:Product: 19980625RSGA.txt
:Issued: 1998 Jun 25 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 176 ISSUED AT 2200Z ON 25 JUN 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  24/2100Z
TO 25/2100Z:  SOLAR ACTIVITY WAS LOW. 3 NEW NUMBERED REGIONS WERE
ADDED: 8254 (N23W67), 8255 (S23E51), AND 8256 (S26E68). 8254 AND
8256 ARE SINGLE SPOT AXX GROUPS WHILE 8255 IS A 2 SPOT BXO GROUP.
THE MOST ACTIVE REGION IS 8253 (N18E39), WHICH IS A 7 SPOT DSC,
BETA-GAMMA GROUP. 8253 PRODUCED SEVERAL B-CLASS FLARES, 2 C-CLASS,
AND 2 OPTICAL SUB FLARES. THE REST OF THE DISK IS FAIRLY QUIET AND
STABLE.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW
TO MODERATE WITH CONTINUED C-CLASS AND POSSIBLE ISOLATED M-CLASS
FLARES FROM REGION 8253.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 24/2100Z TO 25/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN QUIET TO ACTIVE.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO CONTINUE TO BE QUIET TO ACTIVE.
III.  EVENT PROBABILITIES 26 JUN-28 JUN
CLASS M    10/10/10
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           25 JUN 106
PREDICTED   26 JUN-28 JUN  110/112/115
90 DAY MEAN        25 JUN 107
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 24 JUN  013/014
ESTIMATED AFR/AP 25 JUN  010/011
PREDICTED AFR/AP 26 JUN-28 JUN  010/015-005/008-005/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 26 JUN-28 JUN
A.  MIDDLE LATITUDES
ACTIVE                15/15/15
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