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W7EES  > SWPC     15.09.20 00:40l 65 Lines 2305 Bytes #-2020 (0) @ WW
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Subj: Solar-Geophysical Activity
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>From w7ees%w7ees.or.usa.noam@n2nov.ampr.org Fri Sep 11 20:48:40 2020
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Joint USAF/NOAA Solar Geophysical Activity Report and Forecast
SDF Number 255 Issued at 2200Z on 11 Sep 2020

IA.  Analysis of Solar Active Regions and Activity from 10/2100Z to
11/2100Z: Solar activity has been at very low levels for the past 24
hours. There are currently 0 numbered sunspot regions on the disk.
IB.  Solar Activity Forecast: Solar activity is expected to be very low
on days one, two, and three (12 Sep, 13 Sep, 14 Sep).

IIA.  Geophysical Activity Summary 10/2100Z to 11/2100Z: The geomagnetic
field has been at quiet levels for the past 24 hours. Solar wind speed
reached a peak of 321 km/s at 11/1823Z. Total IMF reached 5 nT at
10/2304Z. The maximum southward component of Bz reached -4 nT at
11/1717Z.  Electrons greater than 2 MeV at geosynchronous orbit reached
a peak level of 4801 pfu.
IIB.  Geophysical Activity Forecast: The geomagnetic field is expected
to be at quiet levels on days one, two, and three (12 Sep, 13 Sep, 14
Sep).

III.  Event probabilities 12 Sep-14 Sep
Class M    01/01/01
Class X    01/01/01
Proton     01/01/01
PCAF       green

IV.  Penticton 10.7 cm Flux
Observed           11 Sep 069
Predicted   12 Sep-14 Sep 069/069/069
90 Day Mean        11 Sep 070

V.  Geomagnetic A Indices
Observed Afr/Ap 10 Sep  002/002
Estimated Afr/Ap 11 Sep  003/003
Predicted Afr/Ap 12 Sep-14 Sep  006/005-006/005-006/005

VI.  Geomagnetic Activity Probabilities 12 Sep-14 Sep
A.  Middle Latitudes
Active                05/05/05
Minor Storm           01/01/01
Major-severe storm    01/01/01
B.  High Latitudes
Active                15/15/15
Minor Storm           15/15/15
Major-severe storm    10/10/10

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