:Product: 0331SGAS.txt :Issued: 2013 Mar 31 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 090 Issued at 0245Z on 31 Mar 2013 This report is compiled from data received at SWO on 30 Mar A. Energetic Events Begin Max End Rgn Loc Xray Op 245MHz 10cm Sweep 0007 0007 0007 100 0530 0530 0530 140 0718 0718 0718 150 1111 1111 1112 370 1306 1322 1331 B4.8 II 1423 1424 1424 220 1643 1643 1646 350 1647 1647 1648 130 1656 1656 1656 110 1804 1805 1805 250 1808 1808 1809 2300 1840 1843 1845 180 1918 1918 1918 220 2042 2042 2043 120 2103 2115 2118 540 B. Proton Events: None C. Geomagnetic Activity Summary: The geomagnetic field was at minor storm levels to begin the period from 30/0000-0600Z due to residual coronal hole high speed stream effects. Quiet conditions prevailed for the remainder of the day. D. Stratwarm: Not Available E. Daily Indices: (real-time preliminary/estimated values) 10 cm 108 SSN 070 Afr/Ap 012/016 X-ray Background B2.7 Daily Proton Fluence (flux accumulation over 24 hrs) GT 1 MeV 5.0e+05 GT 10 MeV 1.1e+04 p/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) Daily Electron Fluence GT 2 MeV 7.00e+07 e/(cm2-ster-day) (GOES-13 satellite synchronous orbit W75 degrees) 3 Hour K-indices: Boulder 5 4 2 2 2 2 3 1 Planetary 5 5 2 2 1 1 3 2 F. Comments: None