:Product: 19990925RSGA.txt
:Issued: 1999 Sep 25 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 268 ISSUED AT 2200Z ON 25 SEP 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  24/2100Z
TO 25/2100Z:  SOLAR ACTIVITY WAS VERY LOW.  SLIGHT DECAY WAS OBSERVED
IN REGION 8708 (S11E18) SINCE YESTERDAY.  NO NEW REGIONS WERE
NUMBERED.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 24/2100Z TO 25/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED DURING THE PERIOD.
III.  EVENT PROBABILITIES 26 SEP-28 SEP
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           25 SEP 125
PREDICTED   26 SEP-28 SEP  120/120/115
90 DAY MEAN        25 SEP 161
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 24 SEP  004/006
ESTIMATED AFR/AP 25 SEP  005/005
PREDICTED AFR/AP 26 SEP-28 SEP  008/005-008/005-008/010
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 26 SEP-28 SEP
A.  MIDDLE LATITUDES
ACTIVE                10/10/15
MINOR STORM           05/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                15/15/15
MINOR STORM           10/10/10
MAJOR-SEVERE STORM    01/01/01