:Product: 0423RSGA.txt
:Issued: 2009 Apr 23 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 113 Issued at 2200Z on 23 Apr 2009
IA.  Analysis of Solar Active Regions and Activity from  22/2100Z
to 23/2100Z:  Solar activity was very low. No flares were observed.
The visible disk was spotless. A prominence disappeared from the
northeast limb near N33 during the period. There was a CME
associated with the disappearance, but it was not Earth-directed.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low.
IIA.  Geophysical Activity Summary 22/2100Z to 23/2100Z:
Geomagnetic field activity was at quiet levels.
IIB.  Geophysical Activity Forecast:  Geomagnetic field activity is
expected to be at quiet levels during the period (24 - 26 April).
III.  Event Probabilities 24 Apr-26 Apr
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           23 Apr 071
Predicted   24 Apr-26 Apr  070/070/070
90 Day Mean        23 Apr 070
V.  Geomagnetic A Indices
Observed Afr/Ap 22 Apr  002/004
Estimated Afr/Ap 23 Apr  002/005
Predicted Afr/Ap 24 Apr-26 Apr  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 24 Apr-26 Apr
A.  Middle Latitudes
Active                05/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                10/10/05
Minor storm           01/01/01
Major-severe storm    01/01/01