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Product: Daily Forecast of Geomagnetic Activity
Issued: 2016 January 22 06:45UTC
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 21.01.2016 at 20:00 UTC was 104 sfu.
The background X-Ray flux is at the class B2 level.
The geomagnetic field was at unsettled to major storm levels on January 21.
No obviously Earth directed CMEs were observed in available LASCO imagery.
The Kp index now is at active levels with Kp=4.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 495 km/s.
Solar Wind speed from STEREO A: 510 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component of Bz is: 3 nT north.

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 quiet to active levels on Jan 22-23 and at quiet to unsettled levels on Jan 24.

    Date         Estimated Geomagnetic Ap index
2016.01.22                    11
2016.01.23                    9
2016.01.24                    7

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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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