:Product: 19991227SGAS.txt
:Issued: 1999 Dec 27 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 361 ISSUED AT 0245Z ON 27 DEC 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 26 DEC
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
0240 0240 0241                       770
0614 0614 0614                       150
0617 0618 0618                       190
0646 0646 0646                       100
1257 1257 1258                       150
1611 1611 1612                       430
1613 1617 1621  8806 N21W26 C1.7  SF 220
1655 1702 1709              C2.0     550
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET,
BECOMING SLIGHTLY DISTURBED AT THE END OF THE DAY.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 177  SSN 125  AFR/AP 001/002   X-RAY BACKGROUND B8.9
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 6.4E+04   GT 10 MEV 1.2E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 1.00E+05 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 0 0 0 0 1 0 1 PLANETARY 1 0 0 0 0 1 1 1
F.  COMMENTS:  A SHOCK WAS OBSERVED AT ACE AT 2126UT, A MINOR IMPULSE
WAS SEEN AT EARTH AROUND 2230UT.