Geomagnetic storms in Fort Smith — Dec 09, 2016
Geomagnetic storms in Fort Smith on Dec 09, 2016
geomagnetic storm was occured — level G1.0 (Kp = 5.00)
Geomagnetic storms in the last 3 days
Changes in the geomagnetic index Kp from December 7 to 9, 2016 for mid latitudes
Location — Fort Smith (geographic coordinates — 60 N -111.87 W | time zone UTC-07)

This chart in PNG format — high resolution
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Geomagnetic storms in Fort Smith in December 2016
Changes in the maximum daily geomagnetic index Kp in December 2016 for mid latitudes
Location — Fort Smith (geographic coordinates — 60 N -111.87 W | time zone UTC-07)

This chart in PNG format — high resolution
API data: JSON or TXT
Other activity indices
Index AP = 25
Index F10.7 = 73