:Product: 19970822RSGA.txt
:Issued: 1997 Aug 22 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 234 ISSUED AT 2200Z ON 22 AUG 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  21/2100Z
TO 22/2100Z:  SOLAR ACTIVITY WAS VERY LOW. REGION 8073 (N14W71), A
SINGLE SPOT 'HSX' ALPHA GROUP, REMAINS STABLE AS THE ONLY ACTIVE
REGION ON THE VISIBLE DISK.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 21/2100Z TO 22/2100Z:
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 QUIET FOR THE NEXT THREE DAYS, WITH THE
CONTINUED CHANCE FOR ISOLATED PERIODS OF UNSETTLED CONDITIONS.
III.  EVENT PROBABILITIES 23 AUG-25 AUG
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           22 AUG 076
PREDICTED   23 AUG-25 AUG  074/074/074
90 DAY MEAN        22 AUG 073
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 21 AUG  009/009
ESTIMATED AFR/AP 22 AUG  008/007
PREDICTED AFR/AP 23 AUG-25 AUG  005/005-005/005-005/005
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 23 AUG-25 AUG
A.  MIDDLE LATITUDES
ACTIVE                15/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/15/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01