FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 328
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 23 NOV 1988
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 22/2100Z
TO 23/2100Z:  SOLAR ACTIVITY WAS LOW.  ONLY A FEW LOW LEVEL
C-CLASS X-RAY FLARES WERE OBSERVED DURING THE PAST 24 HOURS.
NEW REGION 5252 (S28E03) WAS NUMBERED TODAY.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE
LOW. THERE IS A SLIGHT CHANCE OF AN ISOLATED M-CLASS FLARE
FROM REGION 5240 (N21W61) BEFORE IT CROSSES THE WEST LIMB.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 22/2100Z TO 23/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN AT QUIET LEVELS FOR
THE PAST 24 HOURS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO MOSTLY UNSETTLED.
III.  EVENT PROBABILITIES 24 NOV-26 NOV
CLASS M    20/20/20
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  OTTAWA 10.7 CM FLUX
OBSERVED           23 NOV  139
PREDICTED   24 NOV-26 NOV  135/130/125
90 DAY MEAN        23 NOV  162
V.  GEOMAGNETIC A INDICES
OBSERVED  AFR/AP 22 NOV  004/006
ESTIMATED AFR/AP 23 NOV  005/006
PREDICTED AFR/AP 24 NOV-26 NOV  005/008-015/015-010/012