Viewing archive of Tuesday, 21 September 1999

Geophysical report

Solar and Geophysical Activity Summary 1999 Sep 21 0245 UTC
Prepared by the NOAA © SWPC and processed by SpaceWeatherLive.com

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 264 Issued at 0245Z on 21 SEP 1999 This report is compiled from data received at SWO on 20 SEP
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 TO UNSETTLED. THE GREATER THAN 2 MEV ELECTRON FLUX WAS MODERATE TO HIGH.
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 145  SSN 078  AFR/AP 007/010   X-RAY BACKGROUND B8.0
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.0E+05   GT 10 MEV 1.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 1.20E+08 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 2 2 3 2 2 2 2 PLANETARY 2 2 2 3 3 2 3 3
F. Comments
  None


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