:Product: 19980408SGAS.txt
:Issued: 1998 Apr 08 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 098 ISSUED AT 0245Z ON 08 APR 1998
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 07 APR
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
1223 1224 1225                       150
1231 1231 1232                       370
1542 1542 1542                       110
1603 1604 1605                       150
1613 1613 1614                       330
2048 2059 2105              C1.2     110
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET
UNTIL A SUDDEN IMPULSE (SI) OCCURRED AT 1750Z. SINCE THEN THE
MID-LATITUDES HAVE BEEN UNSETTLED AND THE HIGH LATITUDES HAVE BEEN
AT ACTIVE TO MINOR STORM LEVELS.
D.  STRATWARM:  NONE
E.  DAILY INDICES:
10 CM 135  SSN 120  AFR/AP 005/008   X-RAY BACKGROUND B6.6
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 7.1E+05   GT 10 MEV 3.5E+04 P/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 6.70E+05 E/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 2 2 0 1 2 3 3 PLANETARY 2 2 2 1 2 3 3 3
F.  COMMENTS:  THE SI FOLLOWS A SHOCK SEEN AT ACE AT 1650Z.