Viewing archive of Thursday, 27 February 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Feb 27 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 058 Issued at 0245Z on 27 Feb 2025 This report is compiled from data received at SWO on 26 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0429 0429 0429 4900 1145 1156 1203 C4.3 230 1703 1703 1703 140
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to
unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 180 SSN 123 Afr/Ap 013/013 X-ray Background C1.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+07 GT 10 MeV 1.9e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 3 3 3 3 4 3 2 Planetary 2 3 2 3 3 3 3 2
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/26 | M4.0 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
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| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
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| March 2026 | 81.4 +3.2 |
| Last 30 days | 81.4 +3.6 |