:Product: 0327SGAS.txt :Issued: 2026 Mar 27 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 086 Issued at 0245Z on 27 Mar 2026 This report is compiled from data received at SWO on 26 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0611 0623 0631 4403 N13E59 M3.9 1n 1600 110 II 0652 0658 0701 C3.3 150 0942 0942 0942 110 1227 1227 1227 120 1935 1935 1935 220 B. Proton Events: None. C. Geomagnetic Activity Summary: The geomagnetic field was quiet and unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 152 SSN 113 Afr/Ap 007/010 X-ray Background C1.0 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.7e+06 GT 10 MeV 1.7e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 4.80e+08 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W72 degrees) 3 Hour K-indices: Boulder 1 2 3 3 3 3 2 2 Planetary 3 2 3 2 2 3 2 2 F. Comments: None.