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Product: Daily Forecast of Geomagnetic Activity
Issued: 2018 January 25 05:16UTC
Prepared by the Athens Space Weather Forecasting Center
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1. Solar activity
Solar activity was increasing during the past 24 hours.
Solar Flux (10.7 cm) measured on 24.01.2018 at 20:00 UTC was 70 sfu.
The background X-Ray flux is at the class A2 level.
The geomagnetic field was at very quiet to active levels on January 24.
No obviously Earth directed CMEs were observed in available LASCO imagery.
The Kp index now is at unsettled levels with Kp=3.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 410 km/s.
Solar Wind speed from STEREO A: 600 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 6 nT south.

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

4. Coronal Holes
A new coronal hole (CH849) will be in Earth facing position on January 24-25.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on January 25-26 and at quiet levels on January 27.

   Date      Estimated Ap index      Expected geom. storm
2018.01.25           06                        -
2018.01.26           05                        -
2018.01.27           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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