:Product: 0226SGAS.txt :Issued: 2026 Feb 26 0245 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. # Joint USAF/NOAA Solar and Geophysical Activity Summary SGAS Number 057 Issued at 0245Z on 26 Feb 2026 This report is compiled from data received at SWO on 25 Feb A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0641 0656 0709 S08W28 C2.6 Sf II 0742 0742 0742 420 1207 1207 1208 130 1535 1559 1609 4379 M2.3 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached active levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 125 SSN 025 Afr/Ap 011/014 X-ray Background B8.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 8.0e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.90e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 3 2 2 3 2 3 1 3 Planetary 4 2 2 3 3 3 2 4 F. Comments: None