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OK0NAG > SOLAR 25.05.08 23:06l 73 Lines 2893 Bytes #999 (0) @ EU
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Subj: Report of Solar Geophysical Activity (RSGA)
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Date: Sun, 25 May 2008 22:01:40 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2008 May 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 146 Issued at 2200Z on 25 May 2008
IA. Analysis of Solar Active Regions and Activity from 24/2100Z
to 25/2100Z: Solar activity was at very low levels.
IB. Solar Activity Forecast: Solar activity is expected to remain
at very low levels.
IIA. Geophysical Activity Summary 24/2100Z to 25/2100Z:
The geomagnetic field was at quiet to unsettled levels. Wind speed
measured by the ACE spacecraft began the period at approximately 500
km/s. Since the beginning of the period wind speeds have been
declining, and ended the summary period at around 440 km/s. The
greater than 2 MeV electron flux at geosynchronous orbit reached
high levels again today.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to remain at quiet to unsettled levels, with a slight
chance of isolated active conditions at high latitudes for the
forecast period (26 to 28 May).
III. Event Probabilities 26 May-28 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 25 May 068
Predicted 26 May-28 May 068/068/068
90 Day Mean 25 May 071
V. Geomagnetic A Indices
Observed Afr/Ap 24 May 004/007
Estimated Afr/Ap 25 May 006/010
Predicted Afr/Ap 26 May-28 May 005/008-005/008-005/008
VI. Geomagnetic Activity Probabilities 26 May-28 May
A. Middle Latitudes
Active 15/15/15
Minor storm 05/05/05
Major-severe storm 01/01/01
B. High Latitudes
Active 20/20/20
Minor storm 05/05/05
Major-severe storm 01/01/01
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your account, go to: https://pss.swpc.noaa.gov. For problems, contact:
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