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Product: Daily Forecast of Geomagnetic Activity
Issued: 2018 September 02 05:33UTC
Prepared by the Athens Space Weather Forecasting Center
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1. Solar activity
Solar activity was almost stable during the past 24 hours.
Solar Flux (10.7 cm) measured on 01.09.2018 at 20:00 UTC was A3 sfu.
The background X-Ray flux is at the class 68 level.
The geomagnetic field was at very quiet levels on September 1.
No obviously Earth directed CMEs were observed in available LASCO imagery.
The Kp index now is at almost quiet levels with Kp=2.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 335 km/s.
Solar Wind speed from STEREO A: 345 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 0 nT.

3. Solar Energetic Particle Events
Protons and electrons are quiet.

4. Coronal Holes
A new equatorial coronal hole (CH823) will be in Earth facing position on September 5-6.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on September 2, at quiet levels with a chance for unsettled intrvals on September 3 and at quiet levels on September 4.

   Date      Estimated Ap index      Expected geom. storm
2018.09.02           05                        -
2018.09.03           07                        -
2018.09.04           05                        -

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Athens Space Weather Forecasting Center
Physics Department, National & Kapodistrian University of Athens
Athens Neutron Monitor Station A.NE.MO.S
Tel.: +30 210 727 6901
email: spaceweather@phys.uoa.gr
URL: http://spaceweather.phys.uoa.gr
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