:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Apr 28 2201 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 118 Issued at 2200Z on 28 Apr 2009
IA.  Analysis of Solar Active Regions and Activity from  27/2100Z
to 28/2100Z:  Solar activity was very low. No flares were detected.
The visible disk remained 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 at quiet levels.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be at quiet levels through the forecast period (29 April
- 01 May).
III.  Event Probabilities 29 Apr-01 May
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green
IV.  Penticton 10.7 cm Flux
Observed           28 Apr 069
Predicted   29 Apr-01 May  070/070/070
90 Day Mean        28 Apr 070
V.  Geomagnetic A Indices
Observed Afr/Ap 27 Apr  003/004
Estimated Afr/Ap 28 Apr  002/003
Predicted Afr/Ap 29 Apr-01 May  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 29 Apr-01 May
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