Geomagnetic index · 0–9

Kp Index

A global index of geomagnetic activity, derived from magnetometer readings and reported every three hours on a scale of 0 (quiet) to 9 (extreme storm). Kp is the standard measure used to forecast auroras and satellite disturbances.

Environment & effects

Related:Geomagnetic Storm

Knowledge connections

Associated withGeomagnetic Storm
Associated withGeomagnetic Storm

Sources

Facts on this topic will be cited from these primary and reference sources.

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).

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