FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 331
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 26 NOV 1988
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 25/2100Z
TO 26/2100Z:  SOLAR ACTIVITY WAS LOW.  REGION 5254 (S18E55)
IS THE LARGEST REGION AND HAS SOME MAGNETIC COMPLEXITY.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE
LOW TO MODERATE.  REGION 5254 IS CAPABLE OF M-CLASS ACTIVITY.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 25/2100Z TO 26/2100Z:
THE GEOMAGNETIC FIELD WAS AT UNSETTLED TO ACTIVE LEVELS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED TO ACTIVE.
III.  EVENT PROBABILITIES 27 NOV-29 NOV
CLASS M    50/50/50
CLASS X    20/20/20
PROTON     20/20/20
PCAF       GREEN
IV.  OTTAWA 10.7 CM FLUX
OBSERVED           26 NOV  142
PREDICTED   27 NOV-29 NOV  144/146/148
90 DAY MEAN        26 NOV  162
V.  GEOMAGNETIC A INDICES
OBSERVED  AFR/AP 25 NOV  006/007
ESTIMATED AFR/AP 26 NOV  018/018
PREDICTED AFR/AP 27 NOV-29 NOV  010/010-010/008-015/015