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Product: Daily Forecast of Geomagnetic Activity
Issued: 2019 June 07 04:25UTC
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 06.06.2019 at 20:00 UTC was 69 sfu.
The background X-Ray flux is at the class A7 level.
The geomagnetic field was at very quiet levels on June 6.
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: 295 km/s.
Solar Wind speed from STEREO A: 380 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 2 nT south.

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

4. Coronal Holes
A new equatorial coronal hole (CH922) on the visible solar disk was in Earth facing position on June 05.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at very quiet levels on June 7 and at quiet to unsettled levels on June 8-9 due to weak effects from CH922.

   Date      Estimated Ap index      Expected geom. storm
2019.06.07           02                        -
2019.06.08           04                        -
2019.06.09           05                        -

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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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