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OK0NAG > SOLAR 31.10.08 00:04l 74 Lines 3017 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Thread-topic: Report of Solar Geophysical Activity (RSGA)
Date: Thu, 30 Oct 2008 22:02:06 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2008 Oct 30 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 304 Issued at 2200Z on 30 Oct 2008
IA. Analysis of Solar Active Regions and Activity from 29/2100Z
to 30/2100Z: Solar activity was very low. No flares were observed.
New-cycle polarity Region 1007 (N35E15) was numbered today.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 29/2100Z to 30/2100Z:
Geomagnetic field activity was at quiet to active levels. ACE solar
wind measurements indicated Earth remained within a recurrent
coronal hole high-speed stream. Solar wind velocities ranged from
632 to 723 km/sec during the period. IMF Bz varied from 06 to -05 nT
during the period. The greater than 2 MeV electron flux at
geosynchronous orbit increased to high levels at 30/1605Z.
IIB. Geophysical Activity Forecast: Geomagnetic field activity is
expected to be at quiet to unsettled levels on day 1 (31 October)
with a chance for active levels at high latitudes. Mostly quiet
levels are expected during days 2 - 3 (01 - 02 November).
III. Event Probabilities 31 Oct-02 Nov
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 30 Oct 067
Predicted 31 Oct-02 Nov 068/069/069
90 Day Mean 30 Oct 067
V. Geomagnetic A Indices
Observed Afr/Ap 29 Oct 016/011
Estimated Afr/Ap 30 Oct 013/010
Predicted Afr/Ap 31 Oct-02 Nov 008/008-005/005-005/005
VI. Geomagnetic Activity Probabilities 31 Oct-02 Nov
A. Middle Latitudes
Active 20/15/05
Minor storm 10/05/01
Major-severe storm 01/01/01
B. High Latitudes
Active 25/20/10
Minor storm 15/05/01
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:
mailto:pss.help@noaa.gov.
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