Viewing archive of Saturday, 20 October 2001

Geophysical report

Solar and Geophysical Activity Summary 2001 Oct 20 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 293 Issued at 0245Z on 20 Oct 2001 This report is compiled from data received at SWO on 19 Oct
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0047 0105 0113  9661 N16W18 X1.6  2b 9300   1400   II/IV
0220 0232 0246              M1.2
0252 0258 0303  9671 N16E17 M1.4  Sf        21
0635 0645 0653  9658 S16W44 M1.3  Sf
0858 0859 0902  9658 S14W47       Sf 190
0935 0943 0955  9658 S14W47 M5.7  1b 100    370
1025 1025 1042  9671 N17E13       Sf 200
1613 1630 1643  9661 N15W29 X1.6  2b        720    II/IV
1710 1718 1725                       140
1722 1724 1728  9661 S14W50       Sf 100
2314 2325 2333  9658 S17W57 M3.3  1f        170
B. Proton Events
Greater than 10 MeV proton levels reached event threshold at 19/2225 UTC.
C. Geomagnetic Activity Summary
Geomagnetic activity was quiet to unsettled. Greater than 10 MeV proton levels were enhanced due to the two CMEs from Region 9661, but remained just below event threshold.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 248  SSN 219  Afr/Ap 008/008   X-ray Background C2.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 2.4e+06   GT 10 MeV 4.2e+05 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.80e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 0 1 2 2 3 3 2 3 Planetary 0 1 2 2 3 3 2 3
F. Comments
  None

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