Viewing archive of Sunday, 16 September 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Sep 16 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 259 Issued at 0245Z on 16 Sep 2001 This report is compiled from data received at SWO on 15 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1104 1128 1154  9608 S21W49 M1.5  1n 37     99     II
1544 1559 1610  9616 S13E27 M1.3  1f 38     140
B. Proton Events
A greater than 10 MeV proton event began at 15/1435 UTC with a peak flux observed at 15/1455 UTC of 11 pfu.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to active.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 219  SSN 183  Afr/Ap 015/015   X-ray Background C2.0
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.7e+06   GT 10 MeV 2.1e+05 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 4.10e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 3 3 2 2 4 3 3 3 Planetary 3 2 2 3 4 4 3 3
F. Comments
  None

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