Viewing archive of Tuesday, 20 November 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Nov 20 0245 UTC
Prepared by the NOAA © SWPC and processed by

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 324 Issued at 0245Z on 20 Nov 2001 This report is compiled from data received at SWO on 19 Nov
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0259 0259 0259                       130
B. Proton Events
A greater than 10 MeV proton event at geosynchronous orbit began at 19/1230 UTC. This event remains in progress with a peak flux so far of 33 pfu at 19/2340 UTC.
C. Geomagnetic Activity Summary
The geomagnetic field ranged from quiet to active levels. A sudden impulse was observed at ground magnetometers (10 nT at Boulder) at about 19/1815 UTC.
D. Stratwarm
E. Daily Indices: (real-time preliminary/estimated values)
10 cm ???  SSN 168  Afr/Ap 017/016   X-ray Background B8.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 4.4e+07   GT 10 MeV 1.0e+06 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 4.90e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 2 2 4 4 3 4 3 Planetary 3 2 2 3 3 3 4 4
F. Comments

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