:Product: 19970825RSGA.txt
:Issued: 1997 Aug 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 237 ISSUED AT 2200Z ON 25 AUG 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  24/2100Z
TO 25/2100Z:  SOLAR ACTIVITY WAS LOW. NEW REGION 8076 (N29E63), A
GROWING CRO SPOT GROUP, PRODUCED TWO SMALL C-CLASS FLARES. THIS IS
THE RETURN OF REGION 8069. NEW REGION 8077 (S23E59), A SMALL BXO
GROUP, WAS ALSO NUMBERED TODAY. THE REMAINDER OF THE VISBLE DISK WAS
QUIET.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO REMAIN
LOW. REGION 8076 HAS A GOOD CHANCE OF PRODUCING MORE C-CLASS FLARES
AND HAS AN OUTSIDE CHANCE OF AN ISOLATED M-CLASS FLARE AS WELL.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 24/2100Z TO 25/2100Z:
THE GEOMAGNETIC FIELD WAS MOSTLY QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE ENTIRE FORECAST PERIOD.
III.  EVENT PROBABILITIES 26 AUG-28 AUG
CLASS M    05/05/05
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           25 AUG 082
PREDICTED   26 AUG-28 AUG  084/086/086
90 DAY MEAN        25 AUG 073
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 24 AUG  008/006
ESTIMATED AFR/AP 25 AUG  005/005
PREDICTED AFR/AP 26 AUG-28 AUG  005/008-010/012-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 26 AUG-28 AUG
A.  MIDDLE LATITUDES
ACTIVE                10/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                10/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01