:Product: 19981021SGAS.txt
:Issued: 1998 Oct 21 0245 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
#
JOINT USAF/NOAA SOLAR AND GEOPHYSICAL ACTIVITY SUMMARY
SGAS NUMBER 294 ISSUED AT 0245Z ON 21 OCT 1998
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
2322 0000 2323                                     II
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET TO
ACTIVE. ACTIVE CONDITIONS OCCURRED AT ALL LATITUDES AFTER 20/1800Z
WITH BRIEF MINOR TO MAJOR STORM PERIODS DETECTED AT HIGH LATITUDES.
IT APPEARED THE FIELD WAS AFFECTED BY A HIGH-SPEED CORONAL HOLE WIND
STREAM.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 121  SSN 104  AFR/AP 013/017   X-RAY BACKGROUND B6.7
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 9.2E+05   GT 10 MEV 3.9E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 1.50E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 3 2 3 2 2 4 3 PLANETARY 3 3 3 3 2 3 4 4
F.  COMMENTS:  THE TYPE II SWEEP WAS OF WEAK INTENSITY WITH AN IPS
ESTIMATED SHOCK VELOCITY OF 1100 KM/SEC.