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Geomagnetic storm information (April 2024)


yGeomagnetic storm observed on 16 April 2024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 05.3h 17d 04h gradual 89 8.2 45
Memambetsu 05.3h 17d 04m gradual 85 12.2 27
Kanoya 05.3h 17d 04h gradual 101 8.1 54

(*) 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 16 April 2024.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 16 April 2024.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 16 April 2024.

*) Plot diagram opens in a separate window.



yGeomagnetic storm observed on 19 April 2024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 05h 57m 22d 10h sudden +13 116 9 47
Memambetsu 05h 57m 22d 10m sudden +20 108 13.8 44
Kanoya 05h 57m 22d 10h sudden +15 144 8.9 51

(*) 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 19 April 2024.
Plot of Memambetsu 1-minute geomagnetic field for the geomagnetic storm on 19 April 2024.
Plot of Kanoya 1-minute geomagnetic field for during the geomagnetic storm on 19 April 2024.

*) Plot diagram opens in a separate window.



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