:Product: 19970620RSGA.txt
:Issued: 1997 Jun 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 171 ISSUED AT 2200Z ON 20 JUN 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  19/2100Z
TO 20/2100Z:  SOLAR ACTIVITY WAS VERY LOW. NEW REGION 8054 (N07W72),
A SINGLE SPOT 'AXX' GROUP, WAS NUMBERED TODAY. REGION 8053 (S27E06)
CONTINUES TO DECAY SLOWLY AND IS CURRENTLY A 2 SPOT 'AXX' GROUP.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 19/2100Z TO 20/2100Z:
THE GEOMAGNETIC FIELD HAS BEEN QUIET AT ALL LATITUDES FOR THE PAST 24
HOURS, EXCEPT FOR A SINGLE PERIOD OF UNSETTLED CONDITIONS RECORDED
AT FREDERICKSBURG DURING THE INTERVAL 19/2100-2400Z.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE MOSTLY QUIET FOR THE NEXT TWO DAYS, WITH ACTIVITY
INCREASING TO QUIET TO UNSETTLED ON DAY THREE.
III.  EVENT PROBABILITIES 21 JUN-23 JUN
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           20 JUN 070
PREDICTED   21 JUN-23 JUN  071/071/071
90 DAY MEAN        20 JUN 074
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 19 JUN  011/010
ESTIMATED AFR/AP 20 JUN  007/005
PREDICTED AFR/AP 21 JUN-23 JUN  008/005-008/005-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 21 JUN-23 JUN
A.  MIDDLE LATITUDES
ACTIVE                15/15/20
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