Viewing archive of Wednesday, 28 April 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Apr 28 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 118 Issued at 0245Z on 28 APR 1999 This report is compiled from data received at SWO on 27 APR
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
1857 1857 1857                       130
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD RANGED FROM QUIET TO ACTIVE LEVELS WITH ISOLATED MINOR TO MAJOR STORM PERIODS DETECTED AT SOME HIGH LATITUDE STATIONS.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 109  SSN 082  AFR/AP 010/014   X-RAY BACKGROUND B1.8
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.4E+05   GT 10 MEV 2.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 8.50E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 1 3 3 3 3 3 3 PLANETARY 2 1 3 3 3 3 3 4
F. Comments
  None


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