:Product: 1220RSGA.txt
:Issued: 2010 Dec 20 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 354 Issued at 2200Z on 20 Dec 2010
IA.  Analysis of Solar Active Regions and Activity from  19/2100Z
to 20/2100Z:  Solar activity was very low.  The visible disk remained
spotless.
IB.  Solar Activity Forecast:  Solar activity is expected to be very
low for the next three days (21-23 December).
IIA.  Geophysical Activity Summary 19/2100Z to 20/2100Z:
The geomagnetic field was quiet to unsettled.
IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be quiet for the next three days (21-23 December).
III.  Event Probabilities 21 Dec-23 Dec
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green
IV.  Penticton 10.7 cm Flux
Observed           20 Dec 078
Predicted   21 Dec-23 Dec  078/078/076
90 Day Mean        20 Dec 083
V.  Geomagnetic A Indices
Observed Afr/Ap 19 Dec  002/001
Estimated Afr/Ap 20 Dec  007/007
Predicted Afr/Ap 21 Dec-23 Dec  005/005-005/005-005/005
VI.  Geomagnetic Activity Probabilities 21 Dec-23 Dec
A.  Middle Latitudes
Active                05/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                10/05/05
Minor storm           01/01/01
Major-severe storm    01/01/01