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Due to system maintenance, users should expect delays in accessing some of NCEI archived climate models

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Modeling Earth’s Geomagnetic Fields

May 30, 2019
Our High Definition Geomagnetic Model (HDGM) provides a clearer picture of Earth’s magnetic field.

World Magnetic Model Out-of-Cycle Release

February 4, 2019
Due to changes in Earth’s magnetic field, NCEI has released an out-of-cycle World Magnetic Model to ensure safe navigation.

Airport Runway Names Shift with Magnetic Field

August 23, 2018
Earth’s shifting magnetic field affects airports and airline operations, including runway names. NCEI’s World Magnetic Model is a guide.

Navigating Our Planet with Magnetic Models

August 22, 2018
Our scientists have produced the World Magnetic Model and the Enhanced Magnetic Model to help improve magnetic navigation.

Become a Citizen Scientist with Our CrowdMag App

August 14, 2018
You can help us improve the accuracy of magnetic navigation by tracking changes in Earth’s magnetic field with the CrowdMag app.