:Product: 19980502SGAS.txt
:Issued: 1998 May 02 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 122 ISSUED AT 0245Z ON 02 MAY 1998
THIS REPORT IS COMPILED FROM DATA RECEIVED AT SWO ON 01 MAY
A.  ENERGETIC EVENTS
BEGIN  MAX  END  RGN   LOC   XRAY  OP 245MHZ 10CM   SWEEP
0000 0000 1722  8210                                  IV
0130 0130 0131                       140
0325 0330 0330                       1700
0332 0333 0333                       310
0340 0340 0345                       100
0618 0620 0621                       120
1222 1222 1222                       310
1239 1242 1244                       980
1254 1300 1304  8214 N25E40 M1.1  1N
1441 1453 1500  8210 S21W03 C1.7  SF 230
1730 1730 1730                       200
1731 1757 1817  8214 N26E38 C2.1  SF 470
2008 2030 2035  8210 N26E37 C2.8  SF 100
2100 2102 2104                       170
2236 2254 2308  8214 N25E35 M1.2  SF 700    56
B.  PROTON EVENTS:  NONE
C.  GEOMAGNETIC ACTIVITY SUMMARY:  THE GEOMAGNETIC FIELD WAS QUIET
UNTIL 01/2158UT WHEN A SUDDEN IMPULSE OF 36NT AT BOULDER WAS
OBSERVED.  THIS SUDDEN IMPULSE IS BELIEVED TO BE ASSOCIATED WITH THE
M6 FLARE AND CME OBSERVED ON 29 APR.  THE FIELD HAS BEEN AT ACTIVE
LEVELS SINCE THE SUDDEN IMPULSE.  ENERGETIC ELECTRON FLUXES AT
GEOSYNCHRONOUS ORBITS WAS LOW TO NORMAL.
D.  STRATWARM:  NONE
E.  DAILY INDICES:
10 CM 113  SSN 089  AFR/AP 008/008   X-RAY BACKGROUND B2.4
DAILY PROTON FLUENCE (FLUX ACCUMULATION OVER 24 HRS)
GT 1 MEV 2.0E+07   GT 10 MEV 9.2E+04 P/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
DAILY ELECTRON FLUENCE
GT 2 MEV 7.60E+06 E/(CM2-STER-DAY)
GOES-9 SATELLITE SYNCHRONOUS ORBIT W135 DEGREES)
3 HOUR K-INDICES:
BOULDER 1 2 2 2 2 1 1 4 PLANETARY 2 2 2 1 2 2 1 4
F.  COMMENTS:  NONE