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Geophysical report

Solar and Geophysical Activity Summary 2013 May 18 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 138 Issued at 0245Z on 18 May 2013 This report is compiled from data received at SWO on 17 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 0843 0857 0919  1748 N12E57 M3.2  2b 1500   420    II/IV           
B. Proton Events
A greater than 10 MeV proton event is in progress. Peak flux reached 42 pfu during the past 24 hours.
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 136  SSN 198  Afr/Ap 009/010   X-ray Background B5.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.4e+07   GT 10 MeV 2.3e+06 p/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 9.60e+06 e/(cm2-ster-day)
(GOES-13 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 3 2 2 2 3 2 2 Planetary 2 3 2 1 3 2 3 2 
F. Comments
  None

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