:Product: 19980225RSGA.txt
:Issued: 1998 Feb 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 056 ISSUED AT 2200Z ON 25 FEB 1998
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  24/2100Z
TO 25/2100Z:  SOLAR ACTIVITY WAS VERY LOW. ISOLATED B-CLASS X-RAY
BURSTS OCCURRED WITH NO OPTICAL ASSOCIATIONS. MINOR GROWTH OCCURRED
IN REGION 8164 (N17W12). NEW REGION 8168 (N17W48) WAS NUMBERED.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW TO LOW. THERE IS A FAIR CHANCE FOR AN ISOLATED C-CLASS FLARE
FROM REGION 8164.
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 WITH A SMALL CHANCE FOR ACTIVE
PERIODS ON 28 FEBRUARY.
III.  EVENT PROBABILITIES 26 FEB-28 FEB
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           25 FEB 095
PREDICTED   26 FEB-28 FEB  094/092/090
90 DAY MEAN        25 FEB 096
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 24 FEB  002/003
ESTIMATED AFR/AP 25 FEB  002/003
PREDICTED AFR/AP 26 FEB-28 FEB  005/008-008/008-010/012
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 26 FEB-28 FEB
A.  MIDDLE LATITUDES
ACTIVE                10/15/20
MINOR STORM           01/01/01
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                10/20/25
MINOR STORM           05/10/15
MAJOR-SEVERE STORM    01/01/01