Viewing archive of Friday, 23 August 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Aug 23 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 235 Issued at 0245Z on 23 Aug 2002 This report is compiled from data received at SWO on 22 Aug
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0147 0157 0205  0069 S07W62 M5.4  2b        260    II
0210 0000 0000                                        IV
1054 1054 1056                       210
1616 1624 1630  0079 S22W48 C7.0  Sf 100    40
1739 1802 1815  0087 S05E76 M1.2  1n 1200   51
1827 1834 2008                       2300
B. Proton Events
A greater than 10 MeV proton event began at 22/0440 UTC and is still in progress. The tentative maximum for this event has been 36 pfu at 22/0940 UTC. A greater than 100 MeV event began at 22/0340 UTC, reaching a maximum of 1 pfu at 22/0510 UTC and ended at 22/0615 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field has been quiet to active conditions.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 220  SSN 205  Afr/Ap 012/011   X-ray Background C1.9
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.5e+06   GT 10 MeV 1.3e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 5.70e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 3 3 2 2 2 1 2 Planetary 4 3 3 2 2 2 3 3
F. Comments
  None

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