:Product: 0821RSGA.txt
:Issued: 2009 Aug 21 2200 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Weather Prediction Center and the U.S. Air Force.
#
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 233 Issued at 2200Z on 21 Aug 2009
IA.  Analysis of Solar Active Regions and Activity from  20/2100Z
to 21/2100Z:  Solar activity was very low. The disk is spotless, and
no flares were observed.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 20/2100Z to 21/2100Z:
The geomagnetic field was quiet to unsettled due to the waning
effects of a recurrent coronal hole high-speed stream.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet to unsettled for day 1 (August 22), and quiet 
for days two and three (August 23, 24).
III.  Event Probabilities 22 Aug-24 Aug
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           21 Aug 066
Predicted   22 Aug-24 Aug  068/068/068
90 Day Mean        21 Aug 067
V.  Geomagnetic A Indices
Observed Afr/Ap 20 Aug  008/011
Estimated Afr/Ap 21 Aug  005/005
Predicted Afr/Ap 22 Aug-24 Aug  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 22 Aug-24 Aug
A.  Middle Latitudes
Active                05/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                05/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01