:Product: 19970120RSGA.txt
:Issued: 1997 Jan 20 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 020 ISSUED AT 2200Z ON 20 JAN 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  19/2100Z
TO 20/2100Z:  SOLAR ACTIVITY WAS VERY LOW. A B4/SF FLARE WAS DETECTED
IN REGION 8011 (S06W43). THIS REGION IS NOW SPOTLESS AND RELATIVELY
STABLE, AS IS THE REMAINDER OF THE VISIBLE DISK.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO REMAIN
VERY LOW THROUGHOUT THE FORECAST PERIOD.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 19/2100Z TO 20/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED FOR THE PAST 24 HOURS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET FOR THE ENTIRE FORECAST PERIOD.
III.  EVENT PROBABILITIES 21 JAN-23 JAN
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           20 JAN 077
PREDICTED   21 JAN-23 JAN  076/076/076
90 DAY MEAN        20 JAN 077
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 19 JAN  006/004
ESTIMATED AFR/AP 20 JAN  005/004
PREDICTED AFR/AP 21 JAN-23 JAN  005/005-005/005-005/005
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 21 JAN-23 JAN
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