FROM SPACE ENVIRONMENT SERVICES CENTER, BOULDER, COLORADO
SDF NUMBER 339
JOINT USAF/NOAA REPORT OF SOLAR AND GEOPHYSICAL ACTIVITY.
ISSUED 2200Z 04 DEC 1988
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM 03/2100Z
TO 04/2100Z:  SOLAR ACTIVITY WAS LOW. NEWLY ASSIGNED REGIONS IN
THE FAR EASTSOUTHEAST PRODUCED SMALL C-CLASS FLARES AND FREQUENT
SURGING.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE
LOW. RETURNING REGION 5229 (N33, L-359) SHOULD BE BACK ONTO THE
DISK WITHIN TWO DAYS. INCREASING MAJOR FLARE CHANCES ACCOMPANY
ITS RETURN.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 03/2100Z TO 04/2100Z:
THE GEOMAGNETIC FIELD WAS UNSETTLED.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED.
III.  EVENT PROBABILITIES 05 DEC-07 DEC
CLASS M    20/25/30
CLASS X    03/04/05
PROTON     06/08/10
PCAF       GREEN
IV.  OTTAWA 10.7 CM FLUX
OBSERVED           04 DEC  146
PREDICTED   05 DEC-07 DEC  147/149/152
90 DAY MEAN        04 DEC  159
V.  GEOMAGNETIC A INDICES
OBSERVED  AFR/AP 03 DEC  019/018
ESTIMATED AFR/AP 04 DEC  012/015
PREDICTED AFR/AP 05 DEC-07 DEC  010/015-010/012-010/010