:Product: 0131RSGA.txt
:Issued: 2010 Jan 31 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 031 Issued at 2200Z on 31 Jan 2010
IA.  Analysis of Solar Active Regions and Activity from  30/2100Z
to 31/2100Z:  Solar activity was very low.  Region 1041 (S27E24) is
spotless today.  Region 1043 (N25E24) is a D-type spot group with a
beta magnetic classification.  This region has produced several
low-level B-type flares during the last 24 hours.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low to low with a chance for a C-flare from Region 1043.
IIA.  Geophysical Activity Summary 30/2100Z to 31/2100Z:
The geomagnetic field was quiet.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet for the next three days (01-03 January).
III.  Event Probabilities 01 Feb-03 Feb
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green
IV.  Penticton 10.7 cm Flux
Observed           31 Jan 075
Predicted   01 Feb-03 Feb  076/078/080
90 Day Mean        31 Jan 077
V.  Geomagnetic A Indices
Observed Afr/Ap 30 Jan  003/004
Estimated Afr/Ap 31 Jan  003/004
Predicted Afr/Ap 01 Feb-03 Feb  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 01 Feb-03 Feb
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