Viewing archive of Thursday, 27 March 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Mar 27 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 086 Issued at 0245Z on 27 Mar 2025 This report is compiled from data received at SWO on 26 MarA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0744 0809 0821 4043 M1.0 0907 0912 0920 4043 C6.5 II 0920 0934 II
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached
major storm levels during the period.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 152 SSN 063 Afr/Ap 026/048 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+06 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.80e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 4 4 2 3 5 5 6 4 Planetary 4 4 2 3 6 6 6 4
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
Edmonton, AB, Gillam, MB, Iqaluit, NU, Saskatoon, SK, Whitehorse, YT, Yellowknife, NTJuneau, AK
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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 | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 143 +8.8 |
| Last 30 days | 130.4 -16.1 |