:Product: 20000826RSGA.txt
:Issued: 2000 Aug 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 239 ISSUED AT 2200Z ON 26 AUG 2000
IA.  ANALYSIS OF SOLAR ACTIVE REGIONS AND ACTIVITY FROM  25/2100Z
TO 26/2100Z:  SOLAR ACTIVITY WAS LOW.  SEVERAL LOW C-CLASS EVENTS
OCCURRED DURING THE PERIOD. A FILAMENT DISAPPEARED BETWEEN
26/0101-1123Z NEAR N26W25.  THE SOHO/LASCO SPACECRAFT OBSERVED A CME
STARTING AROUND 26/1754Z IN THE NE QUADRANT WHICH APPEARS TO BE
ORIGINATING FROM THE BACKSIDE OF THE SUN
IB.  SOLAR ACTIVITY FORECAST:  SOLAR ACTIVITY IS EXPECTED TO BE LOW
FOR THE FORECAST PERIOD.  AN ISOLATED CHANCE OF AN M-CLASS EVENT IS
POSSIBLE FROM REGION 9144 (N25E02) AND REGION 9143 (S19E46).
IIA.  GEOPHYSICAL ACTIVITY SUMMARY 25/2100Z TO 26/2100Z:
THE GEOMAGNETIC FIELD WAS QUIET TO UNSETTLED THROUGH THE PERIOD.
IIB.  GEOPHYSICAL ACTIVITY FORECAST:  THE GEOMAGNETIC FIELD IS
EXPECTED TO BE QUIET TO UNSETTLED FOR THE NEXT THREE DAYS.
III.  EVENT PROBABILITIES 27 AUG-29 AUG
CLASS M    30/30/30
CLASS X    05/05/05
PROTON     01/01/01
PCAF       GREEN
IV.  PENTICTON 10.7 CM FLUX
OBSERVED           26 AUG 137
PREDICTED   27 AUG-29 AUG  140/145/150
90 DAY MEAN        26 AUG 181
V.  GEOMAGNETIC A INDICES
OBSERVED AFR/AP 25 AUG  003/007
ESTIMATED AFR/AP 26 AUG  006/008
PREDICTED AFR/AP 27 AUG-29 AUG  008/010-008/012-010/010
VI.  GEOMAGNETIC ACTIVITY PROBABILITIES 27 AUG-29 AUG
A.  MIDDLE LATITUDES
ACTIVE                20/20/25
MINOR STORM           10/10/15
MAJOR-SEVERE STORM    05/05/05
B.  HIGH LATITUDES
ACTIVE                25/25/25
MINOR STORM           15/15/15
MAJOR-SEVERE STORM    05/05/05