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OK0NAG > SOLAR 31.01.08 23:31l 71 Lines 2785 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Thu, 31 Jan 2008 22:02:00 -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 Jan 31 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 031 Issued at 2200Z on 31 Jan 2008
IA. Analysis of Solar Active Regions and Activity from 30/2100Z
to 31/2100Z: Solar activity was very low.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 30/2100Z to 31/2100Z:
The geomagnetic field was quiet to active. Solar wind data from ACE
show a marked increase in velocity, density, magnetic field and
temperature. These observations are consistent with the onset of a
coronal hole high speed stream. The greater than 2 MeV electron
flux at geosynchronous orbit was at high levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be mostly unsettled with isolated active conditions due
to the influence of a recurrent coronal hole.
III. Event Probabilities 01 Feb-03 Feb
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 31 Jan 072
Predicted 01 Feb-03 Feb 075/075/075
90 Day Mean 31 Jan 074
V. Geomagnetic A Indices
Observed Afr/Ap 30 Jan 001/002
Estimated Afr/Ap 31 Jan 003/005
Predicted Afr/Ap 01 Feb-03 Feb 008/012-008/010-010/015
VI. Geomagnetic Activity Probabilities 01 Feb-03 Feb
A. Middle Latitudes
Active 15/15/15
Minor storm 10/10/10
Major-severe storm 01/01/01
B. High Latitudes
Active 20/20/25
Minor storm 15/15/20
Major-severe storm 05/05/05
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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