:Product: 19970423RSGA.txt
:Issued: 1997 Apr 23 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 113 ISSUED AT 2200Z ON 23 APR 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  22/2100Z
TO 23/2100Z:  SOLAR ACTIVITY WAS VERY LOW. REGION 8035 (N18E51) IS
THE ONLY SPOTTED REGION ON THE DISK.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 22/2100Z TO 23/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE UNSETTLED THROUGHOUT THE PERIOD.
III.  EVENT PROBABILITIES 24 APR-26 APR
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           23 APR 069
PREDICTED   24 APR-26 APR  069/070/070
90 DAY MEAN        23 APR 074
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 22 APR  017/018
ESTIMATED AFR/AP 23 APR  009/008
PREDICTED AFR/AP 24 APR-26 APR  010/008-010/008-010/008
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 24 APR-26 APR
A.  MIDDLE LATITUDES
ACTIVE                20/20/20
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                25/25/25
MINOR STORM           10/10/10
MAJOR-SEVERE STORM    01/01/01