Viewing archive of Saturday, 22 February 2003

Geophysical report

Solar and Geophysical Activity Summary 2003 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 2003 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
1508 1514 1518  0290 N15E07 C3.7  Sf 150
1946 1950 1954  0290        C4.3     190    70
B. Proton Events
None
C. Geomagnetic Activity Summary
The geomagnetic field was quiet to active. The disturbed periods are due to a declining high speed solar wind stream. This high speed stream began the period near 700 km/s, but declined slowly throughout the day to 550 km/s by the end of the period.
D. Stratwarm
STRATWARM ALERT / FRIDAY / STRATWARM EXISTS. THE WAVE TWO FORMATION IS STILL EVIDENT. THERE IS A REVERSED TEMPERATURE GRADIENT THROUGHOUT THE STRATOSPHERE AND EASTERLY WINDS AT 1 HPA AT 60N.
E. Daily Indices: (real-time preliminary/estimated values)
10 cm 120  SSN 087  Afr/Ap 013/013   X-ray Background B4.5
Daily Proton Fluence (flux accumulation over 24 hrs)
GT 1 MeV 3.7e+05   GT 10 MeV 1.0e+04 p/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
Daily Electron Fluence
GT 2 MeV 1.80e+07 e/(cm2-ster-day)
(GOES-8 satellite synchronous orbit W75 degrees)
3 Hour K-indices
Boulder 1 4 3 2 2 4 3 2 Planetary 2 3 3 2 2 4 4 3
F. Comments
  None

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