:Product: 19980825SGAS.txt
:Issued: 1998 Aug 25 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 237 ISSUED AT 0245Z ON 25 AUG 1998
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 24 AUG
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
2150 2212 2235  8307        X1.0     830    2100   II/IV
B.  PROTON EVENTS:  GREATER THAN 10 MEV AND GREATER THAN 100 MEV
PROTON EVENTS BEGAN TODAY IN CONJUNCTION WITH AN X1/3B FLARE AT
24/2212UT FROM REGION 8307 (N31E09).  THE GT 100 MEV FLUX APPEARS TO
HAVE PEAKED AT 4 PFU 25/0115UT.  THE GT 10 MEV FLUX HAS PASSED 60
PFU AND CONTINUES TO RISE.
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET TO
UNSETTLED. SOME HIGH LATITUDE SITES EXPERIENCED BRIEF ACTIVE
PERIODS.  ACTIVITY IS EXPECTED TO BE UNSETTLED TO MINOR STORM OVER
THE NEXT SEVERAL DAYS.
D.  STRATWARM:  NONE.
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 121  SSN 099  AFR/AP 008/011   X-RAY BACKGROUND B4.1
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 5.7E+06   GT 10 MEV 1.5E+05 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 2.60E+07 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 2 3 2 2 2 2 2 PLANETARY 1 3 3 2 3 3 2 3
F.  COMMENTS:  NONE