:Product: 19990501SGAS.txt
:Issued: 1999 May 01 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 121 ISSUED AT 0245Z ON 01 MAY 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 30 APR
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
GENERALLY ACTIVE. A HIGH SPEED SOLAR WIND STREAM, AT TIMES REACHING
MORE THAN 650 KM/S AT THE ACE SPACECRAFT, DROVE THE FIELD TO
EPISODES OF MINOR STORM ACTIVITY DURING THE PERIOD. THE GREATER THAN
2 MEV ELECTRON FLUX AT GEOSYNCHRONOUS ORBIT ATTAINED HIGH LEVELS
FROM ABOUT 1300 TO 2100Z.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 124  SSN 080  AFR/AP 018/021   X-RAY BACKGROUND B4.4
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 5.5E+05   GT 10 MEV 1.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 6.00E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 4 4 4 2 3 3 3 3 PLANETARY 4 4 5 4 2 3 3 3
F.  COMMENTS:  NONE