Viewing archive of Tuesday, 16 April 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Apr 16 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 106 Issued at 0245Z on 16 Apr 2002 This report is compiled from data received at SWO on 15 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
2334 0014 0025  9893 N19W60 M3.7  Sf 260    59
0305 0355 0506  9906 S15W01 M1.2  Sf 830    37
0712 0712 0712                       140
0849 0852 0854              C3.0     1400
0952 0953 0955  9901 N21W59       Sf 120
1119 1120 1120                       550
1722 1736 1801  9905 S16W60 C3.1  Sf 320    34
2253 0000 2252                                        IV
2305 2324 2341              M1.2            31
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 203  SSN 243  Afr/Ap 006/007   X-ray Background C5.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.4e+05   GT 10 MeV 1.8e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 3.30e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 1 1 1 2 2 2 3 Planetary 2 1 1 2 2 3 3 3
F. Comments
  The 15 April Afr reported in Part E is estimated from
Boulder observations.

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