Viewing archive of Tuesday, 30 April 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Apr 30 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 120 Issued at 0245Z on 30 Apr 2002 This report is compiled from data received at SWO on 29 Apr
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0026 0026 0026                       260
0146 0146 0146                       190
0922 0928 0931              C3.4     150
0935 0940 0944              C4.8     220
1010 1010 1011                       170
1201 0000 1214                                     II
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled with isolated active periods at high latitudes. The disturbed conditions are due to a high speed coronal hole stream that began on the 27th.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 153  SSN 124  Afr/Ap 007/009   X-ray Background B7.1
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.5e+05   GT 10 MeV 6.3e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 5.80e+06 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 1 1 2 3 3 2 1 Planetary 2 1 2 3 3 3 3 2
F. Comments
  None

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