:Product: 1002SGAS.txt :Issued: 2025 Oct 02 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 275 Issued at 0245Z on 02 Oct 2025 This report is compiled from data received at SWO on 01 Oct A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0042 0042 0042 130 0215 0226 0237 4232 N06E20 M1.2 1n 0327 0327 0327 140 0339 0339 0339 150 0545 0545 0545 120 1119 1119 1119 150 1128 1135 1141 4236 C8.6 190 1433 1433 1433 100 1435 1435 1435 100 1609 1609 1609 160 1636 1650 1700 4232 N08E12 M1.2 1n 100 1704 1704 1704 100 1715 1715 1715 100 1726 1726 1727 160 1735 1735 1735 100 1838 1838 1838 1100 1903 1903 1903 170 2150 2150 2159 4236 N09W00 Sf 150 2339 2341 2341 4232 N06E10 Sf 110 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field reached major storm levels D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 184 SSN 161 Afr/Ap 025/050 X-ray Background C1.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.9e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 7.30e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 5 5 5 3 5 5 4 4 Planetary 5 5 5 4 6 5 6 4 F. Comments: None