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OK0NAG > SOLAR 30.12.07 23:24l 70 Lines 2790 Bytes #999 (0) @ EU
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Date: Sun, 30 Dec 2007 22:02:13 -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: 2007 Dec 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 364 Issued at 2200Z on 30 Dec 2007
IA. Analysis of Solar Active Regions and Activity from 29/2100Z
to 30/2100Z: Solar activity was low due to a C1.7 flare observed at
30/2005Z. The most likely origin of the flare was a brightening on
the east limb near where old Region 978 (S08, L"3) is expected to
return.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low to low. An increasing chance of C-class activity is
expected through the forecast period (31 Dec 07 - 2 Jan 08).
IIA. Geophysical Activity Summary 29/2100Z to 30/2100Z:
The geomagnetic field was quiet. The greater than 2 MeV electrons at
geosynchronous orbit reached high levels again today.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to remain quiet.
III. Event Probabilities 31 Dec-02 Jan
Class M 01/05/05
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 30 Dec 075
Predicted 31 Dec-02 Jan 075/075/080
90 Day Mean 30 Dec 071
V. Geomagnetic A Indices
Observed Afr/Ap 29 Dec 002/002
Estimated Afr/Ap 30 Dec 005/005
Predicted Afr/Ap 31 Dec-02 Jan 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 31 Dec-02 Jan
A. Middle Latitudes
Active 10/10/10
Minor storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 10/10/10
Minor storm 05/05/05
Major-severe storm 01/01/00
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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