:Product: 19990221SGAS.txt
:Issued: 1999 Feb 21 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 052 ISSUED AT 0245Z ON 21 FEB 1999
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 20 FEB
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
0400 0406 0410  8458 S21W63 C8.2  SF 270           II/IV
0617 0617 0617                       560
0714 0714 0715                       2200
0951 0954 0956  8462 N18W60 C1.7  SF 440    13
1409 1412 1414  8462 N20W63 C2.1  SF 1700
1511 1519 1528  8458 S17W71 C4.2  SF 290    33     II
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET TO
UNSETTLED.
D.  STRATWARM:  STRATWARM ALERT/SATURDAY/STRATWARM EXISTS.
INTENSE LARGE WARM REGION EXISTS FROM ALEUTIAN AREA,
SIBERIA WITH SIBERIAN ARCTIC TO BLACK SEA. THE WARM AIR
OVER SIBERIA IS EXTENDING FURTHER NORTHWARDS.
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 157  SSN 118  AFR/AP 003/005   X-RAY BACKGROUND B7.9
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 1.8E+05   GT 10 MEV 1.4E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.70E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 0 0 0 2 3 2 0 PLANETARY 1 0 0 0 2 2 3 2
F.  COMMENTS:  NONE