:Product: 0918RSGA.txt
:Issued: 2009 Sep 18 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 261 Issued at 2200Z on 18 Sep 2009
IA.  Analysis of Solar Active Regions and Activity from  17/2100Z
to 18/2100Z:  Solar activity was very low. No flares were observed.
The visible disk remains spotless.
IB.  Solar Activity Forecast:  Solar activity is expected to remain
very low.
IIA.  Geophysical Activity Summary 17/2100Z to 18/2100Z:
The geomagnetic field was predominantly quiet with an isolated period
of unsettled conditions from 0000Z-03000Z.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to remain at quiet levels for the next three days (19-21
September).
III.  Event Probabilities 19 Sep-21 Sep
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green
IV.  Penticton 10.7 cm Flux
Observed           18 Sep 069
Predicted   19 Sep-21 Sep  070/070/070
90 Day Mean        18 Sep 068
V.  Geomagnetic A Indices
Observed Afr/Ap 17 Sep  006/008
Estimated Afr/Ap 18 Sep  005/005
Predicted Afr/Ap 19 Sep-21 Sep  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 19 Sep-21 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