Geomagnetic storms in Madison — Sep 14, 2018
Geomagnetic storms in Madison on Sep 14, 2018
geomagnetic disturbances were observed (Kp = 4.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from September 12 to 14, 2018 for mid latitudes
Location — Madison (geographic coordinates — 43.07 N -89.38 W | time zone UTC-05 - summer time)

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Geomagnetic storms in Madison in September 2018
Changes in the maximum daily geomagnetic index Kp in September 2018 for mid latitudes
Location — Madison (geographic coordinates — 43.07 N -89.38 W | time zone UTC-05 - summer time)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 16
Index F10.7 = 69