Viewing archive of Tuesday, 27 September 2011
Coronal holes
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
NuukTórshavn
Reykjavik
Trondheim
Luleå
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
Unexplained proton activity 56Unspecified geomagnetic activity 2192AR4048 110SolarMax and FRAM2 2Changelog/Featurelog 169
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Latest alerts
00:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 23:59 UTC
Thursday, 3 April 2025
20:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 20:02 UTC
13:03 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 13:56 UTC
Wednesday, 2 April 2025
04:03 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 04:56 UTC
01:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 01:32 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| April 2025 | 152.5 -2.1 |
| Last 30 days | 130.6 -15.9 |