Viewing archive of Sunday, 31 March 2013 - Sunspot regions
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 83 13 | 1 | B3.71 | C1.18 | 1 |
Sunspot regions
Region 11704 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 70 | HAX | N15W34 | |
|
||||
Region 11707 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 30 -10 | CAO | S11W12 | |
|
||||
Region 11708 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 50 -40 | CSO | N11E30 | |
|
||||
Region 11710 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -1 | 50 -20 | CAO | S22E20 | |
|
||||
Region 11711 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 420 210 | CKI | S17E62 | |
|
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Solar flares on this day | ||||
| C1.14 | ||||
Region 11712 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | CRO | N01E38 | |
All times in UTC
Current data suggests there is a moderate possibility for aurora to appear at the following high latitude regions in the near future
Oulu, Rovaniemi, Sodankylä, UtsjokiKirkenes, Tromsø
Murmansk, Vorkuta
Kiruna, Luleå
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
KuopioTrondheim
Arkhangelsk, Norilsk
Sundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
TamperePetrozavodsk, Syktyvkar
Latest news
Coronal hole faces Earth
X2.0 solar flare from sunspot region 4001
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
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19:39 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 53GW at 20:34 UTC
19:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:55 UTC
17:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 17:30 UTC
16:18 UTC - Solar flare
Moderate M1.22 flare
16:15 UTC - Type II Radio Emission
Begin Time: 21/03/2025 15:57 UTC Estimated Velocity: 242km/sec.
Space weather facts
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| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/14 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.4 -16.2 |
| Last 30 days | 143 -6.3 |