:Product: 19980628RSGA.txt
:Issued: 1998 Jun 28 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 179 ISSUED AT 2200Z ON 28 JUN 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  27/2100Z
TO 28/2100Z:  SOLAR ACTIVITY WAS LOW. OCCASIONAL C-CLASS EVENTS
OCCURRED AS REGION 8253 (N18W01) REMAINED THE MOST DOMINANT OF THE 8
SPOT GROUPS VISIBLE. 8253 SHOWS A MODEST DEGREE OF MAGNETIC
COMPLEXITY AND BRIGHT PLAGE. ONE NEW REGION WAS ASSIGNED, 8261
(N32E16).
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO PERSIST
AT THE LOW LEVEL.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 27/2100Z TO 28/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED THROUGHOUT THE PERIOD.
III.  EVENT PROBABILITIES 29 JUN-01 JUL
CLASS M    30/30/30
CLASS X    05/05/05
PROTON     05/05/05
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           28 JUN 122
PREDICTED   29 JUN-01 JUL  125/125/130
90 DAY MEAN        28 JUN 108
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 27 JUN  005/005
ESTIMATED AFR/AP 28 JUN  005/005
PREDICTED AFR/AP 29 JUN-01 JUL  005/008-005/010-005/012
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 29 JUN-01 JUL
A.  MIDDLE LATITUDES
ACTIVE                10/10/10
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                20/20/20
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01