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Geomagnetic storm information (January 2004)


yGeomagnetic storm observed on 6 January 2004z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 19h 51m 07d 22h sudden +10 98 8.4 43 129 26
Memambetsu 19h 51m 07d 22m sudden +13 113 12.3 24 14 41
Kanoya 19h 51m 07d 22h sudden +11 109 8.2 42 35 15

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 6 January 2004.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 6 January 2004.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 6 January 2004.

*) Plot diagram opens in a separate window.



yGeomagnetic storm observed on 22 January 2004z
Observatory Commencing time Ending time Geomagnetic field Geoelectric field
Type (sudden/gradual) Amplitude of abrupt onset H (nT)
‚g(nT)
Range Range
Hour Minute
(UTC)
Date Time
(UTC)
Horizontal component
H (nT)
Declination
D (arcminute)
Vertical component
Z (nT)
East-west component
(mV/km)
North-south component
(mV/km)
Kakioka 01h 36m 24d 15h sudden +29 223 9.4 98 347 83
Memambetsu 01h 36m 24d 15m sudden +26 231 14.2 27 29 70
Kanoya 01h 36m 24d 15h sudden +38 250 9.4 96 40 23

(*) Time is in UTC (Universal Time Coordinated).
(*) Time is given in 1-minute increments for the sudden commencement type and in 0.1-hour increments for the gradual commencement type.
(*) "-1" is displayed for the range, when it is unknown due to missing measurements, etc.
(*) The range may not be determined for a storm which is followed by the next one before its ending (the ending time is indicated by "C").


Plot of Kakioka 1-minute geomagnetic field for the geomagnetic storm on 22 January 2004.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 22 January 2004.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 22 January 2004.

*) Plot diagram opens in a separate window.



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