Viewing archive of Friday, 25 April 2003

Geophysical report

Solar and Geophysical Activity Summary 2003 Apr 25 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 115 Issued at 0245Z on 25 Apr 2003 This report is compiled from data received at SWO on 24 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0150 0150 0150                       140
0829 0830 0830                       130
1036 1039 1039                       270
1245 1253 1303  0338 N21W39 M3.3  1n 830    89     II/IV
2228 2233 2235  0338        C1.3     220
B. Proton Events
None.
C. Geomagnetic Activity Summary
The geomagnetic field was unsettled to active with occasional minor storm periods at high latitudes. High speed solar wind continues with speeds up to near 600 km/s.
D. Stratwarm
None.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 128  SSN 171  Afr/Ap 021/024   X-ray Background B4.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.8e+06   GT 10 MeV 2.2e+04 p/(cm2-ster-day)
(GOES-10 satellite synchronous orbit W135 degrees)
Daily Electron Fluence
GT 2 MeV 9.70e+07 e/(cm2-ster-day)
(GOES-10 satellite synchronous orbit W135 degrees)
3 Hour K-indices
Boulder 3 3 3 4 3 4 4 4 Planetary 3 3 4 5 4 4 4 4
F. Comments
  The greater than 2 MeV electrons at geosynchronous
orbit reached high levels today.

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