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OK0NAG > SOLAR 21.12.08 23:05l 71 Lines 2784 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Sun, 21 Dec 2008 22:01:49 -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 Dec 21 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 356 Issued at 2200Z on 21 Dec 2008
IA. Analysis of Solar Active Regions and Activity from 20/2100Z
to 21/2100Z: Solar activity was very low. The visible disk remained
spotless. Please note: the observed Penticton 10.7 cm flux of 69 is
estimated today.
IB. Solar Activity Forecast: Solar activity is expected to remain
at very low levels.
IIA. Geophysical Activity Summary 20/2100Z to 21/2100Z:
The geomagnetic field was at quiet levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet to unsettled on 22 - 23 December. A recurrent
coronal hole high speed stream is expected to rotate into a
geoeffective position on 22 December and affect the field through
the 23rd. Mostly quiet conditions are expected by 24 December.
III. Event Probabilities 22 Dec-24 Dec
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 21 Dec 069
Predicted 22 Dec-24 Dec 069/069/069
90 Day Mean 21 Dec 069
V. Geomagnetic A Indices
Observed Afr/Ap 20 Dec 002/002
Estimated Afr/Ap 21 Dec 002/005
Predicted Afr/Ap 22 Dec-24 Dec 010/010-008/008-005/005
VI. Geomagnetic Activity Probabilities 22 Dec-24 Dec
A. Middle Latitudes
Active 20/15/10
Minor storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 20/15/10
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:
mailto:pss.help@noaa.gov.
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