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OK0NAG > SOLAR 18.05.08 22:58l 70 Lines 2757 Bytes #999 (0) @ EU
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Date: Sun, 18 May 2008 22:01:41 -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 18 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 139 Issued at 2200Z on 18 May 2008
IA. Analysis of Solar Active Regions and Activity from 17/2100Z
to 18/2100Z: Solar activity was very low. Region 994 (S12W22)
increased in complexity briefly becoming a Cso Beta magnetic class.
IB. Solar Activity Forecast: Solar activity is expected to remain
very low. There is a slight chance of a C-class flare, particularly
from Region 994.
IIA. Geophysical Activity Summary 17/2100Z to 18/2100Z:
The geomagnetic field was quiet.
IIB. Geophysical Activity Forecast: The geomagnetic field is
expected to range from unsettled to active levels over the next
three days, with a chance for minor storm levels at high latitudes
as a recurrent coronal hole high speed stream becomes geoeffective.
III. Event Probabilities 19 May-21 May
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF Green
IV. Penticton 10.7 cm Flux
Observed 18 May 072
Predicted 19 May-21 May 072/072/072
90 Day Mean 18 May 071
V. Geomagnetic A Indices
Observed Afr/Ap 17 May 001/002
Estimated Afr/Ap 18 May 005/005
Predicted Afr/Ap 19 May-21 May 010/012-015/030-010/015
VI. Geomagnetic Activity Probabilities 19 May-21 May
A. Middle Latitudes
Active 20/25/20
Minor storm 10/15/10
Major-severe storm 01/09/01
B. High Latitudes
Active 25/45/30
Minor storm 15/25/15
Major-severe storm 01/10/05
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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