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Product: Daily Forecast of Geomagnetic Activity
Issued: 2021 June 14 04:48UTC
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 13.06.2021 at 20:00 UTC was 69 sfu.
The background X-Ray flux is at the class A6.2 level.
The geomagnetic field was at quiet to unsettled levels on June 13.
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: 420 km/s.
Solar Wind speed from STEREO A: --- 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
An extension of the southern polar coronal hole (CH1016) was in Earth facing position on June 12-13.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at very quiet levels on June 14-15 and at quiet to active levels on June 16 due to CH1016.

   Date      Estimated Ap index      Expected geom. storm
2021.06.14           03                        -
2021.06.15           03                        -
2021.06.16           10                        -

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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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