:Product: 19980111SGAS.txt
:Issued: 1998 Jan 11 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 011 ISSUED AT 0245Z ON 11 JAN 1998
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 10 JAN
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 MOSTLY
QUIET WITH ISOLATED UNSETTLED PERIODS OBSERVED AT MIDDLE AND HIGH
LATITUDES.
D.  STRATWARM:  STRATWARM ALERT/SATURDAY/STRATWARM EXISTS.
STRATOSPHERIC WARMING OVER ASIA CONTINUES
AND THE COLD VORTEX IS DISPLACED TOWARDS
CANADA. TEMPERATURE GRADIENT REVERSED
BETWEEN 60N AND THE POLE AT 30 AND 10 HPA
AND FURTHER DECREASING ZONAL MEAN ZONAL
WIND AT 60N. DEVELOPMENT INTO MAJOR
WARMING POSSIBLE.
E.  DAILY INDICES:
10 CM 081  SSN 014  AFR/AP 006/006   X-RAY BACKGROUND A1.8
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 1.6E+06   GT 10 MEV 1.7E+04 P/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 4.90E+07 E/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 1 1 1 3 2 1 1 PLANETARY 1 2 2 2 3 2 2 1
F.  COMMENTS:  THE GREATER THAN 2 MEV ELECTRON FLUX REACHED HIGH
LEVELS AT 10/1623UT.