:Product: 19980222SGAS.txt
:Issued: 1998 Feb 22 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 053 ISSUED AT 0245Z ON 22 FEB 1998
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 21 FEB
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 QUIET AT
ALL LATITUDES.
D.  STRATWARM:  STRATWARM ALERT/SATURDAY/STRATWARM EXISTS.
AN INTENSE WARMING COVERS SIBERIA, THE POLAR REGION, ALASKA AND NORTH
CANADA/NORTHWEST GREENLAND AT 10-HPA LEADING TO A TEMPERATURE
INCREASE OF MORE THAN 30 DGS C IN A WEEK OVER NORTHWEST GREENLAND AT
10-HPA.  THE COLDEST AIR DISPLACED TO SOUTH SCANDINAVIA.
TEMPERATURE GRADIENT REVERSED BETWEEN 60N AND THE POLE FROM 30-HPA
UPWARDS INTO THE UPPER STRATOSPHERE.
E.  DAILY INDICES:
10 CM 095  SSN 028  AFR/AP 002/004   X-RAY BACKGROUND A8.6
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 4.1E+05   GT 10 MEV 1.8E+04 P/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 4.10E+07 E/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 1 0 0 0 2 1 1 PLANETARY 2 0 0 1 1 2 2 1
F.  COMMENTS:  NONE.