:Product: 0927RSGA.txt
:Issued: 2009 Sep 27 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 270 Issued at 2200Z on 27 Sep 2009
IA.  Analysis of Solar Active Regions and Activity from  26/2100Z
to 27/2100Z:  Solar activity has been very low.  Region 1027 (N24W34)
is a single spot alpha group today.  No flares were observed during
the past 24 hours.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 26/2100Z to 27/2100Z:
The geomagnetic field was at quiet to unsettled levels.  An isolated
period of active conditions was observed at mid-latitudes at
27/1200Z.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be predominantly quiet for the next three days (28-30
September).
III.  Event Probabilities 28 Sep-30 Sep
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           27 Sep 072
Predicted   28 Sep-30 Sep  070/070/070
90 Day Mean        27 Sep 068
V.  Geomagnetic A Indices
Observed Afr/Ap 26 Sep  003/003
Estimated Afr/Ap 27 Sep  007/008
Predicted Afr/Ap 28 Sep-30 Sep  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 28 Sep-30 Sep
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