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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Sat, 16 Feb 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 Feb 16 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 047 Issued at 2200Z on 16 Feb 2008
IA. Analysis of Solar Active Regions and Activity from 15/2100Z
to 16/2100Z: Solar activity was at very low levels. The visible
solar disk remained spotless.
IB. Solar Activity Forecast: Solar activity is expected to remain
at very low levels.
IIA. Geophysical Activity Summary 15/2100Z to 16/2100Z:
The geomagnetic field was at quiet to unsettled levels, due to the
continued influence of a coronal hole high speed stream. Wind speed
at the ACE spacecraft began the period at approximately 650 km/s, by
the end of the summary period it had to declined to around 550 km/s.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be at quiet to unsettled levels, as the coronal hole
high speed stream rotates out of a geoeffective position.
III. Event Probabilities 17 Feb-19 Feb
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 16 Feb 070
Predicted 17 Feb-19 Feb 070/070/070
90 Day Mean 16 Feb 075
V. Geomagnetic A Indices
Observed Afr/Ap 15 Feb 008/010
Estimated Afr/Ap 16 Feb 008/010
Predicted Afr/Ap 17 Feb-19 Feb 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 17 Feb-19 Feb
A. Middle Latitudes
Active 30/15/15
Minor storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 30/10/10
Minor storm 10/05/05
Major-severe storm 05/01/01
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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