:Product: 0928RSGA.txt
:Issued: 2008 Sep 28 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 272 Issued at 2200Z on 28 Sep 2008
IA.  Analysis of Solar Active Regions and Activity from  27/2100Z
to 28/2100Z:  Solar activity was at very low levels.  The visible
solar disk was spotless.
IB.  Solar Activity Forecast:  Solar activity is expected to remain
at very low levels.
IIA.  Geophysical Activity Summary 27/2100Z to 28/2100Z:
The geomagnetic field was at quiet levels.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be at quiet to unsettled levels for days one and two of
the forecast period (29 and 30 September), there is a slight chance
for and isolated active period at high latitudes.  On day three (01
October) activity is expected to increase to unsettled to active
conditions with a chance for minor storm periods at middle latitudes
and major storm levels at high latitudes due to a recurrent coronal
hole high speed stream.
III.  Event Probabilities 29 Sep-01 Oct
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           28 Sep 067
Predicted   29 Sep-01 Oct  066/066/066
90 Day Mean        28 Sep 066
V.  Geomagnetic A Indices
Observed Afr/Ap 27 Sep  001/002
Estimated Afr/Ap 28 Sep  003/005
Predicted Afr/Ap 29 Sep-01 Oct  008/008-008/010-020/025
VI.  Geomagnetic Activity Probabilities 29 Sep-01 Oct
A.  Middle Latitudes
Active                10/10/30
Minor storm           05/05/25
Major-severe storm    01/01/10
B.  High Latitudes
Active                15/20/40
Minor storm           10/15/30
Major-severe storm    01/05/15