| Check sheet for forecast of geomagnetic disturbances | Forecaster | MIJ | ||
|---|---|---|---|---|
| **Previous Forecast | ||||
| Period | 1 day | quiet/low | ||
| Today's Space Weather Condition | |||||
|---|---|---|---|---|---|
| Present | Previous | ||||
| Geomagnetic Activity | quiet | G0 | quiet | G0 | |
| Σ K | Σ Kp | 5o | 14+ | ||
| Max K | Max Kp | 1+ | 3+ | ||
| AE Index (onset/sensitivity) | |||||
| NO SUBSTORM | NO SUBSTORM | ||||
| Dst Index (minimum) | -2 | -4 | |||
| Event | |||||
| Solar Wind | Speed (km/sec) | 412 → 495 | |||
| Density (/cc) | |||||
| IMF Bz (nT) | -11.4 → 7.9 | ||||
| CME | Quadrant | ||||
|
south-east
(pa: 126°,
da: 30°,
V: 325 km/s)
not geoeffective (index: 6.2) onset: 02 July 2026 08:36 UT approx. arrival: 11 July 2026 |
west
(pa: 263°,
da: 12°,
V: 400 km/s)
geoeffective (index: 12.49) onset: 01 July 2026 20:00 UT approx. arrival: 07 July 2026 |
||||
|
norh-east
(pa: 49°,
da: 12°,
V: 273 km/s)
not geoeffective (index: 2.96) onset: 02 July 2026 10:36 UT approx. arrival: 13 July 2026 |
norh-east
(pa: 50°,
da: 22°,
V: 589 km/s)
not geoeffective (index: 5.11) onset: 01 July 2026 20:12 UT approx. arrival: 05 July 2026 |
||||
|
east
(pa: 85°,
da: 16°,
V: 190 km/s)
not geoeffective (index: 0.47) onset: 02 July 2026 11:12 UT approx. arrival: 12 July 2026 |
north
(pa: 347°,
da: 52°,
V: 257 km/s)
not geoeffective (index: 17.34) onset: 01 July 2026 20:24 UT approx. arrival: 10 July 2026 |
||||
|
north
(pa: 349°,
da: 12°,
V: 328 km/s)
not geoeffective (index: 7.29) onset: 02 July 2026 11:24 UT approx. arrival: 10 July 2026 |
south-west
(pa: 244°,
da: 34°,
V: 196 km/s)
geoeffective (index: 29.94) onset: 01 July 2026 23:24 UT approx. arrival: 13 July 2026 |
||||
|
norh-east
(pa: 60°,
da: 18°,
V: 230 km/s)
not geoeffective (index: 3.17) onset: 02 July 2026 00:36 UT approx. arrival: 12 July 2026 |
|||||
|
south-west
(pa: 249°,
da: 20°,
V: 279 km/s)
geoeffective (index: 18.55) onset: 02 July 2026 02:12 UT approx. arrival: 12 July 2026 |
|||||
|
Halo II
(pa: 5°,
da: 112°,
V: 538 km/s)
geoeffective (index: 12.37) onset: 02 July 2026 02:24 UT approx. arrival: 10 July 2026 |
|||||
| Coronal Hole | Location | Judgement | Location | Judgement | |
|
south pole
(area: 6.7) |
not geoeffective
(+)
(B = 1.0 nT) |
||||
|
south pole
(area: 0.4) |
geoeffective
(+)
(B = 1.9 nT) |
||||
|
eastern equator
(area: 0.2) |
not geoeffective
(-)
(B = -2.8 nT) |
||||
|
north-east
(area: 0.1) |
not geoeffective
(-)
(B = -1.1 nT) |
||||
| Electron Fluxes | |||||
| 452 | low | 5687 | high | ||
| Solar Activities in Past 4-Days | |||||
|---|---|---|---|---|---|
| Event | Date of Occurrence |
Analysis | Judgement | Comments | |
| CH | 28 June 2026 | ||||
| () | |||||
| CH | 29 June 2026 | ||||
| () | |||||
| CH | 30 June 2026 | ||||
| () | |||||
| CH | 01 July 2026 | ||||
| () | |||||
| CME |
28 June 2026 01:36 UT |
from north limb
(pa: 11°, da: 24°, V: 497 km/s) |
not geoeffective
(index: 9.96) |
Appr. arrival: 06 July 2026 | |
| CME |
28 June 2026 03:48 UT |
Halo II
(pa: 4°, da: 114°, V: 273 km/s) |
geoeffective
(index: 13.96) |
Appr. arrival: 05 July 2026 | |
| CME |
28 June 2026 05:12 UT |
from south-west limb
(pa: 204°, da: 6°, V: 155 km/s) |
not geoeffective
(index: 4.43) |
Appr. arrival: 12 July 2026 | |
| CME |
28 June 2026 06:24 UT |
from south-east limb
(pa: 113°, da: 52°, V: 228 km/s) |
not geoeffective
(index: 6.77) |
Appr. arrival: 15 July 2026 | |
| CME |
28 June 2026 15:24 UT |
from norh-east limb
(pa: 27°, da: 8°, V: 534 km/s) |
not geoeffective
(index: 3.15) |
Appr. arrival: 02 July 2026 | |
| CME |
28 June 2026 22:36 UT |
from west limb
(pa: 283°, da: 44°, V: 178 km/s) |
geoeffective
(index: 41.25) |
Appr. arrival: 18 July 2026 | |
| CME |
29 June 2026 05:36 UT |
from north limb
(pa: 3°, da: 8°, V: 271 km/s) |
not geoeffective
(index: 3.34) |
Appr. arrival: 07 July 2026 | |
| CME |
29 June 2026 07:36 UT |
from east limb
(pa: 104°, da: 38°, V: 437 km/s) |
not geoeffective
(index: 3.03) |
Appr. arrival: 04 July 2026 | |
| CME |
29 June 2026 09:48 UT |
from north-west limb
(pa: 303°, da: 8°, V: 480 km/s) |
geoeffective
(index: 7.35) |
Appr. arrival: 06 July 2026 | |
| CME |
29 June 2026 17:36 UT |
from north limb
(pa: 8°, da: 14°, V: 310 km/s) |
not geoeffective
(index: 6.83) |
Appr. arrival: 05 July 2026 | |
| CME |
29 June 2026 23:12 UT |
from norh-east limb
(pa: 20°, da: 10°, V: 368 km/s) |
not geoeffective
(index: 4.28) |
Appr. arrival: 06 July 2026 | |
| CME |
29 June 2026 23:48 UT |
from norh-east limb
(pa: 34°, da: 6°, V: 281 km/s) |
not geoeffective
(index: 2.18) |
Appr. arrival: 07 July 2026 | |
| CME |
30 June 2026 14:24 UT |
from norh-east limb
(pa: 16°, da: 18°, V: 316 km/s) |
not geoeffective
(index: 7.81) |
Appr. arrival: 06 July 2026 | |
| CME |
30 June 2026 21:00 UT |
Halo II
(pa: 352°, da: 146°, V: 640 km/s) |
geoeffective
(index: 37.87) |
Appr. arrival: 08 July 2026 | |
| CME |
30 June 2026 22:00 UT |
from north limb
(pa: 2°, da: 10°, V: 463 km/s) |
not geoeffective
(index: 2.31) |
Appr. arrival: 04 July 2026 | |
| CME |
01 July 2026 03:36 UT |
from east limb
(pa: 85°, da: 12°, V: 703 km/s) |
not geoeffective
(index: 0.36) |
Appr. arrival: 03 July 2026 | |
| Today's Forecast | |
|---|---|
| Period | 3 days |
| Detail Information of Geomagnetic Activity | ||
| English |
The geomagnetic activity was on quiet level for the last 24 hours.
There was geoeffective coronal hole at south pole, while the others at south pole, eastern equator and north-east were not geoeffective. |
|
| Indonesian |
Aktivitas geomagnet berada pada level tenang selama 24 jam terakhir.
Terdapat lubang korona geoefektif di kutub selatan, sedangkan lubang korona di kutub selatan, ekuator-timur dan timur-laut tidak geoefektif. |
|
| Forecast of Geomagnetic Activity | ||
|---|---|---|
| English |
Active level geomagnetic activity is expected for the next 24 hours.
Quiet level geomagnetic activity is expected for 04 July 2026 07UT - 05 July 2026 07UT Quiet level geomagnetic activity is expected for 05 July 2026 07UT - 06 July 2026 07UT |
|
| Indonesian |
Aktivitas geomagnet diperkirakan berada pada level aktif dalam 24 jam yang akan datang.
Aktivitas geomagnet diperkirakan berada pada level tenang selama 04 Juli 2026 07UT - 05 Juli 2026 07UT. Aktivitas geomagnet diperkirakan berada pada level tenang selama 05 Juli 2026 07UT - 06 Juli 2026 07UT. |
|
| Detail information of Electron Flux | |
|---|---|
| English |
The electron flux was on low level for the last 24 hours.
|
| Indonesian |
Fluks elektron berada pada level rendah selama 24 jam terakhir.
|
| Forecast of Electron Flux | |
| English |
Low level of electron flux is expected for the next 24 hours.
Low level of electron flux is expected for 04 July 2026 07UT - 05 July 2026 07UT Low level of electron flux is expected for 05 July 2026 07UT - 06 July 2026 07UT |
| Indonesian |
Fluks elektron diperkirakan berada pada level rendah dalam 24 jam yang akan datang.
Fluks elektron diperkirakan berada pada level rendah selama 04 Juli 2026 07UT - 05 Juli 2026 07UT. Fluks elektron diperkirakan berada pada level rendah selama 05 Juli 2026 07UT - 06 Juli 2026 07UT. |