World Magnetic Model (WMM) | National Centers for …
World Magnetic Model (WMM2020) - Technical Report about the model development. For previous technical reports see the Software Changes section of the Additional Notes dropdown. The 2025 technical report will be available in Spring 2025.
World Magnetic Model 2025 - National Centers for Environmental …
Dec 17, 2024 · The World Magnetic Model is the standard model used by the U.S. Department of Defense, the U.K. Ministry of Defence, the North Atlantic Treaty Organization (NATO) and the International Hydrographic Organization (IHO), for navigation, attitude and heading referencing systems using the geomagnetic field.
World Magnetic Model Coefficients | National Centers for …
WMM2025 (2025-2029) coefficients; WMM2020 technical report (2025 report will be available spring of 2025) WMM2025 maps with blackout zone; WMM2025 maps without blackout zone
World Magnetic Model 2020 Released | News | National Centers …
Dec 10, 2019 · The latest WMM2020 model will extend to 2025. Drifting Poles. Since Earth’s magnetic field is created by its moving, molten iron core, its poles aren’t stationary and they wander independently of each other. Since its first formal discovery in 1831, the north magnetic pole has traveled around 1,400 miles (2,250 km).
World Magnetic Model Out-of-Cycle Release - National Centers …
Feb 4, 2019 · Earth’s northern magnetic pole is moving quickly away from the Canadian Arctic toward Siberia. This movement has forced NCEI’s scientists to update the World Magnetic Model (WMM) mid-cycle. Typically, a new and updated version of the WMM is released every five years.
Enhanced Magnetic Model (EMM) | National Centers for …
Enhanced Magnetic Model (EMM2015) software for rapid field calculation using 3D mesh interpolation for Windows and Linux environments. Useful for large grid or profile calculations. Low CPU requirements, high (6 GB) RAM requirement.
World Magnetic Model High Resolution 2025
World Magnetic Model High Resolution 2025 Declination contour map in miller projection The World Magnetic Model High Resolution is a more detailed, accurate depiction of the geomagnetic field than the World Magnetic Model (WMM) because it has more coefficients (18,210 instead of 336) and more digits (4 instead of 1) in each coefficient.
2023 WMM Annual Report is Released | News - National Centers …
Jan 23, 2024 · The report details the current state of Earth’s main magnetic field, and provides a performance analysis of the most recent version of the World Magnetic Model (WMM) released in late 2019, known as WMM2020. Comparisons between the predictions of WMM2020 and recent data collected from the European Space Agency (ESA)’s Swarm satellites ...
Navigating Our Planet with Magnetic Models | News | National …
Sep 14, 2016 · Magnetic navigation has continued to improve alongside transportation technologies so that we now use magnetic models in planes, ships, vehicles, and even in smartphones. To improve magnetic navigation, NCEI scientists have tracked the changing magnetic field using satellites.
NCEI News Feed - National Centers for Environmental Information
NCEI plays a critical role in the development, maintenance, and distribution of the World Magnetic Model. World Magnetic Model 2025 Released The global land and ocean temperature departure from average for November 2024 was the second highest on record.