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OK0NAG > SOLAR 26.10.08 23:06l 75 Lines 2994 Bytes #999 (0) @ EU
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Date: Sun, 26 Oct 2008 22:02:10 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
X-asg-orig-subj: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2008 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 300 Issued at 2200Z on 26 Oct 2008
IA. Analysis of Solar Active Regions and Activity from 25/2100Z
to 26/2100Z: Solar activity was very low. The visible solar disk
remains spotless.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 25/2100Z to 26/2100Z:
The geomagnetic field was at quiet levels. Solar wind observations
from the ACE spacecraft show a steady increase in velocity from
around 290 km/s to 390 km/s between 26/0400Z to 26/0800Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be mostly quiet for 27 October. Quiet to unsettled
levels with isolated active conditions are expected for 28 October.
Predominately unsettled levels with isolated active periods, and
possible isolated minor storm conditions at high latitudes, are
forecast for 29 October. The increase in activity is due to a
recurrent coronal hole high speed stream rotating into a
geoeffective position.
III. Event Probabilities 27 Oct-29 Oct
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 26 Oct 067
Predicted 27 Oct-29 Oct 067/067/067
90 Day Mean 26 Oct 067
V. Geomagnetic A Indices
Observed Afr/Ap 25 Oct 001/001
Estimated Afr/Ap 26 Oct 002/005
Predicted Afr/Ap 27 Oct-29 Oct 005/005-007/008-010/012
VI. Geomagnetic Activity Probabilities 27 Oct-29 Oct
A. Middle Latitudes
Active 05/05/10
Minor storm 01/01/05
Major-severe storm 01/01/01
B. High Latitudes
Active 05/10/15
Minor storm 01/05/05
Major-severe storm 01/01/01
Thank you for using the Product Subscription Service. If you would like
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your account, go to: https://pss.swpc.noaa.gov. For problems, contact:
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