Viewing archive of Wednesday, 26 September 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Sep 26 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 269 Issued at 0245Z on 26 Sep 2001 This report is compiled from data received at SWO on 25 Sep
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0143 0148 0154  9628 S14E03 M1.1  Sf 68     53
0237 0237 0237                       3900
0424 0440 0452  9628 S18W01 M7.6  1n 3600   190    II
0642 0643 0643                       110
1018 1027 1031  9628 S16W03 M2.0  1n 160    38
1043 1048 1051  9628 S15W04       Sf               II
1352 1352 1352                       140
1711 1717 1722  9628 S17W08 C7.0  Sf 4900   260
2343 2343 2343                       650
B. Proton Events
start max end peak flux 24/1215 25/2100 ip 12,900 pfu (grtr than 10 MeV) 24/1440 25/0755 ip 31 pfu (grtr than 100 MeV)
C. Geomagnetic Activity Summary
Quiet until a sudden impulse at 2025 UTC. Active to major storm at the end of the day.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 275  SSN 320  Afr/Ap 010/018   X-ray Background C2.5
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.1e+09   GT 10 MeV 2.7e+08 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 7.00e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 2 2 1 1 1 4 6 Planetary 1 2 2 1 1 2 5 6
F. Comments
  None

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