Viewing archive of Monday, 17 March 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Mar 17 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 076 Issued at 0245Z on 17 Mar 2025 This report is compiled from data received at SWO on 16 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep None
B. Proton Events
None
C. Geomagnetic Activity Summary
Field conditions were at quiet to
active levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 186 SSN 190 Afr/Ap 010/012 X-ray Background C1.1 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 6.6e+05 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.90e+08 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 1 2 2 3 4 3 2 3 Planetary 2 2 2 3 4 3 3 3
F. Comments
None
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
Fairbanks, AKLatest 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
AR4046 110Aurora photography hints for those of us with smartphones 48Large Coronal Hole 25 178Incoming & Unnumbered Active Regions 1655LASCO Data Not Updating 5
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Latest alerts
00:00 UTC - Solar flare
Moderate M1.79 flare
Friday, 28 March 2025
23:36 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.04)
21:24 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 51GW at 21:59 UTC
19:45 UTC - Solar flare
Moderate M1.16 flare
19:27 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.1)
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/28 | M1.7 |
| 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 |
| March 2025 | 128.3 -26.4 |
| Last 30 days | 128.3 -23.7 |