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Product: Daily Forecast of Geomagnetic Activity
Issued: 2021 January 11 05:30UTC
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 10.01.2021 at 20:00 UTC was 73 sfu.
The background X-Ray flux is at the class A0.0 level.
The geomagnetic field was at very quiet levels on January 10.
No obviously Earth directed CMEs were observed in available LASCO imagery of Jan. 10.
The Kp index now is at quiet levels with Kp=1.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 285 km/s.
Solar Wind speed from STEREO A: 305 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 1 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 Jan. 11-13 with a chance for unsettled intervals on Jan. 11.

   Date      Estimated Ap index      Expected geom. storm
2021.01.11           03                        -
2021.01.12           02                        -
2021.01.13           01                        -

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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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