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OK0NAG > SOLAR 17.02.09 23:06l 71 Lines 2731 Bytes #999 (0) @ EU
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Date: Tue, 17 Feb 2009 22:02:23 -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: 2009 Feb 17 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 048 Issued at 2200Z on 17 Feb 2009
IA. Analysis of Solar Active Regions and Activity from 16/2100Z
to 17/2100Z: Solar activity was very low. No flares were observed
during the period. The visible disk remains spotless.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 16/2100Z to 17/2100Z:
The geomagnetic field was quiet. During the period, solar wind speed
steadily decreased from about 440 km/s to near 375 km/s. The
greater than 2 MeV electron flux at geosynchronous orbit was at high
levels again today.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to be at quiet levels for the next three days (18 - 20
February)
III. Event Probabilities 18 Feb-20 Feb
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 17 Feb 071
Predicted 18 Feb-20 Feb 070/070/070
90 Day Mean 17 Feb 069
V. Geomagnetic A Indices
Observed Afr/Ap 16 Feb 002/003
Estimated Afr/Ap 17 Feb 002/004
Predicted Afr/Ap 18 Feb-20 Feb 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 18 Feb-20 Feb
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 10/10/10
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:
mailto:pss.help@noaa.gov.
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