Viewing archive of Friday, 27 February 1998

Geophysical report

Solar and Geophysical Activity Summary 1998 Feb 27 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 058 Issued at 0245Z on 27 FEB 1998 This report is compiled from data received at SWO on 26 FEB
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
None
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET.
D. Stratwarm
STRATWARM ALERT/THURSDAY/STRATWARM EXISTS. MINOR WARMING OVER SIBERIA INTENSIFIES, WHILE THE WARMING OVER CANADA FURTHER WEAKENING. TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE IN THE LOWER AND MIDDLE STRATOSPHERE FROM AROUND 50 HPA TO 10 HPA. LAST GEOALERT OF THIS WARMING PERIOD.
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 093  SSN 069  AFR/AP 001/003   X-RAY BACKGROUND A8.0
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 4.9E+05   GT 10 MEV 1.7E+04 P/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.20E+07 E/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 0 0 0 0 1 0 0 PLANETARY 1 0 0 0 1 1 1 1
F. Comments
  None


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