:Product: 19980630RSGA.txt
:Issued: 1998 Jun 30 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 181 ISSUED AT 2200Z ON 30 JUN 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  29/2100Z
TO 30/2100Z:  SOLAR ACTIVITY WAS LOW. REGION 8256 (S24E04) PRODUCED A
C3/1F AT 2241Z. REGION 8253 (N17W29) PRODUCED THE LARGEST EVENT IN
THE LAST 24 HOURS, A C5/1F AT 0148Z. BOTH THESE REGIONS HAVE SHOWN
SLIGHT DECAY IN THE PAST 24 HOURS. REGION 8260'S (S22E44) MODERATE
GROWTH RATE SLOWED CONSIDERABLY TODAY. IT IS NOW A 16 SPOT E-TYPE
GROUP WITH MODERATE MAGNETIC COMPLEXITY. NEW REGIONS 8263 (S19E67)
AND 8264 (N18E74) WERE NUMBERED TODAY BRINGING THE TOTAL NUMBER OF
SUNSPOT REGIONS TO NINE.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO REMAIN
LOW. REGIONS 8253 AND 8260 HAVE POTENTIAL FOR C-CLASS ACTIVITY WITH
A SLIGHT CHANCE OF M-CLASS.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 29/2100Z TO 30/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BECOME QUIET TO UNSETTLED.
III.  EVENT PROBABILITIES 01 JUL-03 JUL
CLASS M    25/25/25
CLASS X    05/05/05
PROTON     05/05/05
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           30 JUN 121
PREDICTED   01 JUL-03 JUL  124/126/126
90 DAY MEAN        30 JUN 108
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 29 JUN  006/004
ESTIMATED AFR/AP 30 JUN  004/010
PREDICTED AFR/AP 01 JUL-03 JUL  010/012-010/012-010/012
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 01 JUL-03 JUL
A.  MIDDLE LATITUDES
ACTIVE                20/20/20
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                25/25/25
MINOR STORM           05/10/10
MAJOR-SEVERE STORM    01/01/01