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Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
Updated 2008 Aug 28 2201 UTC

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 241 Issued at 2200Z on 28 Aug 2008

IA.  Analysis of Solar Active Regions and Activity from  27/2100Z
to 28/2100Z:  Solar activity was very low. The visible solar disk
remains spotless.

IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.

IIA.  Geophysical Activity Summary 27/2100Z to 28/2100Z:
The geomagnetic field was quiet.

IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet for the next three days (29-31 August).

III.  Event Probabilities 29 Aug-31 Aug
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green

IV.  Penticton 10.7 cm Flux
Observed           28 Aug 066
Predicted   29 Aug-31 Aug  067/067/067
90 Day Mean        28 Aug 066

V.  Geomagnetic A Indices
Observed Afr/Ap 27 Aug  002/003
Estimated Afr/Ap 28 Aug  004/005
Predicted Afr/Ap 29 Aug-31 Aug  005/005-005/005-005/005

VI.  Geomagnetic Activity Probabilities 29 Aug-31 Aug
A.  Middle Latitudes
Active                01/01/01
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                10/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01