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OK0NAG > SOLAR 31.10.08 23:03l 73 Lines 2874 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Fri, 31 Oct 2008 22:01:10 -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 31 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 305 Issued at 2200Z on 31 Oct 2008
IA. Analysis of Solar Active Regions and Activity from 30/2100Z
to 31/2100Z: Solar activity was very low. No flares were observed.
New-cycle polarity Region 1007 (N34E04) was simply structured and
stable.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 30/2100Z to 31/2100Z:
Geomagnetic field activity was at quiet to unsettled levels. ACE
solar wind measurements indicated a subsiding recurrent coronal hole
high-speed stream. Solar wind velocities gradually decreased from
729 to 567 km/sec during the period. The greater than 2 MeV electron
flux at geosynchronous orbit reached high levels during the period.
IIB. Geophysical Activity Forecast: Geomagnetic field activity is
expected to be at mostly quiet levels through the period (01 - 03
November).
III. Event Probabilities 01 Nov-03 Nov
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 31 Oct 068
Predicted 01 Nov-03 Nov 069/069/069
90 Day Mean 31 Oct 067
V. Geomagnetic A Indices
Observed Afr/Ap 30 Oct 011/011
Estimated Afr/Ap 31 Oct 005/008
Predicted Afr/Ap 01 Nov-03 Nov 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 01 Nov-03 Nov
A. Middle Latitudes
Active 15/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 20/10/10
Minor storm 05/01/01
Major-severe storm 01/01/01
Thank you for using the Product Subscription Service. If you would like
to remove a product subscription or update the personal information in
your account, go to: https://pss.swpc.noaa.gov. For problems, contact:
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