Viewing archive of Monday, 23 December 2002

Geophysical report

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

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 357 Issued at 0245Z on 23 Dec 2002 This report is compiled from data received at SWO on 22 Dec
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0214 0252 0312  0223 N23W42 M1.1  2f 160    230    II/IV
0331 0337 0348                       250
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels with an isolated active period at middle and high latitudes between 22/1800 and 2100 UTC. The NASA/ACE instrument detected a weak shock passage at approximately 22/1300 UTC. The Bz component of the interplanetary magnetic field has been predominantly north since transient onset. The greater than 2 MeV electron flux at geosynchronous orbit reached moderate levels today.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 172  SSN 168  Afr/Ap 011/012   X-ray Background B8.6
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.4e+06   GT 10 MeV 1.7e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.40e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 2 2 2 3 3 4 2 Planetary 2 2 2 3 3 3 4 2
F. Comments
  None

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