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Dst Index

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Weather

A geomagnetic index describing variations in the equatorial ringcurrent

NOAA National Weather Service — National Weather Service Glossary

Related Weather terms

A Index
Aurora
Auroral Oval
Conjugate Points
Geomagnetic Elements
Geomagnetic Field
Geomagnetic Storm
Gradual Commencement
H-component of the Geomagnetic Field
High Latitudes
Ionospheric Storm
Kp Index
Middle Latitudes
NWD
Sudden Commencement (SC)
Sudden Impulse (SI+ or SI-)

Nearby Weather terms

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Definitions are reproduced with attribution to their original sources; each entry links to the source and shows when it was retrieved. About · FAQ · Data build 2026-10-15.