FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 329
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 24 NOV 1988
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 23/2100Z
TO 24/2100Z:  SOLAR ACTIVITY WAS LOW.  NEW REGION 5254
(S16E77) PRODUCED THE LARGEST FLARE OF THE PAST 24 HOURS, A
C5/SF AT 24/1249Z.  THIS REGION APPEARS TO BE THE RETURN OF
OLD REGION 5212 WHICH PRODUCED M-LEVEL FLARE ACTIVITY DURING
ITS LAST ROTATION.  ALSO NUMBERED WAS REGION 5253 (N17E06).
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE
LOW TO MODERATE.  REGION 5254 MAY INCREASE ACTIVITY LEVELS.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 23/2100Z TO 24/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET FOR THE PAST 24 HOURS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED.
III.  EVENT PROBABILITIES 25 NOV-27 NOV
CLASS M    30/30/30
CLASS X    05/05/05
PROTON     05/05/05
PCAF       GREEN
IV.  OTTAWA 10.7 CM FLUX
OBSERVED           24 NOV  142
PREDICTED   25 NOV-27 NOV  140/140/142
90 DAY MEAN        24 NOV  162
V.  GEOMAGNETIC A INDICES
OBSERVED  AFR/AP 23 NOV  003/005
ESTIMATED AFR/AP 24 NOV  003/008
PREDICTED AFR/AP 25 NOV-27 NOV  015/015-010/012-010/008