Viewing archive of Sunday, 27 April 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Apr 27 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 117 Issued at 0245Z on 27 Apr 2025 This report is compiled from data received at SWO on 26 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 1733 1733 1733 260 1736 1736 1736 120
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet
and unsettled.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 156 SSN 172 Afr/Ap 007/??? X-ray Background B8.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.3e+05 GT 10 MeV 1.6e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.50e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 2 1 2 3 3 3 2 2 Planetary ? ? ? ? ? ? ? ?
F. Comments
None.
All times in UTC
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/29 | M1.7 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
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| Monthly mean Sunspot Number | |
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