Viewing archive of Sunday, 23 February 2003

Geophysical report

Solar and Geophysical Activity Summary 2003 Feb 23 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 054 Issued at 0245Z on 23 Feb 2003 This report is compiled from data received at SWO on 22 Feb
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0155 0203 0207  0290 N11E02 C4.3  Sf 1300
0215 0215 0215                       2400
1634 1634 1634                       100
B. Proton Events
None
C. Geomagnetic Activity Summary
Quiet to active.
D. Stratwarm
STRATWARM ALERT / SATURDAY / STRATWARM EXISTS. THE WAVE TWO FORMATION IS STILL EVIDENT BUT WEAKENING. THERE IS A REVERSED TEMPERATURE GRADIENT BETWEEN 50 AND 10 HPA AS WELL AS AT 1 HPA. THE WINDS AT 60N HAVE RETURNED TO WESTERLY AT ALL LEVELS. THE TEMPERATURE GRADIENT IS FORECAST TO GRADUALLY RETURN TO NORMAL. END OF THIS ALERT PERIOD.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 107  SSN 053  Afr/Ap 010/011   X-ray Background B2.2
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 5.0e+05   GT 10 MeV 1.0e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 4.20e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 2 3 2 3 3 4 1 2 Planetary 2 3 2 3 3 4 2 1
F. Comments
  None

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