Viewing archive of Thursday, 17 April 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Apr 17 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 107 Issued at 0245Z on 17 Apr 2025 This report is compiled from data received at SWO on 16 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0749 0749 0749 110 0837 0837 0837 100 1342 1342 1342 100 1820 1820 1820 110 1832 1832 1832 160 1840 1840 1840 110 2009 2009 2009 170 2047 2047 2047 110 2148 2148 2149 190 2233 2233 2233 110 2341 2354 0006 4062 C3.1 800 2341 2341 2341 2000
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field ranged from
minor to strong levels with an isolated G4 (severe) period.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 148 SSN 070 Afr/Ap 043/??? X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.3e+06 GT 10 MeV 1.4e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 5 3 3 3 5 6 6 6 Planetary 5 3 3 5 7 6 8 5
F. Comments
None
All times in UTC
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