Viewing archive of Wednesday, 26 February 2025
Geophysical report
Solar and Geophysical Activity Summary 2025 Feb 26 0245 UTCPrepared by the NOAA © SWPC and processed by SpaceWeatherLive.com
Joint USAF/NOAA Solar and Geophysical Activity Summary
SGAS Number 057 Issued at 0245Z on 26 Feb 2025 This report is compiled from data received at SWO on 25 FebA. Energetic Events
Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0151 0151 0151 100 0201 0202 0202 200 0208 0208 0208 170 0243 0247 0254 3998 M1.3 0302 0302 0302 110 0648 0648 0648 150 0855 0855 0855 130 1120 1159 1244 3998 S13W51 M3.6 1f 140 240 II/IV 2150 2302 0019 M3.9 3200 II/IV
B. Proton Events
The greater than 10 MeV proton event that began
at 25/0020z, reached a max of 37.1 pfu at 25/0240z, dropped below
threshold at 25/1115z.
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 190 SSN 155 Afr/Ap 011/008 X-ray Background C2.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.9e+07 GT 10 MeV 1.0e+06 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.20e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices Boulder ? ? ? ? ? ? ? ? Planetary 2 1 1 1 1 2 3 3
F. Comments
Boulder magnetometer outage today.
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 | 2025/02/27 | Kp6- (G2) |
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