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Geophysical report

Solar and Geophysical Activity Summary 2013 May 28 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 148 Issued at 0245Z on 28 May 2013 This report is compiled from data received at SWO on 27 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0117 0118 0118                       660                           
 0149 0211 0229  1756        B8.1     250                           
 0231 0231 0231                       120                           
B. Proton Events
C. Geomagnetic Activity Summary
Quiet to active.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 110  SSN 087  Afr/Ap 008/012   X-ray Background B3.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.3e+06   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-15 satellite synchronous orbit W135 degrees)
Daily Electron Fluence
GT 2 MeV 1.60e+09 e/(cm2-ster-day)
(GOES-15 satellite synchronous orbit W135 degrees)
3 Hour K-indices
Boulder 2 3 2 3 3 3 3 2 Planetary 2 3 1 3 3 2 4 3 
F. Comments
  The greater than 2 MeV electron fluence at
geosynchronous orbit reached very high levels during the summary
period. Particle measurements are being reported from the GOES-15
satellite due to a GOES-13 outage.

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