Joint USAF/NOAA Report of Solar and Geophysical Activity 28 Jan 2010

:Product: Report of Solar-Geophysical Activity
:Issued: 2010 Jan 28 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 028 Issued at 2200Z on 28 Jan 2010
IA. Analysis of Solar Active Regions and Activity from 27/2100Z
to 28/2100Z: Solar activity was very low. Region 1041 (S26W32) was
mostly quiet and stable producing only a few B-class flares,the
largest a B4.0 at 28/0649Z.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low for the next three days (29-31 January) with
only a slight chance for a C-class flare from Region 1041.
IIA. Geophysical Activity Summary 27/2100Z to 28/2100Z:
The geomagnetic field has been quiet for the past 24 hours.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet for the next three days (29-31 January).
III. Event Probabilities 29 Jan-31 Jan
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 28 Jan 076
Predicted 29 Jan-31 Jan 076/076/076
90 Day Mean 28 Jan 077
V. Geomagnetic A Indices
Observed Afr/Ap 27 Jan 000/002
Estimated Afr/Ap 28 Jan 001/004
Predicted Afr/Ap 29 Jan-31 Jan 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 29 Jan-31 Jan
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