Joint USAF/NOAA Report of Solar and Geophysical Activity 28 Oct 2009

:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Oct 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 301 Issued at 2200Z on 28 Oct 2009
IA. Analysis of Solar Active Regions and Activity from 27/2100Z
to 28/2100Z: Solar activity was low. Region 1029 (N16W59) produced
several B-class events and a single C2.2 class flare at 28/0053Z.
IB. Solar Activity Forecast: Solar activity is expected to be low.
IIA. Geophysical Activity Summary 27/2100Z to 28/2100Z:
Geomagnetic field activity was quiet.
IIB. Geophysical Activity Forecast: Geomagnetic field activity is
expected to be quiet through the period (29 thru 31 October).
III. Event Probabilities 29 Oct-31 Oct
Class M 05/05/05
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 28 Oct 080
Predicted 29 Oct-31 Oct 080/078/075
90 Day Mean 28 Oct 071
V. Geomagnetic A Indices
Observed Afr/Ap 27 Oct 002/003
Estimated Afr/Ap 28 Oct 005/005
Predicted Afr/Ap 29 Oct-31 Oct 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 29 Oct-31 Oct
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