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Geomagnetic storms in Chicago in April 2009

01.04.2009 Chicago
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Geomagnetic storms in Chicago in April 2009

Changes in the maximum daily geomagnetic index Kp in April 2009 for mid latitudes

Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-05 - summer time )

geomagnetic storms in March 2009 (Chicago) geomagnetic storms in May 2009 (Chicago)
Changes in the maximum daily geomagnetic index Kp in April 2009
This chart in PNG format — high resolution API data: JSON or TXT

List of magnetic storms in April 2009

Location — Chicago (geographic coordinates — 41.84 N -87.68 W | time zone UTC-05 - summer time )

Days with geomagnetic disturbances — 2

08 April 2009 — geomagnetic disturbances

09 April 2009 — geomagnetic disturbances

Maximum of solar activity in April 2009

Solar radio flux (10.7 cm) = 71

Mean planetary A index = 12

Mean planetary Kp index = 4