:Product: 20000126RSGA.txt
:Issued: 2000 Jan 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 026 ISSUED AT 2200Z ON 26 JAN 2000
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  25/2100Z
TO 26/2100Z:  SOLAR ACTIVITY WAS LOW. THREE LOW-LEVEL C-CLASS EVENTS
OCCURRED DURING THE PERIOD. ONE WAS A LONG DURATION C1 AT 26/1157Z
THAT WAS NOT OPTICALLY CORRELATED.
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW
FOR THE FORECAST PERIOD.
IIA.  GEOPHYSICAL ACTIVITY SUMMARY FROM 25/2100Z TO 26/2100Z:
THE GEOMAGNETIC FIELD WAS AT QUIET TO ACTIVE LEVELS DURING THE LAST
24 HOURS.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE AT QUIET TO UNSETTLED CONDITIONS THE FIRST DAY OF THE
FORECAST. ACTIVE CONDITIONS ARE EXPECTED FOR THE REMAINDER OF THE
PERIOD AS A RESULT OF A DISTURBANCE FROM A RECURRENT CORONAL HOLE.
III.  EVENT PROBABILITIES 27 JAN-29 JAN
CLASS M    20/20/20
CLASS X    05/05/05
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           26 JAN 141
PREDICTED   27 JAN-29 JAN  135/135/130
90 DAY MEAN        26 JAN 175
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 25 JAN  004/007
ESTIMATED AFR/AP 26 JAN  008/010
PREDICTED AFR/AP 27 JAN-29 JAN  015/018-020/025-020/025
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 27 JAN-29 JAN
A.  MIDDLE LATITUDES
ACTIVE                40/50/50
MINOR STORM           15/20/20
MAJOR-SEVERE STORM    01/05/05
B.  HIGH LATITUDES
ACTIVE                50/60/60
MINOR STORM           20/25/25
MAJOR-SEVERE STORM    05/10/10