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Product: Daily Forecast of Geomagnetic Activity
Issued: 2018 July 03 05:06UTC
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 02.07.2018 at 20:00 UTC was 67 sfu.
The background X-Ray flux is at the class A2 level.
The geomagnetic field was at very quiet levels on July 2.
No obviously Earth directed CMEs were observed in available LASCO imagery.
The Kp index now is at very quiet levels with Kp=0.

2. Solar Wind Geomagnetic Activity
Solar Wind speed from ACE: 300 km/s.
Solar Wind speed from STEREO A: 350 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component Bz is: 0 nT.

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

4. Coronal Holes
A coronal hole (CH872) in the southern hemisphere of the visible solar disk was in Earth facing position on June 28-29.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at very quiet levels on July 3-5.

   Date      Estimated Ap index      Expected geom. storm
2018.07.03           01                        -
2018.07.04           01                        -
2018.07.05           02                        -

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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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