:Product: 0518SGAS.txt :Issued: 2022 May 18 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 138 Issued at 0245Z on 18 May 2022 This report is compiled from data received at SWO on 17 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0458 0458 0458 130 0821 0821 0821 120 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was qjuiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 171 SSN 153 Afr/Ap 015/013 X-ray Background C1.8 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.9e+04 GT 10 MeV 3.7e+04 p/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.50e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 3 4 3 3 2 2 Planetary 1 3 3 3 3 2 3 2 F. Comments: None