:Product: 19970227RSGA.txt
:Issued: 1997 Feb 27 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 058 ISSUED AT 2200Z ON 27 FEB 1997
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  26/2100Z
TO 27/2100Z:  SOLAR ACTIVITY REMAINED VERY LOW. THE DISK REMAINED
SPOTLESS.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE VERY
LOW FOR THE NEXT THREE DAYS.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 26/2100Z TO 27/2100Z:
THE GEOMAGNETIC FIELD WAS PREDOMINANTLY QUIET TO UNSETTLED.  AFTER
27/1400Z THE FIELD BECAME MOSTLY UNSETTLED WITH SOME ACTIVE LEVEL
CONDITIONS AT HIGH LATITUDES.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED TOMORROW AND QUIET ON THE SECOND
AND THIRD DAYS.
III.  EVENT PROBABILITIES 28 FEB-02 MAR
CLASS M    01/01/01
CLASS X    01/01/01
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           27 FEB 074
PREDICTED   28 FEB-02 MAR  074/074/074
90 DAY MEAN        27 FEB 075
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 26 FEB  016/013
ESTIMATED AFR/AP 27 FEB  012/008
PREDICTED AFR/AP 28 FEB-02 MAR  010/008-005/008-005/005
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 28 FEB-02 MAR
A.  MIDDLE LATITUDES
ACTIVE                20/10/10
MINOR STORM           10/05/05
MAJOR-SEVERE STORM    01/01/01
B.  HIGH LATITUDES
ACTIVE                25/15/15
MINOR STORM           15/05/05
MAJOR-SEVERE STORM    01/01/01