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Product: Daily Forecast of Geomagnetic Activity
Issued: 2019 June 19 04:49UTC
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 18.06.2019 at 20:00 UTC was 67 sfu.
The background X-Ray flux is at the class A6 level.
The geomagnetic field was at very quiet levels on June 18.
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: 320 km/s.
Solar Wind speed from STEREO A: 450 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 2 nT north.

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

4. Coronal Holes
A coronal hole (CH924) was in Earth facing position on June 13-15. A new coronal hole (CH925) was in Earth facing position on June 14-16.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at very quiet levels on June 19-21 with a chance for unsettled intervals on June 19.

   Date      Estimated Ap index      Expected geom. storm
2019.06.19           02                        -
2019.06.20           02                        -
2019.06.21           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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