:Product: 20000913SGAS.txt
:Issued: 2000 Sep 13 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 257 ISSUED AT 0245Z ON 13 SEP 2000
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 12 SEP
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
1131 1213 1313       S17W09 M1.0  2N 45     40     II
1207 0000 1213                                     II
B.  PROTON EVENTS:  A GREATER THAN 10 MEV PROTON EVENT AT
GEOSYNCHRONOUS ORBIT BEGAN AT 12/1555Z, REACHED A PEAK OF 197 PFU AT
12/2315Z, AND WAS SLOWLY DECREASING AT THE END OF THE PERIOD. THE
GREATER THAN 100 MEV PROTON FLUX BECAME ENHANCED BEGINNING AT
APPROXIMATELY 12/1430Z, BUT DID NOT REACH EVENT THRESHOLD.
C.  GEOMAGNETIC ACTIVITY SUMMARY:  ACTIVITY WAS AT QUIET TO ACTIVE
LEVELS WITH PERIODS OF MINOR STORMING DETECTED AT HIGH LATITUDES
DURING 12/0900-1500Z.
D.  STRATWARM:  NONE
E.  DAILY INDICES: (REAL-TIME PRELIMINARY/ESTIMATED VALUES)
10 CM 133  SSN 038  AFR/AP 016/020   X-RAY BACKGROUND B5.1
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.0E+07   GT 10 MEV 2.5E+06 P/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 5.50E+06 E/(CM2-STER-DAY)
(GOES-8 SATELLITE SYNCHRONOUS ORBIT W75 DEGREES)
3 HOUR K-INDICES:
BOULDER 2 3 3 4 4 2 3 3 PLANETARY 2 3 2 5 5 3 4 4
F.  COMMENTS:  A FILAMENT DISAPPEARANCE AND FULL-HALO CME WERE
ASSOCIATED WITH THE M1.0/2N FLARE.