Joint USAF/NOAA Report of Solar and Geophysical Activity 6 December 2011

:Product: Report of Solar-Geophysical Activity
:Issued: 2011 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 2011
IA. Analysis of Solar Active Regions and Activity from 05/2100Z
to 06/2100Z: Solar activity was low. Region 1363 (S22W20) produced
the sole C-class event, a C6 x-ray flare at 05/2325Z.
IB. Solar Activity Forecast: Solar activity is expected to be low
for the next 3 days (7-9 December).
IIA. Geophysical Activity Summary 05/2100Z to 06/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be mostly quiet for the next 3 days (7-9 December).
III. Event Probabilities 07 Dec-09 Dec
Class M 20/20/20
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 06 Dec 151
Predicted 07 Dec-09 Dec 150/150/160
90 Day Mean 06 Dec 145
V. Geomagnetic A Indices
Observed Afr/Ap 05 Dec 004/002
Estimated Afr/Ap 06 Dec 005/005
Predicted Afr/Ap 07 Dec-09 Dec 006/005-006/005-006/005
VI. Geomagnetic Activity Probabilities 07 Dec-09 Dec
A. Middle Latitudes
Active 10/10/10
Minor storm 04/04/04
Major-severe storm 01/01/01
B. High Latitudes
Active 14/14/14
Minor storm 17/17/17
Major-severe storm 15/15/15