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OK0NAG > SOLAR 24.04.09 23:07l 72 Lines 2750 Bytes #999 (0) @ EU
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Date: Fri, 24 Apr 2009 22:01:52 -0000
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Subject: Report of Solar Geophysical Activity (RSGA)
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:Product: Report of Solar-Geophysical Activity
:Issued: 2009 Apr 24 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 114 Issued at 2200Z on 24 Apr 2009
IA. Analysis of Solar Active Regions and Activity from 23/2100Z
to 24/2100Z: Solar activity was very low. No flares were detected.
The visible disk was spotless.
IB. Solar Activity Forecast: Solar activity is expected to be very
low.
IIA. Geophysical Activity Summary 23/2100Z to 24/2100Z:
Geomagnetic field activity was at quiet levels. However, a sudden
impulse (SI) occurred at approximately 24/0050Z (10 nT, as measured
by the Boulder-NOAA magnetometer). There was no obvious source for
the SI.
IIB. Geophysical Activity Forecast: Geomagnetic field activity is
expected to be at quiet levels through the forecast period (25 - 27
Apr).
III. Event Probabilities 25 Apr-27 Apr
Class M 01/01/01
Class X 01/01/01
Proton 01/01/01
PCAF green
IV. Penticton 10.7 cm Flux
Observed 24 Apr 070
Predicted 25 Apr-27 Apr 070/070/070
90 Day Mean 24 Apr 070
V. Geomagnetic A Indices
Observed Afr/Ap 23 Apr 000/003
Estimated Afr/Ap 24 Apr 004/005
Predicted Afr/Ap 25 Apr-27 Apr 005/005-005/005-005/005
VI. Geomagnetic Activity Probabilities 25 Apr-27 Apr
A. Middle Latitudes
Active 05/05/05
Minor storm 01/01/01
Major-severe storm 01/01/01
B. High Latitudes
Active 10/05/05
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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