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OK0NAG > SOLAR 13.03.08 00:30l 74 Lines 2908 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Wed, 12 Mar 2008 22:02:08 -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 Mar 12 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 072 Issued at 2200Z on 12 Mar 2008
IA. Analysis of Solar Active Regions and Activity from 11/2100Z
to 12/2100Z: Solar activity was very low. The visible solar disk
was spotless.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low.
IIA. Geophysical Activity Summary 11/2100Z to 12/2100Z:
The geomagnetic field was quiet to active under the continued
influence of a recurrent coronal hole high speed stream. Solar wind
speed at ACE occasionally reached 700 km/s during the 24 hour
period. The greater than 2 MeV electrons at geosynchronous orbit
remained at high levels.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to remain at unsettled to occasionally active levels, with
a chance for minor storms at high latitudes, during days 1 and 2
(13-14 March), Day 3 (15 Mar) is expected to be mostly quiet as the
high speed stream wanes.
III. Event Probabilities 13 Mar-15 Mar
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 12 Mar 069
Predicted 13 Mar-15 Mar 070/070/070
90 Day Mean 12 Mar 073
V. Geomagnetic A Indices
Observed Afr/Ap 11 Mar 007/012
Estimated Afr/Ap 12 Mar 010/012
Predicted Afr/Ap 13 Mar-15 Mar 008/010-008/008-005/005
VI. Geomagnetic Activity Probabilities 13 Mar-15 Mar
A. Middle Latitudes
Active 25/25/10
Minor storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 40/30/10
Minor storm 10/10/05
Major-severe storm 04/04/01
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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