:Product: 0619SGAS.txt :Issued: 2025 Jun 19 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 170 Issued at 0245Z on 19 Jun 2025 This report is compiled from data received at SWO on 18 Jun A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0118 0119 0119 290 0155 0155 0155 120 0219 0219 0219 130 0222 0222 0222 140 0255 0255 0255 180 0259 0259 0259 150 0303 0313 0321 4115 N22W06 C9.2 Sf 100 0434 0458 II 0435 0439 0440 48000 II 1054 1054 1054 180 1109 1131 1140 4114 N19W19 C4.7 Sf 110 1159 1159 1159 100 1306 1306 1308 130 1655 1655 1656 100 2003 2004 2005 300 2012 2012 2013 110 2344 0000 0015 4117 M1.5 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 137 SSN 120 Afr/Ap 012/013 X-ray Background C1.3 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.2e+05 GT 10 MeV 1.8e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 3.10e+07 e/(cm2-ster-day) (GOES-19 satellite synchronous orbit W0 degrees) 3 Hour K-indices: Boulder 3 2 3 3 3 3 3 4 Planetary 3 2 2 3 3 2 2 4 F. Comments: None