:Product: 0426RSGA.txt
:Issued: 2006 Apr 26 2204 UTC
# Prepared jointly by the U.S. Dept. of Commerce, NOAA,
# Space Environment Center and the U.S. Air Force.
#
Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 116 Issued at 2200Z on 26 Apr 2006
IA.  Analysis of Solar Active Regions and Activity from  25/2100Z
to 26/2100Z:  Solar activity reached moderate levels. Region 875
(S10E34) produced an M1/1f flare at 26/1702 UTC. This Region also
produced a C9/sf flare at 26/1453 UTC. New Region 877 (S07E52) was
numbered today.
IB.  Solar Activity Forecast:  Solar activity is expected to be low
to moderate. Further M-class activity is possible from Region 875.
IIA.  Geophysical Activity Summary 25/2100Z to 26/2100Z:
The geomagnetic field was quiet.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet.
III.  Event Probabilities 27 Apr-29 Apr
Class M    20/25/25
Class X    05/05/05
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           26 Apr 100
Predicted   27 Apr-29 Apr  100/100/100
90 Day Mean        26 Apr 080
V.  Geomagnetic A Indices
Observed Afr/Ap 25 Apr  001/005
Estimated Afr/Ap 26 Apr  003/005
Predicted Afr/Ap 27 Apr-29 Apr  003/005-003/005-003/005
VI.  Geomagnetic Activity Probabilities 27 Apr-29 Apr
A.  Middle Latitudes
Active                10/10/10
Minor storm           05/05/05
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/15
Minor storm           05/05/05
Major-severe storm    01/01/01