SignalDispatchpublic signal observatory

Signals / space

The magnetic field

Planetary geomagnetic conditions, their recent trace, and the threshold context needed to read them.

CURRENT SNAPSHOT

Planetary K-index

nominal
Kp 3

Quiet to unsettled geomagnetic conditions

Observed Jul 27, 4:00 PM CDT

Planetary K-index / 97 retained hourly snapshots / range 0.67–5.33 Kp

Current SWPC series

TimeKp
Jul 25, 7:00 PM CDT1.67
Jul 25, 10:00 PM CDT2
Jul 26, 1:00 AM CDT2
Jul 26, 4:00 AM CDT2
Jul 26, 7:00 AM CDT2
Jul 26, 10:00 AM CDT0.67
Jul 26, 1:00 PM CDT0.67
Jul 26, 4:00 PM CDT1.33
Jul 26, 7:00 PM CDT1.67
Jul 26, 10:00 PM CDT1
Jul 27, 1:00 AM CDT2
Jul 27, 4:00 AM CDT1.33
Jul 27, 7:00 AM CDT1.67
Jul 27, 10:00 AM CDT2
Jul 27, 1:00 PM CDT1.67
Jul 27, 4:00 PM CDT3

NOAA Space Weather Prediction Center. Kp 5 is the G1 storm threshold.