:Product: 0413SGAS.txt :Issued: 2013 Apr 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 103 Issued at 0245Z on 13 Apr 2013 This report is compiled from data received at SWO on 12 Apr A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0623 0632 0641 1721 S16E16 Sf 180 1952 2038 2046 1718 M3.3 B. Proton Events: The greater than 10 MeV proton that began at 11/1055Z, reached a maximum flux value of 114 pfu at 11/1645Z, and ended at 12/2210Z. C. Geomagnetic Activity Summary: The geomagnetic field was quiet. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 138 SSN 128 Afr/Ap 004/004 X-ray Background B5.9 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 2.1e+07 GT 10 MeV 1.9e+06 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 1.50e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 1 2 2 0 2 2 2 1 Planetary 2 2 1 0 1 1 1 1 F. Comments: None.