:Product: 19990518SGAS.txt
:Issued: 1999 May 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 138 ISSUED AT 0245Z ON 18 MAY 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 17 MAY
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
0404 0407 0410              C1.2     990
0449 0455 0500              M2.3     70     69
0951 0952 0953                       200    14
1137 1137 1138                       200
1227 1227 1229                       120
1318 1319 1320  8541        C1.6     420
1451 1451 1452                       160
1603 1605 1606                       160
1649 1650 1650                       740
1657 1657 1657                       440
1829 1830 1832                       100
2001 2016 2021  8541 N22W54 C1.6  SF 320    84
2126 2127 2127                       120
2150 2202 2212              M1.0
B.  PROTON EVENTS:  NONE.
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET.
D.  STRATWARM:  NONE.
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 145  SSN 148  AFR/AP 002/005   X-RAY BACKGROUND B7.7
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 1.1E+05   GT 10 MEV 1.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 3.70E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 0 0 0 2 1 1 2 1 PLANETARY 1 1 0 2 1 2 2 2
F.  COMMENTS:  NONE.