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OK0NAG > SOLAR 26.12.08 00:06l 72 Lines 2781 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Thu, 25 Dec 2008 22:01:45 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2008 Dec 25 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 360 Issued at 2200Z on 25 Dec 2008
IA. Analysis of Solar Active Regions and Activity from 24/2100Z
to 25/2100Z: Solar activity was very low. No flares were observed.
The visible disk was spotless.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z:
Geomagnetic field activity was at quiet levels. ACE solar wind data
indicated Earth remained within a gradually subsiding coronal hole
high-speed stream. Solar wind velocities gradually decreased from
519 to 430 km/sec during the period. IMF Bz was variable in the +03
to -04 nT range.
IIB. Geophysical Activity Forecast: Geomagnetic field activity is
expected to be at quiet levels during the forecast period (26 - 28
December).
III. Event Probabilities 26 Dec-28 Dec
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 25 Dec 069
Predicted 26 Dec-28 Dec 070/071/071
90 Day Mean 25 Dec 069
V. Geomagnetic A Indices
Observed Afr/Ap 24 Dec 005/005
Estimated Afr/Ap 25 Dec 003/005
Predicted Afr/Ap 26 Dec-28 Dec 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 26 Dec-28 Dec
A. Middle Latitudes
Active 05/01/01
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 10/05/01
Minor storm 01/01/01
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:
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