:Product: 0424SGAS.txt :Issued: 2012 Apr 24 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 115 Issued at 0245Z on 24 Apr 2012 This report is compiled from data received at SWO on 23 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0410 0410 0410 100 0657 0657 0657 130 0849 0849 0849 110 1351 1403 1410 1461 N14W15 Sf 140 1533 1533 1533 150 1537 1541 1545 1459 S14W34 B8.9 Sf 120 1738 1751 1805 1461 N14W17 C2.0 Sf 110 II 2054 2054 2100 140 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at quiet to major storm levels. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 142 SSN 158 Afr/Ap 021/030 X-ray Background B5.5 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 3.2e+05 GT 10 MeV 1.2e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 9.90e+05 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 5 5 2 2 5 4 4 Planetary 2 3 4 2 2 4 6 6 F. Comments: None