:Product: 19981031RSGA.txt
:Issued: 1998 Oct 31 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
#
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY
SDF NUMBER 304 ISSUED AT 2200Z ON 31 OCT 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  30/2100Z
TO 31/2100Z:  SOLAR ACTIVITY WAS VERY LOW. REGION 8375 (N17E45) IS
THE DOMINANT FEATURE ON AN OTHERWISE DULL DISK. THE OTHER FOUR
SPOTTED REGIONS ARE SMALL AND SIMPLE. THE LIMBS WERE QUIET.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 30/2100Z TO 31/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET. ENERGETIC ELECTRONS AT
GEOSYNCHRONOUS ORBIT REMAINED AT HIGH LEVELS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III.  EVENT PROBABILITIES 01 NOV-03 NOV
CLASS M    05/05/05
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           31 OCT 119
PREDICTED   01 NOV-03 NOV  125/125/125
90 DAY MEAN        31 OCT 131
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 30 OCT  004/005
ESTIMATED AFR/AP 31 OCT  003/008
PREDICTED AFR/AP 01 NOV-03 NOV  005/008-005/008-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 01 NOV-03 NOV
A.  MIDDLE LATITUDES
ACTIVE                10/10/20
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/15/25
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01