Geomagnetic index

Dst Index

The Disturbance storm-time index, which tracks the strength of the equatorial ring current and so measures the intensity of a geomagnetic storm — the more negative the Dst, the stronger the storm.

Environment & effects

Related:Geomagnetic Storm

Knowledge connections

Associated withGeomagnetic Storm
Associated withGeomagnetic Storm

Sources

The primary and reference sources this topic draws on.

NOAA Solar CalculatorNOAA Global Monitoring Laboratory
Public-domain solar-position geometry: sunrise, sunset, solar noon, twilight, declination, and the equation of time.
Public domain (US Government work).