:Product: 0508SGAS.txt :Issued: 2025 May 08 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 128 Issued at 0245Z on 08 May 2025 This report is compiled from data received at SWO on 07 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0448 0448 0448 370 0521 0521 0521 340 1345 1345 1345 100 1347 1347 1347 110 1349 1349 1349 110 1404 1405 1405 170 1443 1444 1445 200 1454 1454 1454 120 1504 1504 1504 150 1534 1534 1534 140 1855 1904 1908 4079 N12W33 C3.2 Sf 150 1916 1916 1917 410 2121 2121 2121 650 B. Proton Events: None. 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 154 SSN 084 Afr/Ap 008/008 X-ray Background B7.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 9.4e+05 GT 10 MeV 2.0e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 5.60e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 3 3 2 2 1 2 Planetary 2 3 3 3 2 1 2 2 F. Comments: The GOES19 2 MeV electron fluence reached high levels.