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OK0NAG > SOLAR 21.02.08 00:31l 72 Lines 2843 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Wed, 20 Feb 2008 22:01:46 -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 20 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 051 Issued at 2200Z on 20 Feb 2008
IA. Analysis of Solar Active Regions and Activity from 19/2100Z
to 20/2100Z: 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 19/2100Z to 20/2100Z:
The geomagnetic field was at mostly quiet to unsettled levels. Solar
wind speed at the ACE spacecraft began the period at around 600
km/s, and ended the period at approximately 500 km/s.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be at mostly quiet to unsettled levels, with isolated
active conditions possible on day one (21 February). On days two
and three (22 - 23 February) activity levels are expected to decline
to predominately quiet levels.
III. Event Probabilities 21 Feb-23 Feb
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 20 Feb 071
Predicted 21 Feb-23 Feb 070/070/070
90 Day Mean 20 Feb 075
V. Geomagnetic A Indices
Observed Afr/Ap 19 Feb 010/012
Estimated Afr/Ap 20 Feb 008/008
Predicted Afr/Ap 21 Feb-23 Feb 008/008-005/005-005/005
VI. Geomagnetic Activity Probabilities 21 Feb-23 Feb
A. Middle Latitudes
Active 10/05/05
Minor storm 05/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 20/10/10
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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