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Product: Daily Forecast of Geomagnetic Activity
Issued: 2019 September 12 06:28UTC
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 11.09.2019 at 20:00 UTC was 68 sfu.
The background X-Ray flux is at the class A7 level.
The geomagnetic field was at quiet levels on September 11.
No obviously Earth directed CMEs were observed in available LASCO imagery. 
The Kp index now is at quiet levels with Kp=1.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 410 km/s.
Solar Wind speed from STEREO A: 290 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 2 nT south.

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

4. Coronal Holes
No obvious coronal holes are currently in the visible solar disk.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at very quiet levels on September 12-15.

   Date      Estimated Ap index      Expected geom. storm
2019.09.12           03                        -
2019.09.13           02                        -
2019.09.14           02                        -

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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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