Viewing archive of Wednesday, 25 November 1998 - Sunspot regions
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 102 28 | 0 -2 | C1.2 | C9.19 | 8 |
Sunspot regions
Region 8391 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -5 | 100 40 | HSX | S14W25 | |
Region 8392 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 30 -10 | CSO | S25E34 | |
Solar flares on this day | ||||
| C1.69 | ||||
Region 8393 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 10 | 320 180 | FSI | S19E68 | |
Solar flares on this day | ||||
| C3.56 | ||||
Region 8394 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | CSO | S16W50 | |
Region 8395 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | N17E77 | |
Solar flares on this day | ||||
| C3.01 C4 | ||||
All times in UTC
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CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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Latest alerts
18:33 UTC - Solar flare
Moderate M1.31 flare from sunspot region 4055
CME arrival, G3 storm watch
A coronal mass ejection has arrived at our planet. This is the first of possibly two coronal mass ejections that were expected to arrive from filament eruptions on April 12 and 13. The minor G1 geomagnetic storm threshold has already been reached and the NOAA SWPC has a strong G3 geomagnetic storm watch in place for tomorrow, 16 April. Keep an eye on the data here on this website in the hours ahead. There is more action to come!
18:12 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.15)
17:45 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 17:32 UTC
17:30 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 17:25 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/14 | M4.2 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 128.8 -5.4 |
| Last 30 days | 129.1 -15.1 |