Form of Geomagnetic Activity

Forecasting Form of Geomagnetic Activity





Solar Activities in Past 4-Days
Event Date of
Occurrence
Analysis Judgement Comments
CH 27 August 2026
CH 28 August 2026
CH 29 August 2026
CH 30 August 2026
CME 29 August 2026
03:00 UT
from north-west limb
(pa: 305°, da: 8°, V: 361 km/s)
geoeffective
(index: 7.25)
Appr. arrival: 07 September 2026
CME 29 August 2026
03:48 UT
from south-east limb
(pa: 114°, da: 18°, V: 366 km/s)
not geoeffective
(index: 2.53)
Appr. arrival: 05 September 2026
CME 29 August 2026
05:24 UT
from east limb
(pa: 77°, da: 24°, V: 240 km/s)
not geoeffective
(index: 1.81)
Appr. arrival: 08 September 2026
CME 29 August 2026
05:36 UT
from norh-east limb
(pa: 66°, da: 10°, V: 248 km/s)
not geoeffective
(index: 1.47)
Appr. arrival: 06 September 2026
CME 29 August 2026
06:36 UT
from norh-east limb
(pa: 64°, da: 10°, V: 284 km/s)
not geoeffective
(index: 1.59)
Appr. arrival: 04 September 2026
CME 29 August 2026
08:48 UT
from norh-east limb
(pa: 50°, da: 18°, V: 218 km/s)
not geoeffective
(index: 4.22)
Appr. arrival: 08 September 2026
CME 29 August 2026
09:24 UT
from north limb
(pa: 356°, da: 10°, V: 142 km/s)
not geoeffective
(index: 3.76)
Appr. arrival: 11 September 2026
CME 29 August 2026
11:01 UT
from east limb
(pa: 84°, da: 18°, V: 281 km/s)
not geoeffective
(index: 0.63)
Appr. arrival: 05 September 2026
CME 29 August 2026
11:36 UT
from norh-east limb
(pa: 34°, da: 26°, V: 246 km/s)
not geoeffective
(index: 8.4)
Appr. arrival: 07 September 2026
CME 29 August 2026
15:00 UT
from norh-east limb
(pa: 53°, da: 60°, V: 343 km/s)
not geoeffective
(index: 12.54)
Appr. arrival: 06 September 2026
CME 29 August 2026
19:00 UT
from norh-east limb
(pa: 50°, da: 42°, V: 408 km/s)
not geoeffective
(index: 9.56)
Appr. arrival: 05 September 2026
CME 30 August 2026
01:48 UT
from norh-east limb
(pa: 66°, da: 74°, V: 352 km/s)
not geoeffective
(index: 10.0)
Appr. arrival: 07 September 2026