:Product: 19981207SGAS.txt
:Issued: 1998 Dec 07 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 341 ISSUED AT 0245Z ON 07 DEC 1998
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 06 DEC
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
1600 1612 1635  8397 S16E68 C1.2  SF 210
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET TO
UNSETTLED.
D.  STRATWARM:  STRATWARM ALERT/SUNDAY/STRATWARM EXISTS.
AN INTENSE WARMING EXISTS OVER EAST ASIA,LEADING TO A TEMPERATURE
INCREASE OF MORE THAN 35 DEGREES CELSIUS DURING A WEEK NORTH OF THE
SEA OF OKHOTSK AT 10HPA. WARM AIR SPREADING NORTHEASTWARD.  AT THE
SAME TIME THERE IS A STRONG AND COLD VORTEX OVER THE
EUROPEAN/WESTSIBERIAN ARCTIC.
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 142  SSN 106  AFR/AP 010/007   X-RAY BACKGROUND B5.0
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.0E+05   GT 10 MEV 1.5E+04 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 1.00E+08 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 2 2 3 3 2 2 1 PLANETARY 1 2 2 3 3 2 2 2
F.  COMMENTS:  THE GREATER THAN 2 MEV ELECTRON FLUENCE WAS MODERATE.