:Product: 19990226RSGA.txt
:Issued: 1999 Feb 26 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 057 ISSUED AT 2200Z ON 26 FEB 1999
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  25/2100Z
TO 26/2100Z:  SOLAR ACTIVITY WAS LOW.  REGION 8471 (N28E15) PRODUCED
TWO C1/SF EVENTS AT 26/1909 AND 2021Z.  ONE NEW REGION, 8473 AT
N18E10, WAS NUMBERED AND IS CURRENTLY A BXO-BETA SPOT GROUP.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 25/2100Z TO 26/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED.
III.  EVENT PROBABILITIES 27 FEB-01 MAR
CLASS M    10/10/10
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           26 FEB 116
PREDICTED   27 FEB-01 MAR  112/108/110
90 DAY MEAN        26 FEB 145
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 25 FEB  005/007
ESTIMATED AFR/AP 26 FEB  005/008
PREDICTED AFR/AP 27 FEB-01 MAR  008/008-008/008-010/010
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 27 FEB-01 MAR
A.  MIDDLE LATITUDES
ACTIVE                15/15/15
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