:Product: 0325SGAS.txt :Issued: 2024 Mar 25 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 085 Issued at 0245Z on 25 Mar 2024 This report is compiled from data received at SWO on 24 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0112 0125 0130 3615 M1.4 0135 0135 0135 200 0143 0154 0157 3615 S14E00 M2.1 2n 0157 0205 0209 3615 M2.3 0209 0218 0229 3615 M2.7 0235 0235 0236 100 0559 0606 0610 3615 S14W03 M2.2 1b 0655 0655 0655 100 0707 0718 0722 3615 C7.2 220 0722 0725 0730 3615 C8.2 170 0736 0751 0806 3615 S14W03 M1.3 2n 1107 1117 1125 3615 S13W04 C9.7 1f 130 1210 1218 1222 3615 S14W05 M1.1 1n 1227 1234 1239 3615 M1.0 1300 1313 1328 M1.2 1805 1805 1805 2300 2330 2349 0003 3615 S12E01 M2.4 2n B. Proton Events: The 10 MeV proton event that began on the 23rd continued. Peak flux at GOES 18 was 725pfu at 1235 UTC. C. Geomagnetic Activity Summary: The geomagnetic field reached severe (G4, Kp=8o) levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 195 SSN 145 Afr/Ap 043/093 X-ray Background C2.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 1.1e+09 GT 10 MeV 2.6e+07 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 1.60e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 4 3 4 4 5 8 5 4 Planetary 4 3 4 4 5 9 8 4 F. Comments: None