Viewing archive of Sunday, 30 March 2025
Solar activity report
Report of Solar-Geophysical Activity 2025 Mar 30 2200 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 89 Issued at 2200Z on 30 Mar 2025IA. Analysis of Solar Active Regions and Activity from 29-2100Z to 30-2100Z
IB. Solar Activity Forecast
IIA. Geophysical Activity Summary 29-2100Z to 30-2100Z
IIB. Geophysical Activity Forecast
III. Event Probabilities 31 Mar to 02 Apr
| Class M | 55% | 50% | 50% |
| Class X | 10% | 10% | 10% |
| Proton | 05% | 05% | 05% |
| PCAF | green | ||
IV. Penticton 10.7 cm Flux
Observed 30 Mar 171 Predicted 31 Mar-02 Apr 170/175/175 90 Day Mean 30 Mar 180
V. Geomagnetic A Indices
Observed Afr/Ap 29 Mar 010/012 Estimated Afr/Ap 30 Mar 010/012 Predicted Afr/Ap 31 Mar-02 Apr 007/008-009/010-008/008
VI. Geomagnetic Activity Probabilities 31 Mar to 02 Apr
| A. Middle Latitudes | |||
|---|---|---|---|
| Active | 15% | 20% | 15% |
| Minor storm | 05% | 05% | 05% |
| Major-severe storm | 01% | 01% | 01% |
| B. High Latitudes | |||
|---|---|---|---|
| Active | 15% | 15% | 15% |
| Minor storm | 25% | 30% | 25% |
| Major-severe storm | 25% | 25% | 25% |
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, SodankyläArkhangelsk, Murmansk, Vorkuta
Luleå
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
KuopioBergen, Trondheim
Sundsvall, Umeå
Current data suggests there is a slight possibility for aurora to appear at the following middle latitude regions in the near future
Helsinki, Tampere, TurkuPetrozavodsk, Syktyvkar
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
Latest forum messages
Support SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
20:09 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.05)
10:00 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 78GW at 10:32 UTC
04:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 04:05 UTC
03:15 UTC - Geomagnetic activity
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 02:59 UTC
01:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 00:51 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/01 | M2.5 |
| Last geomagnetic storm | 2025/04/04 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 148 +13.8 |
| Last 30 days | 130.9 -15.2 |