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Geophysical report
Solar and Geophysical Activity Summary 2025 Apr 04 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 094 Issued at 0245Z on 04 Apr 2025 This report is compiled from data received at SWO on 03 AprA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0057 0057 0057 620 0202 0202 0203 130 0707 0707 0707 140 0709 0709 0709 100 0909 0913 0915 4045 S14W09 C3.4 Sf 340 1143 1143 1143 100 1316 1316 1316 110 1516 1516 1516 100 1859 1859 1859 170 1910 1910 1910 130 2006 2006 2006 250 2033 2033 2033 260 2054 2054 2054 160 2058 2058 2058 130 2323 2323 2323 250 2324 2324 2324 120 2330 2330 2330 100 2346 2346 2346 350 2352 2352 2352 160 2354 2354 2354 110
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field reached
minor storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 178 SSN 124 Afr/Ap 025/026 X-ray Background C1.2 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.8e+07 GT 10 MeV 1.4e+05 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 6.30e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 3 3 4 4 4 3 4 Planetary 4 3 4 4 4 3 5 5
F. Comments
Planetary Kp estimate based on NOAA values.
All times in UTC
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