Viewing archive of Tuesday, 25 February 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Feb 25 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 056 Issued at 0245Z on 25 Feb 2025 This report is compiled from data received at SWO on 24 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0133 0146 0155 4001 M1.3 120 0653 0702 0708 4000 M3.3 23000 110 II 0913 0913 0913 120 0926 0926 0926 120 0927 0929 0929 130 0957 0957 0957 100 1052 1052 1052 240 1109 1109 1109 130 1206 1206 1206 100 2027 2027 2028 130 2038 2038 2038 120 2051 2101 2109 4000 N16W30 M1.5 1n 110 2126 2126 2126 150 2131 2140 2150 3998 C8.1 110 2150 2302 0019 M3.9 3200 II/IV
B. Proton Events
The greater than 10 MeV protons began to increase
at 24/2315z and crossed the 10 pfu threshold at 25/0020z.
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet
to minor storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 203 SSN 182 Afr/Ap 010/012 X-ray Background C2.4 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.7e+06 GT 10 MeV 6.3e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder 3 1 2 3 2 2 3 2 Planetary 3 0 1 2 2 2 5 2
F. Comments
None.
All times in UTC
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| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/02/25 | M3.6 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
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