:Product: 19990818SGAS.txt
:Issued: 1999 Aug 18 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 230 ISSUED AT 0245Z ON 18 AUG 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 17 AUG
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
0453 0000 0459                                     II
0837 0837 0837                       150
0848 0848 0849                       150
1232 1323 1357  8668 N26E35 C2.6  SF 130    67
1428 1602 1754  8668 N24E37 C5.9  SF 530    39
1433 1435 1440  8662 S17W81       SF               II
1644 1738 1905                       820
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS AT
ACTIVE TO MINOR STORM LEVELS THROUGHOUT THE PERIOD. A HIGH SPEED
SOLAR WIND STREAM, REGISTERING BETWEEN 500 AND 700 KM/S, CONTINUES
TO BUFFET THE MAGNETOPAUSE. THE FLUX OF GREATER THAN 2 MEV ELECTRONS
AT GEOSYNCHRONOUS ORBIT REACHED HIGH LEVELS FROM APPROXIMATELY 1500
TO 1800Z.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 141  SSN 067  AFR/AP 030/027   X-RAY BACKGROUND B3.2
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 6.4E+05   GT 10 MEV 1.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 3.00E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 5 5 5 4 4 4 3 2 PLANETARY 5 4 5 4 4 4 3 3
F.  COMMENTS:  NONE