:Product: 0520SGAS.txt :Issued: 2024 May 20 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 141 Issued at 0245Z on 20 May 2024 This report is compiled from data received at SWO on 19 May A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0251 0251 0251 150 0316 0316 0316 1000 0324 0324 0324 100 0355 0355 0356 1100 0441 0442 0442 170 0507 0507 0507 370 0647 0647 0647 280 0653 0653 0653 160 0841 0841 0841 180 0932 0932 0933 250 0952 1004 1023 C2.4 140 1149 1149 1150 550 1209 1209 1209 1200 1221 1221 1221 230 1231 1235 1239 3685 S14E39 C2.4 Sf 7600 1337 1344 1348 3685 S10E36 M1.9 1n 1800 1554 1554 1555 430 1608 1608 1608 100 1747 1756 1800 3685 S10E34 M2.5 1b 3600 2039 2039 2039 390 2153 2159 2203 3685 S09E34 M1.6 1n B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was quiet to unsettled. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 201 SSN 154 Afr/Ap 010/009 X-ray Background C1.6 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 7.0e+06 GT 10 MeV 4.4e+04 p/(cm2-ster-day) (GOES-18 satellite synchronous orbit W137 degrees) Daily Electron Fluence GT 2 MeV 9.70e+06 e/(cm2-ster-day) (GOES-16 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 3 2 3 3 3 2 2 Planetary 2 3 1 3 3 2 2 2 F. Comments: None