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Prepared jointly by the U.S. Dept. of Commerce, NOAA,
Space Weather Prediction Center and the U.S. Air Force.
Updated 2009 Jan 13 2201 UTC

Joint USAF/NOAA Report of Solar and Geophysical Activity
SDF Number 013 Issued at 2200Z on 13 Jan 2009

IA.  Analysis of Solar Active Regions and Activity from  12/2100Z
to 13/2100Z:  Solar activity was very low. The only region on the
visible disk is Region 1010 (N18W20) which has been quiet as it
experienced slow decay.

IB.  Solar Activity Forecast:  Solar activity is expected to be very
low. There is a slight chance for a C-class flare from Region 1010.

IIA.  Geophysical Activity Summary 12/2100Z to 13/2100Z:
The geomagnetic field was quiet.

IIB.  Geophysical Activity Forecast:  The geomagnetic field is
expected to be predominately quiet for the next three days (14 - 16
January).

III.  Event Probabilities 14 Jan-16 Jan
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       Green

IV.  Penticton 10.7 cm Flux
Observed           13 Jan 071
Predicted   14 Jan-16 Jan  070/070/070
90 Day Mean        13 Jan 069

V.  Geomagnetic A Indices
Observed Afr/Ap 12 Jan  000/000
Estimated Afr/Ap 13 Jan  005/005
Predicted Afr/Ap 14 Jan-16 Jan  005/005-005/005-005/005

VI.  Geomagnetic Activity Probabilities 14 Jan-16 Jan
A.  Middle Latitudes
Active                01/01/01
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