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Product: Daily Forecast of Geomagnetic Activity
Issued: 2020 January 18 06:20UTC
Prepared by the Athens Space Weather Forecasting Center
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1. Solar activity
Solar activity was decreasing stable during the past 24 hours.
Solar Flux (10.7 cm) measured on 17.01.2020 at 20:00 UTC was 70 sfu.
The background X-Ray flux is at the class < A1 level.
The geomagnetic field was at very quiet levels on January 17. 
No obviously Earth directed CMEs were observed in available LASCO imagery. 
A faint CME observed on 14/01/2020 10:00UT and the estimated time of arrival from EAMv2 model is 18/01/2020 15:29UT. The confidence that this CME will actually arrive on Earth is about 20%.
The Kp index now is at almost quiet levels with Kp=2.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 325 km/s.
Solar Wind speed from STEREO A: --- km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 2 nT north.

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

4. Coronal Holes
A small coronal hole was in Earth facing position on January 16-17. This area was very small and probably is not geoeffective.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels with a chance for active intervals in the case that the expected CME reach Earth and at very quiet levels on January 19-20.

   Date      Estimated Ap index      Expected geom. storm
2020.01.18           07                        -
2020.01.19           04                        -
2020.01.20           04                        -

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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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