Viewing archive of Friday, 22 February 2002

Geophysical report

Solar and Geophysical Activity Summary 2002 Feb 22 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 053 Issued at 0245Z on 22 Feb 2002 This report is compiled from data received at SWO on 21 Feb
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1156 1226 1236  9825 N13W90 M3.9
1807 1823 1844  9825 N13W90 M1.0
2028 2037 2047  9825 N13W90 M1.4            28
2349 0010 0027  9830 S16W27 M4.4  2n
B. Proton Events
The greater than 10 MeV protons at geosynchronous orbit remain elevated following the small proton event that began and ended between 20/0730 - 0800Z.
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to unsettled.
D. Stratwarm
STRATWARM ALERT EXISTS STRATWARM THURSDAY THE CIRCULATION IS STILL RELAXING AFTER THE MAJOR WARMING. THERE EXISTS A REVERSED TEMPERATURE GRADIENT FROM 50 HPA AT 60N AND ZONAL MEAN EASTERLY WINDS FROM 5 HPA TO 1 HPA.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 201  SSN 148  Afr/Ap 008/006   X-ray Background C1.4
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 1.3e+06   GT 10 MeV 4.8e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 2.40e+05 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 1 2 2 3 2 3 3 Planetary 1 1 2 1 2 2 3 3
F. Comments
  None

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