Viewing archive of Tuesday, 28 August 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Aug 28 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 240 Issued at 0245Z on 28 Aug 2001 This report is compiled from data received at SWO on 27 Aug
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0631 0638 0656  9601        M1.9
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to active.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 192  SSN 182  Afr/Ap 015/012   X-ray Background C1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.3e+06   GT 10 MeV 5.8e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.70e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 4 1 1 2 3 4 4 Planetary 2 3 1 1 3 3 4 4
F. Comments
  A shock passed the ACE spacecraft at 27/1920 UTC and
created a sudden impulse of 37 nt at the Earth at 27/1952 UTC.

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