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Product: Daily Forecast of Geomagnetic Activity
Issued: 2016 April 01 07:14UTC
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 31.03.2016 at 20:00 UTC was 82 sfu.
The background X-Ray flux is at the class A7 level.
The geomagnetic field was at quiet to unsettled levels on March 31.
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: 400 km/s.
Solar Wind speed from STEREO A: 500 km/s.
Solar Wind speed from STEREO B: --- km/s.
The southward component of Bz is: 1 nT north.

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

4. Coronal Holes
A recurrent and decaying trans equatorial coronal hole (CH725) was in an Earth facing position on March 28-29. A northern hemisphere coronal hole (CH726) will likely rotate across the central meridian on March 30 - April 1.

5. Geophysical Activity Forecast
The geomagnetic field is expected to be at quiet to unsettled levels on Apr. 1 and 3 and quiet to active levels on Apr. 2.

    Date         Estimated Geomagnetic Ap index
2016.04.01                    9
2016.04.02                    19
2016.04.03                    12

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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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