:Product: 19980129RSGA.txt
:Issued: 1998 Jan 29 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 029 ISSUED AT 2200Z ON 29 JAN 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  28/2100Z
TO 29/2100Z:  SOLAR ACTIVITY WAS LOW. REGION 8143 (S36W17), CURRENTLY
A 10-SPOT 'FSO' BETA-GAMMA GROUP, GENERATED A SINGLE C1/SF EVENT AT
29/0150Z.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW,
WITH ISOLATED C-CLASS ACTIVITY PROBABLE FROM REGION 8143.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 28/2100Z TO 29/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO UNSETTLED FOR THE PAST 24
HOURS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY UNSETTLED, WITH ISOLATED PERIODS OF ACTIVE
CONDITIONS, FOR THE NEXT 24-36 HOURS. A DECREASE TO MOSTLY QUIET
CONDITIONS IS EXPECTED DURING THE REMAINDER OF THE REPORTING PERIOD.
III.  EVENT PROBABILITIES 30 JAN-01 FEB
CLASS M    05/05/05
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           29 JAN 094
PREDICTED   30 JAN-01 FEB  094/093/091
90 DAY MEAN        29 JAN 097
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 28 JAN  002/002
ESTIMATED AFR/AP 29 JAN  009/010
PREDICTED AFR/AP 30 JAN-01 FEB  015/015-010/010-005/005
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 30 JAN-01 FEB
A.  MIDDLE LATITUDES
ACTIVE                50/20/15
MINOR STORM           15/05/05
MAJOR-SEVERE STORM    05/01/00
B.  HIGH LATITUDES
ACTIVE                50/25/15
MINOR STORM           15/10/03
MAJOR-SEVERE STORM    05/01/01