Report of Solar-Geophysical Activity

Report of Solar-Geophysical Activity
Issued: 2007 Dec 06 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 340 Issued at 2200Z on 06 Dec 2007

IA. Analysis of Solar Active Regions and Activity from 05/2100Z
to 06/2100Z: Solar activity was very low. Region 978 in approximate
position S09E68 was designated today and classified as a Dso type
spot group.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low though there is a slight chance for an isolated C-class
flare from Region 978.
IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z:
The geomagnetic field was at quiet levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to remain at quiet levels for the forecast period (07 - 09
December).
III. Event Probabilities 07 Dec-09 Dec
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 06 Dec 078
Predicted 07 Dec-09 Dec 075/075/075
90 Day Mean 06 Dec 068
V. Geomagnetic A Indices
Observed Afr/Ap 05 Dec 001/002
Estimated Afr/Ap 06 Dec 005/005
Predicted Afr/Ap 07 Dec-09 Dec 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 07 Dec-09 Dec
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 10/10/10
Minor storm 01/01/01
Major-severe storm 01/01/01

For current space weather conditions please refer to:

http://www.sec.noaa.gov/SWN/

http://www.sec.noaa.gov/alerts/

NOAA Space Weather Scale descriptions can be found at www.sec.noaa.gov/NOAAscales