This Year’s El Niño Is Shaping Up

Unveiling Small-Scale Ocean Circulation Through High-Resolution Sea Surface Height

Sea Surface Height Grids With Different Spatial Resolutions

New NASA Sea Surface Height Grids to Study the Climate

Waves and Satellites: Effect of El Niño on Big Wave Surfing

Jason-1 Microwave Radiometer News

Sentinel-6B Continues 30-Year Legacy of Sea Level Measurements

PO.DAAC HiTIDE is Moving to a New URL

Solving the Data Puzzle of Sea Level Rise

Adnan Al-Azri

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