Viewing archive of Thursday, 1 August 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Aug 01 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 213 Issued at 0245Z on 01 Aug 2002 This report is compiled from data received at SWO on 31 Jul
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0139 0153 0202  0039 S13W30 M1.2  Sb        38
2104 2104 2104                       670
2328 2355 0012              C4.7     110    42
2343 2345 2345                       620    61
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was at quiet to unsettled levels. A weak shock was detected at the L1 position by the NASA/ACE spacecraft at approximately 31/1100 UTC. The Bz component of the IMF was northward resulting in little geomagnetic activity.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 209  SSN 265  Afr/Ap 009/009   X-ray Background C1.7
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 6.2e+05   GT 10 MeV 2.3e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.10e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 2 2 2 3 3 2 2 Planetary 3 2 1 2 3 3 3 2
F. Comments
  None

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