List of magnetic storms in April 2009
Location — Brisbane (geographic coordinates — 27.47 S 153.02 E | time zone UTC+10 )
Days with geomagnetic disturbances — 1
09 April 2009 — geomagnetic disturbances
Changes in the maximum daily geomagnetic index Kp in April 2009 for mid latitudes
Location — Brisbane (geographic coordinates — 27.47 S 153.02 E | time zone UTC+10 )

Location — Brisbane (geographic coordinates — 27.47 S 153.02 E | time zone UTC+10 )
09 April 2009 — geomagnetic disturbances
Solar radio flux (10.7 cm) = 71
Mean planetary A index = 12
Mean planetary Kp index = 4