Viewing archive of Thursday, 21 October 1999

Geophysical report

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

Joint USAF/NOAA Solar and Geophysical Activity Summary

SGAS Number 294 Issued at 0245Z on 21 OCT 1999 This report is compiled from data received at SWO on 20 OCT
A. Energetic Events
Begin  Max  End  Rgn   Loc   Xray  Op 245MHz 10cm   Sweep
0553 0622 0643  8731 N10W48 M1.7  1F        44     II
1410 1410 1411                       150
B. Proton Events
None
C. Geomagnetic Activity Summary
THE GEOMAGNETIC FIELD WAS QUIET
D. Stratwarm
None
E. Daily Indices: (real-time preliminary/estimated values)
10 CM 159  SSN 193  AFR/AP 006/004   X-RAY BACKGROUND B8.4
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 5.6E+05   GT 10 MEV 1.3E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.30E+08 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 0 2 1 1 2 2 1 1 PLANETARY 0 1 1 1 2 2 2 1
F. Comments
  THE GREATER THAN 2 MEV ELECTRON FLUXES ATTAINED HIGH
VALUES. THE 24 FLUENCE WAS MODERATE.


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