Joint USAF/NOAA Report of Solar and Geophysical Activity 26 Oct 2009
:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Oct 26 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 299 Issued at 2200Z on 26 Oct 2009
IA. Analysis of Solar Active Regions and Activity from 25/2100Z
to 26/2100Z: Solar activity was low. A C1 flare was observed at
26/1906Z from Region 1029 (N16W29).
IB. Solar Activity Forecast: Solar activity is expected to be low
with a slight chance of an M-class flare.
IIA. Geophysical Activity Summary 25/2100Z to 26/2100Z:
Geomagnetic field activity was quiet.
IIB. Geophysical Activity Forecast: Geomagnetic activity is
expected to be quiet.
III. Event Probabilities 27 Oct-29 Oct
Class M 05/05/05
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 26 Oct 081
Predicted 27 Oct-29 Oct 075/075/075
90 Day Mean 26 Oct 069
V. Geomagnetic A Indices
Observed Afr/Ap 25 Oct 003/005
Estimated Afr/Ap 26 Oct 005/005
Predicted Afr/Ap 27 Oct-29 Oct 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 27 Oct-29 Oct
A. Middle Latitudes
Active 10/05/05
Minor storm 01/01/01
Major-severe storm 00/00/00
B. High Latitudes
Active 10/05/05
Minor storm 01/01/01
Major-severe storm 00/00/00