:Product: 0913SGAS.txt :Issued: 2024 Sep 13 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 257 Issued at 0245Z on 13 Sep 2024 This report is compiled from data received at SWO on 12 Sep A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0355 0404 0411 3811 M1.0 0426 0432 0439 3814 N13W01 M1.2 1n 230 0604 0618 0629 3811 S15W87 M2.7 Sf 180 0658 0658 0658 700 0931 0943 0951 X1.3 240 1143 1143 1143 100 1313 1321 1332 M1.2 1431 1443 1447 3811 S15W84 M6.8 Sf 1456 1506 1520 M1.6 2349 0012 0032 3811 M5.0 B. Proton Events: None. C. Geomagnetic Activity Summary: Field conditions reached Strong levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 201 SSN 160 Afr/Ap 036/078 X-ray Background C4.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.9e+06 GT 10 MeV 4.5e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.00e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 2 3 5 6 6 5 6 3 Planetary 1 3 5 6 7 7 8 4 F. Comments: None.