Viewing archive of Wednesday, 16 July 2003
Solar flares
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
RovaniemiCurrent data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
Oulu, KuopioTrondheim
Arkhangelsk
Luleå, 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
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
20:48 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 21:39 UTC
19:09 UTC - Solar flare
Moderate M3.24 flare from sunspot region 4055
18:51 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.07)
16:00 UTC - Solar flare
Moderate M1.29 flare from sunspot region 4055
15:42 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.2)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/13 | M3.1 |
| 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 | 136.4 +2.2 |
| Last 30 days | 134.7 -7.2 |