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Product: Daily Forecast of Geomagnetic Activity
Issued: 2016 January 29 08:09UTC
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 28.01.2016 at 20:00 UTC was 110 sfu.
The background X-Ray flux is at the class B3 level.
The geomagnetic field was at quiet levels on January 28.
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: 310 km/s.
Solar Wind speed from STEREO A: 450 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component of Bz is: 0 nT.

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

4. Coronal Holes
A recurrent northern hemisphere coronal hole (CH711) was in an Earth facing position on January 25-26. CH711 may be too far to the north to become geoeffective. A southern hemisphere coronal hole (CH712) could rotate across the central meridian on January 31.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet levels on Jan. 29-31.

    Date         Estimated Geomagnetic Ap index
2016.01.29                    3
2016.01.30                    4
2016.01.31                    4

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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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