:Product: 19970718RSGA.txt
:Issued: 1997 Jul 18 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 199 ISSUED AT 2200Z ON 18 JUL 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  17/2100Z
TO 18/2100Z:  SOLAR ACTIVITY WAS VERY LOW. REGION 8062 (N23E52) IS
ALL BUT EMPTY. THE REMAINDER OF THE VISIBLE DISK WAS QUIET AND
STABLE.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO REMAIN
VERY LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 17/2100Z TO 18/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET WITH ISOLATED PERIODS OF UNSETTLED FOR
THE ENTIRE FORECAST PERIOD.
III.  EVENT PROBABILITIES 19 JUL-21 JUL
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           18 JUL 070
PREDICTED   19 JUL-21 JUL  070/072/072
90 DAY MEAN        18 JUL 072
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 17 JUL  011/008
ESTIMATED AFR/AP 18 JUL  008/011
PREDICTED AFR/AP 19 JUL-21 JUL  005/008-005/008-005/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 19 JUL-21 JUL
A.  MIDDLE LATITUDES
ACTIVE                10/10/10
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                10/10/10
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01