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OK0NAG > SOLAR 30.12.07 23:18l 72 Lines 2785 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Sat, 22 Dec 2007 22:02:15 -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 22 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 22 Dec 2007
IA. Analysis of Solar Active Regions and Activity from 21/2100Z
to 22/2100Z: Solar activity was very low. The visible disk remains
spotless.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 21/2100Z to 22/2100Z:
The geomagnetic field was quiet to unsettled. Observations at ACE
showed solar wind velocities varied between 571-652 km/sec through
the forecast period. The greater than 2 MeV electron flux at
geosynchronous orbit remained at high levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be quiet to unsettled for the next three days (23-25
December). Isolated active conditions are possible at high
latitudes on 23 December.
III. Event Probabilities 23 Dec-25 Dec
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 22 Dec 072
Predicted 23 Dec-25 Dec 070/070/070
90 Day Mean 22 Dec 071
V. Geomagnetic A Indices
Observed Afr/Ap 21 Dec 009/011
Estimated Afr/Ap 22 Dec 007/010
Predicted Afr/Ap 23 Dec-25 Dec 006/008-005/005-005/005
VI. Geomagnetic Activity Probabilities 23 Dec-25 Dec
A. Middle Latitudes
Active 15/15/15
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 20/15/15
Minor storm 05/05/05
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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