Viewing archive of Saturday, 25 May 2013

Geophysical report

Solar and Geophysical Activity Summary 2013 May 25 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 145 Issued at 0245Z on 25 May 2013 This report is compiled from data received at SWO on 24 May
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
 1513 1513 1513                       760                           
 2312 2312 2312                       130                           
 2332 2332 2332                       230                           
B. Proton Events
The greater than 10 MeV proton flux which began 23/2330Z, reached a maximum of 1660 pfu at 23/0650Z, fell below the 1000 pfu threshold at 23/1040Zand fell below 100 pfu at 24/0435Z, ending the day at 13 pfu.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from quiet to major storm levels.
D. Stratwarm
Not available
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 127  SSN 099  Afr/Ap 017/023   X-ray Background B4.5
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 9.8e+07   GT 10 MeV 5.2e+06 p/(cm2-ster-day)
(GOES-15 satellite synchronous orbit W135 degrees)
Daily Electron Fluence
GT 2 MeV 5.90e+07 e/(cm2-ster-day)
(GOES-15 satellite synchronous orbit W135 degrees)
3 Hour K-indices
Boulder 2 3 3 2 3 3 5 4 Planetary 3 4 2 3 3 3 6 4 
F. Comments
  GOES-15 particle data is being used because of a
GOES-13 outage.

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